> ## Documentation Index
> Fetch the complete documentation index at: https://docs.storehouses.app/llms.txt
> Use this file to discover all available pages before exploring further.

# Gemstones

> Complete guide to tracking loose gemstones with 4Cs, certifications, and professional grading in Storehouses

## Overview

Track your loose gemstone collection with detailed fields for the 4Cs (Carat, Cut, Color, Clarity), certifications, treatments, and professional grading. Perfect for gem collectors, investors, and jewelers managing unmounted stones.

<Note>
  This category is for **loose, unmounted gemstones**. For gems set in jewelry, use the [Fine Jewelry category](/asset-types/jewelry).
</Note>

## Adding a Gemstone

<Steps>
  <Step title="Navigate to Add Item">
    Click "Add Item" from your dashboard or go to [storehouses.app/add](https://storehouses.app/add)
  </Step>

  <Step title="Select Gemstones">
    Choose "Gemstones (Gems)" as the category
  </Step>

  <Step title="Enter Gem Details">
    Fill in the 4Cs, gem type, and specifications
  </Step>

  <Step title="Add Certification">
    Include certificate number and grading organization
  </Step>

  <Step title="Upload Documentation">
    Add photos of gem and certification documents
  </Step>

  <Step title="Save">
    Click "Save Item" to add to your collection
  </Step>
</Steps>

## The 4Cs of Gemstones

The four most important factors in gemstone valuation:

<CardGroup cols={2}>
  <Card title="Carat Weight" icon="weight-scale">
    The weight of the gemstone measured in carats

    * 1 carat = 0.2 grams = 200 milligrams
    * Heavier stones are exponentially more valuable
  </Card>

  <Card title="Cut" icon="gem">
    The quality and style of how the stone is faceted

    * Affects brilliance and appearance
    * Cut grade and shape
  </Card>

  <Card title="Color" icon="palette">
    The hue, tone, and saturation of the gemstone

    * Most critical factor for colored stones
    * Graded on letter or descriptive scales
  </Card>

  <Card title="Clarity" icon="eye">
    The presence of internal inclusions or external blemishes

    * Flawless to Included grading scale
    * Affects transparency and value
  </Card>
</CardGroup>

## Gemstone Fields

### Stone Identification

<ParamField path="gem_type" type="string" required>
  Type of gemstone

  **Precious stones:**

  * Diamond
  * Ruby
  * Sapphire
  * Emerald

  **Semi-precious stones:**

  * Amethyst
  * Aquamarine
  * Citrine
  * Garnet
  * Opal
  * Peridot
  * Tanzanite
  * Topaz
  * Tourmaline
  * Turquoise
  * And many more

  <Tip>
    Use the specific variety name (e.g., "Blue Sapphire" not just "Sapphire")
  </Tip>
</ParamField>

<ParamField path="variety" type="string">
  Specific variety or trade name

  **Examples:**

  * Padparadscha (for pink-orange sapphire)
  * Paraíba (for neon blue-green tourmaline)
  * Kashmir (for premium sapphire origin)
  * Pigeon's Blood (for finest red ruby)
  * Mozambique Ruby
  * Colombian Emerald
</ParamField>

### The 4Cs in Detail

<ParamField path="carat_weight" type="number" required>
  Weight in carats

  **Examples:**

  * 0.50 (half carat)
  * 1.00 (one carat)
  * 2.75 (two and three-quarter carats)
  * 5.00 (five carats)

  **Conversion:**

  * 1 carat = 0.2 grams
  * 1 carat = 200 milligrams
  * 5 carats = 1 gram

  <Note>
    Larger stones are exponentially more valuable per carat
  </Note>
</ParamField>

<ParamField path="cut" type="string">
  Cut grade and/or shape

  **Cut grades (for diamonds):**

  * Excellent
  * Very Good
  * Good
  * Fair
  * Poor

  **Common shapes:**

  * Round Brilliant
  * Princess
  * Cushion
  * Emerald Cut
  * Oval
  * Pear
  * Marquise
  * Asscher
  * Radiant
  * Heart

