Color Change Sapphire

Corundum Group

Key Properties

Property Value
Mohs Hardness 9.0 (9)
Typical Size 0.5-15 carats (commercial: 1-5 carats; larger stones with strong change rare)
Typical Price Range $500-10,000+ per carat (commercial: $1,000-5,000; strong change over 3ct $5,000-10,000+)
Rarity Level Unique Geological
Availability Level Collectors Market
Availability Driver Limited Deposits
Investment Appropriateness Emerging Investment Gems

Pricing

Typical Price
$800.00
per carat
MC Price
$383.76
per carat
Listing Price
$348.45
per carat
Sold Price
$147.09
per carat
My Price
N/A
per carat
Hunt Target Price
N/A
per carat

Price Calculator

Estimate Type Total Value Price per Carat
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BULLISH
71.88

Score Components

Geo rarity
85
Mkt availability
85
Invest Appr
75
hardness
0
price
85

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Detailed Descriptions

Rarity Description: Rare sapphire showing color change from blue or violet in daylight to purple or reddish-purple in incandescent light; caused by vanadium. Primary sources include Madagascar, Tanzania, and Sri Lanka.

Availability Description: Available through specialty dealers and auctions; strength and quality of color change determines value; unheated specimens command significant premium.

Investment Description: Rare phenomenal corundum with strong collector appeal; dramatic color change highly valued; limited supply; growing investment market; excellent appreciation potential for strong-change unheated specimens.

Seller Prices

Seller Faceted Price Rough Price Asking PPC, Faceted Asking PPC, Rough
waranyugemsmart $588.47/ct - $344.14/ct -
prettylittlegem $478.47/ct - - -
puti $361.20/ct - - -
perfectgems $320.00/ct - - -
topazgems $188.12/ct - - -
fawadalikn007 $174.43/ct - - -
qualitygemsmine $135.28/ct - - -
dreamz916 $132.72/ct - - -
adgemshop $113.96/ct - - -
gemsofafrica $106.21/ct - - -
zaishajeweller $101.45/ct - - -
suchengems $97.21/ct - $451.22/ct -
mujtabagems $95.18/ct - - -
mogokstone $93.48/ct - - -
allsapphires $87.69/ct - - -
preciouscarats $59.66/ct - - -
gemscorner $12.84/ct - - -
yourgiftstop - - $730.09/ct -
gemstorewholesale - - $685.48/ct -
oftheearthgems - - $608.47/ct -
tabishali - - $510.20/ct -
starruby - - $359.47/ct -
facetedgems - - $150.19/ct -
ceylonsapphires - - $135.19/ct -

Price History (Last 3 Years)

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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
Tanzania medium dark red-purple Slightly included $900.00/ct 1 5.12 ct
Madagascar medium dark bluish violet Slightly included $432.47/ct 1 1.54 ct
Tunduru, Tanzania medium dark bluish violet Eye clean $400.00/ct 1 1.02 ct
Tanzania medium reddish purple Slightly to Moderately included $315.62/ct 1 0.73 ct
Mozambique medium reddish purple Slightly included $240.00/ct 1 1.24 ct
Tanzania medium violet Slightly to Moderately included $223.01/ct 1 1.54 ct
Tanzania medium bluish purple Slightly included $216.00/ct 1 1.79 ct
Tanzania medium dark violet Slightly included $201.90/ct 1 1.37 ct
Tanzania dark bluish purple Eye clean to Slightly included $188.47/ct 1 0.85 ct
Tanzania medium dark bluish violet Slightly included $180.00/ct 2 1.25 ct
Songea, Tanzania - Eye clean to Slightly included $110.42/ct 2 0.72 ct
Songea, Tanzania - Slightly included $109.78/ct 2 0.46 ct
Songea, Tanzania - Eye clean $100.00/ct 3 0.46 ct

Current Listings

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