Chrome Tourmaline

Tourmaline Group

Key Properties

Property Value
Mohs Hardness 7.25 (7-7.5)
Typical Size 0.5-10 carats (commercial: 1-5 carats; clean stones over 5ct rare)
Typical Price Range $200-2,000+ per carat (commercial: $300-800; fine chrome-green over 3ct $1,000-2,000+)
Rarity Level Limited Occurrence
Availability Level Limited Supply
Availability Driver Limited Deposits
Investment Appropriateness Investment Grade Gems

Pricing

Typical Price
N/A
per carat
Listing Price
$356.06
per carat
Sold Price
$100.76
per carat
My Price
N/A
per carat

Price Calculator

Estimate Type Total Value Price per Carat
Typical Cost - -
Likely Listed Cost - -
Likely Sold Cost - -
My Price Cost - -
BEARISH
43.75

Score Components

Geo rarity
65
Mkt availability
65
Invest Appr
0
hardness
25
price
65

Buy This Gem

Detailed Descriptions

Rarity Description: Chromium-bearing tourmaline with intense green color; primarily from Tanzania and Kenya. Distinguished from other green tourmalines by chromium content.

Availability Description: Available through specialty dealers; East African material most valued; chrome content verified by spectroscopy.

Investment Description: Premium tourmaline variety; chrome-green color commands significant premium; limited supply from East Africa; strong collector and investment interest.

Seller Prices

Seller Faceted Price Rough Price
crysta1gems $100.76/ct -

Price History (Last 3 Years)

Loading price data...

Origin Variants

No origin variants found for this gem.

Color Variants

No color variants found for this gem.

Price Levels of Origin and Color Variants on MC

Origin Colour Clarity Price Per Carat # Listings Avg Weight
East Africa medium green Eye clean $1904.91/ct 2 12.52 ct
East Africa dark slightly yellowish green Eye clean to Slightly included $593.59/ct 1 5.24 ct
East Africa medium yellowish green Eye clean $563.00/ct 4 2.88 ct
Madagascar medium dark green Eye clean $540.00/ct 1 8.77 ct
East Africa medium dark slightly yellowish green Slightly included $509.49/ct 2 4.50 ct
Tanzania dark green Eye clean $394.81/ct 1 3.93 ct
East Africa dark green Eye clean $340.43/ct 11 3.25 ct
East Africa medium dark green Eye clean to Slightly included $338.34/ct 3 1.82 ct
East Africa medium dark slightly yellowish green Eye clean $331.54/ct 6 2.86 ct
East Africa dark slightly yellowish green Eye clean $253.20/ct 7 4.27 ct
East Africa dark strongly yellowish green Eye clean to Slightly included $241.46/ct 1 4.08 ct
East Africa medium dark slightly yellowish green Eye clean to Slightly included $241.38/ct 1 3.49 ct
East Africa medium dark strongly yellowish green Slightly included $223.75/ct 1 2.23 ct
East Africa medium green Eye clean to Slightly included $212.07/ct 2 1.53 ct
East Africa medium dark green Slightly included $198.79/ct 2 1.73 ct
East Africa dark green Eye clean to Slightly included $197.00/ct 7 1.87 ct
East Africa medium slightly yellowish green Eye clean $180.00/ct 1 1.70 ct
East Africa medium yellowish green Eye clean to Slightly included $180.00/ct 1 1.06 ct
East Africa medium dark green Eye clean $165.44/ct 12 1.59 ct
East Africa medium light green Eye clean $147.06/ct 1 0.34 ct
East Africa medium dark yellowish green Eye clean $138.46/ct 3 4.00 ct
East Africa medium green Slightly included $129.98/ct 2 0.91 ct
East Africa - Eye clean $128.07/ct 2 2.56 ct
East Africa medium dark yellowish green Slightly included $108.00/ct 1 2.93 ct
East Africa medium dark green Moderately included $107.81/ct 1 2.69 ct
East Africa medium light slightly yellowish green Eye clean to Slightly included $72.85/ct 1 1.69 ct
East Africa dark yellowish green Eye clean to Slightly included $67.52/ct 1 2.62 ct
East Africa dark yellowish green Slightly included $67.32/ct 1 2.06 ct
East Africa dark yellowish green Eye clean $66.92/ct 1 1.83 ct
East Africa medium dark yellowish green Eye clean to Slightly included $65.21/ct 1 1.58 ct
East Africa very dark slightly yellowish green Eye clean $62.47/ct 2 2.13 ct
East Africa dark slightly yellowish green Moderately included $60.00/ct 1 5.16 ct
East Africa - Slightly included $58.98/ct 1 1.30 ct
East Africa dark green Slightly included $53.23/ct 2 1.35 ct

Current Listings

Please sign in to view current listings.

Other gems in the Tourmaline Group:

My Holdings of this gem

You do not have any holdings of this gem type.