  **Example entries:**

  * "Excellent Round Brilliant"
  * "Princess Cut"
  * "Cushion Modified Brilliant"
  * "Oval Mixed Cut"
</ParamField>

<ParamField path="color" type="string">
  Color grade or description

  **For diamonds (colorless scale):**

  * D-E-F: Colorless
  * G-H-I-J: Near Colorless
  * K-L-M: Faint Color
  * N-R: Very Light Color
  * S-Z: Light Color

  **For colored stones:**

  * Describe hue, tone, saturation
  * Examples: "Vivid Blue", "Deep Red", "Medium Green"
  * Use GIA color descriptors when available

  **For fancy colored diamonds:**

  * Fancy Light, Fancy, Fancy Intense, Fancy Vivid, Fancy Deep
  * Include hue: "Fancy Vivid Yellow", "Fancy Intense Blue"
</ParamField>

<ParamField path="clarity" type="string">
  Clarity grade

  **GIA clarity scale (most common):**

  * **FL** - Flawless
  * **IF** - Internally Flawless
  * **VVS1, VVS2** - Very Very Slightly Included
  * **VS1, VS2** - Very Slightly Included
  * **SI1, SI2** - Slightly Included
  * **I1, I2, I3** - Included

  **Type classifications:**

  * Type I: Eye-clean clarity expected (aquamarine, citrine)
  * Type II: Typically included (ruby, sapphire, garnet)
  * Type III: Almost always included (emerald, tourmaline)

  <Note>
    Clarity expectations vary by gem type. Emeralds are typically included.
  </Note>
</ParamField>

### Certification and Grading

<ParamField path="certification" type="string">
  Grading laboratory or certification body

  **Major laboratories:**

  * **GIA** - Gemological Institute of America (most recognized)
  * **AGS** - American Gem Society
  * **IGI** - International Gemological Institute
  * **EGL** - European Gemological Laboratory
  * **HRD** - Hoge Raad voor Diamant (Antwerp)
  * **AGL** - American Gemological Laboratories (colored stones)
  * **GRS** - GemResearch Swisslab (colored stones)
  * **Gübelin** - Gübelin Gem Lab (prestigious for colored stones)
  * **SSEF** - Swiss Gemmological Institute

  <Tip>
    GIA, Gübelin, and SSEF are considered the most stringent and respected
  </Tip>
</ParamField>

<ParamField path="certificate_number" type="string">
  Certificate or report number

  **Examples:**

  * GIA: 2185438976
  * AGS: 104091654012
  * IGI: J2Y83847

  **Use:** Verify authenticity online through lab's database

  <Note>
    Keep certificate number private - it can be used to verify your stone's authenticity
  </Note>
</ParamField>

<ParamField path="certificate_date" type="date">
  Date the certificate was issued

  **Use:**

  * Track age of certification
  * May need re-certification for insurance
  * Some certifications expire after time
</ParamField>

### Treatment and Origin

<ParamField path="treatment" type="string">
  Any treatments or enhancements applied

  **Common treatments:**

  * **None/Natural** - No treatment (most valuable)
  * **Heat** - Heat treatment (common for sapphires, rubies)
  * **Oil** - Oil/resin filling (standard for emeralds)
  * **Irradiation** - Radiation treatment (topaz, some diamonds)
  * **Fracture Filling** - Glass/resin filling of fractures
  * **HPHT** - High Pressure High Temperature (diamonds)
  * **Diffusion** - Surface or bulk diffusion treatment
  * **Coating** - Surface coating for color
  * **Synthetic** - Lab-created/manufactured

  <Warning>
    Undisclosed treatments can significantly affect value. Always document treatments.
  </Warning>
</ParamField>

