Kornerupine
Kornerupine GroupKey Properties
| Property | Value |
|---|---|
| Mohs Hardness | 6.75 (6.5-7) |
| Typical Size | 0.5-10 carats (commercial: 1-5 carats; larger stones rare) |
| Typical Price Range | $50-500 per carat (commercial: $100-300; green to brown) |
| Rarity Level | Unique Geological |
| Availability Level | Collectors Market |
| Availability Driver | Limited Deposits |
| Investment Appropriateness | Fashion/Trend Gems |
Pricing
Typical Price
$60.00
per carat
MC Price
$270.84
per carat
Listing Price
$362.64
per carat
Sold Price
$16.65
per carat
My Price
N/A
per carat
Hunt Target Price
N/A
per carat
Price Calculator
| Estimate Type | Total Value | Price per Carat |
|---|---|---|
| Typical Cost | - | - |
| MC Price Cost | - | - |
| GSK Price Cost | - | - |
| Likely Listed Cost | - | - |
| Likely Sold Cost | - | - |
| My Price Cost | - | - |
| Hunt Target Price | - | - |
MODERATELY BULLISH
55.62
Score Components
Geo rarity
85
Mkt availability
85
Invest Appr
25
hardness
10
price
45
Buy This Gem
Detailed Descriptions
Rarity Description: Rare borosilicate mineral; gem-quality material is scarce.
Availability Description: Available through specialty dealers; collector interest for rare mineral.
Investment Description: Rare collector gem; limited market; minimal investment potential; primarily mineralogical interest.
Seller Prices
| Seller | Faceted Price | Rough Price | Asking PPC, Faceted | Asking PPC, Rough |
|---|---|---|---|---|
| ucgems | $1110.26/ct | - | - | - |
| hafizgemstonesonline | $84.51/ct | - | - | - |
| crysta1gems | $70.74/ct | - | - | - |
| gemsmine | $22.05/ct | - | - | - |
| puti | $17.89/ct | - | - | - |
| gemsofasia | $9.51/ct | - | - | - |
| gemglow | $1.39/ct | - | $360.54/ct | - |
| qualitygemsmine | $0.61/ct | - | - | - |
| suchengems | - | - | $375.00/ct | - |
Price History (Last 3 Years)
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Origin Variants
| Origin | Rarity | Price Multiplier | Multiplier in MC |
|---|---|---|---|
| Tanzania | x1.00 | x1.00 | |
| Kenya | x1.00 | - | |
| East Africa | x1.00 | - | |
| Congo | x1.00 | - |
Color Variants
| Variant | Color | Rarity | Price Multiplier | Multiplier in MC |
|---|---|---|---|---|
| Green Kornerupine | Green | Uncommon | x1.00 | x2.19 |
| Blue Kornerupine | Blue | Rare | x1.00 | x1.96 |
| Brown Kornerupine | Brown | Common | x1.00 | - |
| Yellow Kornerupine | Yellow | Uncommon | x1.00 | - |
Price Levels of Origin and Color Variants on MC
| Origin | Colour | Clarity | Price Per Carat | # Listings | Avg Weight |
|---|---|---|---|---|---|
| Tanzania | light green | Slightly included | $1294.27/ct | 1 | 2.62 ct |
| Tanzania | medium light bluish green | Moderately included | $720.09/ct | 1 | 2.24 ct |
| Tanzania | light green | Moderately to Heavily included | $360.00/ct | 1 | 4.26 ct |
| Tanzania | medium yellowish green | Slightly to Moderately included | $360.00/ct | 1 | 3.68 ct |
| Tanzania | light green | Slightly to Moderately included | $252.00/ct | 1 | 2.50 ct |
| Tanzania | very light strongly yellowish green | Eye clean to Slightly included | $180.04/ct | 1 | 19.99 ct |
| Tanzania | dark yellow-green | Eye clean | $72.00/ct | 1 | 2.23 ct |
| Tanzania | dark strongly yellowish green | Slightly included | $64.81/ct | 5 | 1.84 ct |
| Tanzania | medium dark very strongly bluish green | Moderately included | $40.00/ct | 1 | 0.86 ct |
Current Listings
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Other gems in the Kornerupine Group:
| Gem Type | Investment Ranking | Typical Price | Listing Price | Sold Price |
|---|---|---|---|---|
| Kornerupine | Fashion/Trend Gems | $60.00/ct | $362.64/ct | $16.65/ct |
My Holdings of this gem
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