<ParamField path="origin" type="string">
  Geographic origin of the gemstone

  **Notable origins:**

  * **Colombian Emeralds** - Most prized
  * **Kashmir Sapphires** - Legendary blue sapphires
  * **Burma (Myanmar) Rubies** - "Pigeon's blood" rubies
  * **Mozambique Rubies** - Fine quality rubies
  * **Sri Lankan Sapphires** - Various colors
  * **Madagascar** - Various gems
  * **Brazilian** - Various gems, Paraíba tourmaline
  * **African** - Various origins

  <Note>
    Origin can significantly affect value. Top labs include origin on certificates.
  </Note>
</ParamField>

## Gemstone Types

### Precious Stones (The "Big Four")

<AccordionGroup>
  <Accordion title="Diamond" icon="gem">
    **Characteristics:**

    * Hardest natural material (Mohs 10)
    * High refractive index and dispersion
    * Various colors (colorless, yellow, brown, pink, blue, etc.)

    **Grading focus:**

    * Cut quality critical for brilliance
    * Color: D (colorless) to Z (light yellow/brown)
    * Clarity: FL to I3
    * Carat weight

    **Price factors:**

    * Cut quality (biggest impact on beauty)
    * Color (colorless more valuable)
    * Clarity (eye-clean SI1-SI2 good value)
    * Fancy colors can be extremely valuable
  </Accordion>

  <Accordion title="Ruby" icon="heart">
    **Characteristics:**

    * Red variety of corundum (Mohs 9)
    * Color from chromium
    * "Pigeon's Blood" red most prized

    **Origins:**

    * Burma (Myanmar): Most prestigious
    * Mozambique: Excellent quality
    * Thailand, Sri Lanka, Madagascar

    **Treatments:**

    * Heat treatment very common and accepted
    * Unheated rubies command premium

    **Clarity:**

    * Type II stone (inclusions expected)
    * Eye-clean very valuable
    * Silk inclusions can create star effect
  </Accordion>

  <Accordion title="Sapphire" icon="shield">
    **Characteristics:**

    * All colors of corundum except red (Mohs 9)
    * Blue most popular, but many colors exist
    * Can show asterism (star sapphires)

    **Colors:**

    * Blue: Most common and valuable
    * Pink, yellow, orange, green, purple
    * Padparadscha: Pink-orange (very rare)
    * White/colorless: Diamond alternative

    **Origins:**

    * Kashmir: Legendary (very rare)
    * Burma: Fine quality
    * Sri Lanka: Various colors
    * Madagascar, Australia, Montana

    **Treatments:**

    * Heat treatment very common
    * Unheated Kashmir sapphires most valuable
  </Accordion>

  <Accordion title="Emerald" icon="clover">
    **Characteristics:**

    * Green variety of beryl (Mohs 7.5-8)
    * Color from chromium and/or vanadium
    * Almost always included ("jardin")

    **Origins:**

    * Colombia: Most prized (Muzo, Chivor)
    * Zambia: Good quality, slightly bluish
    * Brazil, Afghanistan, others

    **Treatments:**

    * Oil/resin filling standard and accepted
    * "Minor" oil treatment most desirable
    * Untreated emeralds extremely rare

    **Clarity:**

    * Type III (almost always included)
    * Visible inclusions expected and accepted
    * Eye-clean emeralds very valuable
  </Accordion>
</AccordionGroup>

### Popular Semi-Precious Stones

<AccordionGroup>
  <Accordion title="Tanzanite" icon="gem">
    * Blue-violet variety of zoisite
    * Only found in Tanzania
    * Heat treated to develop blue color
    * Mohs 6.5-7 (requires careful wear)
    * Larger sizes more valuable per carat
  </Accordion>

  <Accordion title="Aquamarine" icon="droplet">
    * Blue variety of beryl
    * Mohs 7.5-8 (durable)
    * Usually eye-clean (Type I)
    * Heat treatment common
    * Larger stones available at reasonable prices
  </Accordion>

  <Accordion title="Tourmaline" icon="rainbow">
    * Many colors available
    * Paraíba (neon blue-green) most valuable
    * Pink, green, watermelon popular
    * Mohs 7-7.5
    * Generally eye-clean
  </Accordion>

  <Accordion title="Spinel" icon="star">
    * Often confused with ruby/sapphire historically
    * Many colors (red, pink, blue, orange)
    * Mohs 8 (very durable)
    * No treatments typically
    * Increasing in value and recognition
  </Accordion>

  <Accordion title="Topaz" icon="sun">
    * Colorless, blue, pink, yellow varieties
    * Imperial topaz (orange-pink) most valuable
    * Mohs 8 (hard but can cleave)
    * Blue topaz is irradiated and heat treated
  </Accordion>

  <Accordion title="Garnet" icon="circle">
    * Many species and varieties
    * Tsavorite (green) and demantoid most valuable
    * Red pyrope, almandine common
    * Generally affordable
    * Usually untreated
  </Accordion>
</AccordionGroup>

## Tracking Examples

### Example 1: GIA Certified Diamond

<ParamField path="title" type="string">
  1.50ct Round Brilliant Diamond - E VS1
</ParamField>

<ParamField path="gem_type" type="string">
  Diamond
</ParamField>

<ParamField path="carat_weight" type="number">
  1.50
</ParamField>

<ParamField path="cut" type="string">
  Excellent Round Brilliant
</ParamField>

<ParamField path="color" type="string">
  E (Colorless)
</ParamField>

<ParamField path="clarity" type="string">
  VS1
</ParamField>

<ParamField path="certification" type="string">
  GIA
</ParamField>

<ParamField path="certificate_number" type="string">
  2185438976
</ParamField>

<ParamField path="treatment" type="string">
  None
</ParamField>

<ParamField path="purchase_price" type="currency">
  \$15,750
</ParamField>

<ParamField path="market_value" type="currency">
  \$16,200
</ParamField>

***

### Example 2: Unheated Burma Ruby

<ParamField path="title" type="string">
  2.03ct Pigeon's Blood Ruby - Unheated Burma
</ParamField>

<ParamField path="gem_type" type="string">
  Ruby
</ParamField>

<ParamField path="variety" type="string">
  Pigeon's Blood (Vivid Red)
</ParamField>

<ParamField path="carat_weight" type="number">
  2.03
</ParamField>

<ParamField path="cut" type="string">
  Oval Mixed Cut
</ParamField>

<ParamField path="color" type="string">
  Vivid Red (Pigeon's Blood)
</ParamField>

<ParamField path="clarity" type="string">
  VS (Eye-clean)
</ParamField>

<ParamField path="certification" type="string">
  Gübelin
</ParamField>

<ParamField path="certificate_number" type="string">
  \[Certificate number]
</ParamField>

<ParamField path="treatment" type="string">
  None (No Heat)
</ParamField>

<ParamField path="origin" type="string">
  Burma (Myanmar) - Mogok
</ParamField>

<ParamField path="purchase_price" type="currency">
  \$42,000
</ParamField>

***

### Example 3: Colombian Emerald

<ParamField path="title" type="string">
  3.15ct Colombian Emerald - Minor Oil
</ParamField>

<ParamField path="gem_type" type="string">
  Emerald
</ParamField>

<ParamField path="carat_weight" type="number">
  3.15
</ParamField>

<ParamField path="cut" type="string">
  Emerald Cut (Step Cut)
</ParamField>

<ParamField path="color" type="string">
  Vivid Green
</ParamField>

<ParamField path="clarity" type="string">
  VS (Minor inclusions visible)
</ParamField>

<ParamField path="certification" type="string">
  AGL (American Gemological Laboratories)
</ParamField>

<ParamField path="treatment" type="string">
  Minor Oil (F1 - Insignificant)
</ParamField>

<ParamField path="origin" type="string">
  Colombia - Muzo
</ParamField>

<ParamField path="purchase_price" type="currency">
  \$28,500
</ParamField>

## Best Practices

<AccordionGroup>
  <Accordion title="Always Get Certified" icon="certificate">
    **For valuable stones, certification is essential:**

    * Provides independent verification
    * Documents authenticity
    * Records treatments
    * Aids in insurance and resale
    * Protects against fraud

    **When to certify:**

    * Diamonds over 0.50ct
    * Any ruby, sapphire, emerald over 1.00ct
    * Expensive colored stones
    * Any stone over \$1,000 value

    **Recommended labs:**

    * GIA (general, diamonds)
    * Gübelin (colored stones, prestigious)
    * SSEF (colored stones)
    * AGL (colored stones, U.S.)

    <Tip>
      For very valuable stones, get certification from top labs (GIA, Gübelin, SSEF)
    </Tip>
  </Accordion>

  <Accordion title="Document Everything" icon="file-text">
    **Maintain complete records:**

    * Original certificate/report
    * Purchase receipt
    * Seller information
    * Any appraisals
    * Treatment disclosure
    * Origin documentation

    **Upload to Storehouses:**

    * Certificate images (front and back)
    * Plotting diagram
    * Purchase documentation
    * Photos of the stone
  </Accordion>

  <Accordion title="Photograph Properly" icon="camera">
    **Essential photos:**

    * Stone from multiple angles
    * In different lighting (daylight, indoor)
    * Close-up of any inclusions
    * Next to certificate for matching
    * On white background
    * With scale reference (ruler/coin)

    **Photography tips:**

    * Natural daylight best for color accuracy
    * Use macro mode for small stones
    * Clean stone before photographing
    * Show true color (no color correction)
  </Accordion>

  <Accordion title="Understand Treatments" icon="flask">
    **Common treatments and their impact:**

    **Acceptable/Standard:**

    * Heat treatment (ruby, sapphire) - minimal value impact
    * Minor oil (emerald) - standard practice
    * Irradiation (topaz, some quartz)

    **Moderate impact:**

    * Significant oil/resin (emerald) - reduces value
    * HPHT (diamond) - less valuable than natural color
    * Diffusion treatment - significantly less valuable

    **Major impact:**

    * Fracture filling (diamond) - much less valuable
    * Coating - temporary, low value
    * Undisclosed treatments - fraud

    <Warning>
      Always disclose treatments. Undisclosed treatments can void insurance and affect resale.
    </Warning>
  </Accordion>

  <Accordion title="Store Safely" icon="vault">
    **Proper storage:**

    * Individual soft pouches or boxes
    * Separate from other gems (avoid scratching)
    * Cool, dry location
    * Away from direct sunlight (some gems fade)
    * In safe or secure location

    **Hardness considerations:**

    * Diamond (Mohs 10) can scratch everything
    * Corundum (ruby, sapphire, Mohs 9) can scratch most gems
    * Separate harder from softer stones

    <Tip>
      Store certificates separately from stones for security
    </Tip>
  </Accordion>

  <Accordion title="Regular Appraisals" icon="dollar-sign">
    **Update valuations periodically:**

    * Every 2-3 years for insurance
    * When market prices change significantly
    * After major market events
    * Before selling

    **Factors affecting value:**

    * Market demand trends
    * Origin discovery/depletion
    * New treatments or synthetics
    * Economic conditions
  </Accordion>

  <Accordion title="Insurance Considerations" icon="shield">
    **Protect valuable gems:**

    * Specialized jewelry/gem insurance
    * Scheduled items on valuable articles policy
    * Keep certificates and appraisals updated
    * Document with photos

    **Insurance documentation:**

    * Certificate from recognized lab
    * Recent appraisal (within 2-3 years)
    * Purchase receipt
    * Photos
    * Storehouses export as backup

    <Note>
      Many insurers require certification from GIA, AGS, or similar for valuable stones
    </Note>
  </Accordion>
</AccordionGroup>

## Understanding Gem Certificates

### What's Included in a Certificate

<Card title="Typical Certificate Contents" icon="file-certificate">
  **Identification:**

  * Certificate number
  * Date of issue
  * Stone type and variety

  **Measurements:**

  * Dimensions (length × width × depth)
  * Carat weight

  **The 4Cs:**

  * Cut (grade and shape)
  * Color (grade or description)
  * Clarity (grade)
  * Carat weight

  **Additional Information:**

  * Treatment disclosure
  * Origin (if determined)
  * Comments about the stone
  * Photo of the stone
  * Plotting diagram (showing inclusions)
</Card>

### Online Verification

Most major labs allow online verification:

* **GIA:** [www.gia.edu/report-check](http://www.gia.edu/report-check)
* **AGS:** verify on AGS website
* **IGI:** verify on IGI website

<Tip>
  Always verify certificate authenticity online before major purchases
</Tip>

## Common Questions

<AccordionGroup>
  <Accordion title="Do I need a certificate for every gem?" icon="question">
    **Certification recommended for:**

    * Diamonds over 0.50ct
    * Valuable colored stones (ruby, sapphire, emerald) over 1ct
    * Any stone over $1,000-$2,000 value
    * Stones for insurance purposes
    * Investment-grade gems

    **May skip for:**

    * Very small stones (under 0.25ct)
    * Inexpensive semi-precious stones
    * Stones under $500-$1,000 value

    Certification costs $50-$300+ depending on lab and stone.
  </Accordion>

  <Accordion title="Natural vs. synthetic - how to tell?" icon="flask">
    **Lab-created (synthetic) gems:**

    * Have same physical properties as natural
    * Require testing to distinguish
    * Much less expensive than natural
    * Should be disclosed and certificated as such

    **Identification:**

    * Only gemologists with proper equipment can definitively test
    * Certificates will indicate "Laboratory-Grown" or "Synthetic"
    * Inclusions patterns differ

    <Warning>
      Always buy from reputable dealers who disclose synthetic/natural status
    </Warning>
  </Accordion>

  <Accordion title="What does 'eye-clean' mean?" icon="eye">
    **Eye-clean definition:**

    * No inclusions visible to naked eye (without magnification)
    * Typically VS2 or better for diamonds
    * Varies by gem type

    **Value impact:**

    * Eye-clean stones more valuable
    * For Type III gems (emerald), eye-clean is very rare/valuable
    * For Type I gems (aquamarine), eye-clean is expected

    <Note>
      For most gems, eye-clean clarity offers best value - looks clean but costs less than flawless
    </Note>
  </Accordion>

  <Accordion title="How do treatments affect value?" icon="dollar-sign">
    **Treatment value impacts:**

    **Minimal impact (accepted):**

    * Heat treatment: 0-10% value reduction
    * Minor oil (emerald): Expected/standard

    **Moderate impact:**

    * Moderate/significant oil: 20-40% reduction
    * HPHT diamond: 20-30% less than natural color

    **Significant impact:**

    * Diffusion: 50-70% reduction
    * Fracture filling: 60-80% reduction
    * Coating: 70-90% reduction

    **Untreated premium:**

    * Unheated ruby/sapphire: 20-50% premium
    * Unheated, fine origin: 50-200%+ premium
  </Accordion>

  <Accordion title="Should I track mounted or unmounted separately?" icon="ring">
    **Track separately:**

    * **Loose gems:** Use "Gemstones (Gems)" category
    * **Mounted gems:** Use "Fine Jewelry" category

    **Benefits:**

    * Different valuation methods
    * Different insurance needs
    * Clear inventory separation
    * Better for estate planning

    **Exception:** If you have the certification for the center stone in jewelry, you can note it in the jewelry item's description.
  </Accordion>
</AccordionGroup>

## Next Steps

<CardGroup cols={2}>
  <Card title="Add Your Gems" icon="plus" href="https://storehouses.app/add">
    Start tracking your gemstone collection
  </Card>

  <Card title="Fine Jewelry Guide" icon="ring" href="/asset-types/jewelry">
    Learn about tracking mounted gems
  </Card>

  <Card title="View Collection" icon="eye" href="/portfolio/viewing-items">
    Browse your gems
  </Card>

  <Card title="Export Inventory" icon="file-export" href="/portfolio/export-reporting">
    Generate gem reports for insurance
  </Card>
</CardGroup>