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 Home / Calibrated Gemstones: 1041 items available June 15, 2025  

Calibrated Gems – piece by piece

There are 1041 calibrated gemstone lots available for immediate purchase. Our most recent addition was on 06/12/25 09:11:18. Click here to review our latest calibrated selection.
Spotlights On: Latest 54 item(s), Featured, Promotions, Best Sellers, Deals
Explore: Ordering Guide, Buying Guide, Auctions, Gems and Astrology
All Categories: Calibrated ( 1041 /  4 new ), Carving ( 26 ), Closeout ( 312 ), Mixed Lot ( 437 /  3 new ), Pair ( 1096 /  21 new ), Rough ( 30 ), Single ( 9294 /  26 new ), All Items
Browse Calibrated Gemstones: [ 1 ] – total items, 1 – new items
Akoya Pearl [2] Alexandrite [25]
Amethyst [23] Apatite [7]
Aquamarine [10] Chalcedony [30]
Chrome Tourmaline [74] Chrysoberyl [4]
Chrysoprase [18] Citrine [1]
Color Change Garnet [15] Danburite [122]
Demantoid [2] Diamond [29]
Freshwater Pearl [13] Hessonite [3]
Lapis [11] Malaia Garnet [43]
Moonstone [16] Morganite [9]
Peridot [12] Prehnite [4]
Rhodolite [117] Rose Quartz [4]
Ruby [44] Sapphire [240 / 4 ]
Spessartite [13] Spinel [31]
Tanzanite [5] Topaz [46]
Tsavorite [55] Zircon [13]

Latest Item
Sapphire Calibrated
our Ref# YSA1065aa
Sapphire Calibrated Round Eye clean to Slightly included
Size: 2.50 X 2.50 MM
Weight: 0.073 CTS
Shape: Round
Clarity: Eye clean to Slightly included
Usually ships within 24 hours
RECOMMENDED
OUR PRICE
USD 16.25
Add to Shopping Cart Save For Later
Largest
Rose Quartz Calibrated
our Ref# YQU132aa
Rose Quartz Calibrated Round Translucent
Size: 19.00 X 19.00 MM
Weight: 31.130 CTS
Shape: Round
Clarity: Translucent
Usually ships within 24 hours
RECOMMENDED
OUR PRICE
USD 77.82
Add to Shopping Cart Save For Later
Smallest
Sapphire Calibrated
our Ref# YSA2358aa
Sapphire Calibrated Round Eye clean
Size: 0.80 X 0.80 MM
Weight: 0.002 CTS
Shape: Round
Clarity: Eye clean
Usually ships within 24 hours
RECOMMENDED
OUR PRICE
USD 1.90
Add to Shopping Cart Save For Later
Popular
Rhodolite Calibrated
our Ref# XRH312aa
Rhodolite Calibrated Oval Eye clean
Size: 11.00 X 9.00 MM
Weight: 4.780 CTS
Shape: Oval
Clarity: Eye clean
Usually ships within 24 hours
RECOMMENDED
OUR PRICE
USD 143.40
Add to Shopping Cart Save For Later

Calibrated Gems Facts
Did you know?
  • Hand gem mining by shovel is usually more economical than machine mining. By the time the machinery is in place, the gems are gone and the diggers are off to the next place.
  • The on hand sizes and quantities are posted and we can ship immediately from stock. Calibrated gemstones and can be make to order.
  • All of our stones are 100% natural – no created or synthetic stones.
  • Gemstone identification certificates are available from AIGS, TGL, and GIT.
  • Treatments are disclosed in our stone descriptions except in cases where the information is unavailable.
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Finest gems/
Sapphire Single
From our finest gemstones collection
Sapphire Single Octagon Slightly included
Size: 15.60 X 6.00 MM
Weight: 4.650 CTS
Shape: Octagon
Clarity: Slightly included
Usually ships within 24 hours
OUR PRICE
USD 8640.00
VIEW DETAILS  ADD TO SHOPPING CART


Deal of the Day/
Danburite Single
limited time offer, ref# XDN502ah
Danburite Single Oval Eye clean
Size: 12.40 X 9.00 MM
Weight: 4.400 CTS
Shape: Oval
Clarity: Eye clean
Usually ships within 24 hours
10 % OFF, YOU SAVE 7.48 USD
NOW ONLY
USD 67.32
VIEW DETAILS  ADD TO SHOPPING CART

Today’s Trade/
Best Selling Gems:
Zircon Zircon
227 Zircon ’s available
Browse gems | Learn More
Gemstone Variety: Hits Index
Going Up Amber +517 +0.0%
average price USD 189.30 per item
Going Down Sapphire -4564 -0.1%
average price USD 401.13 per item
Going Up Parisite +1763 +0.2%
average price USD 122.67 per item
Going Down Alexandrite -2213 -0.3%
average price USD 1984.12 per item
Going Down Anatase -46 +-0.0%
average price USD 221.50 per item
See more real time gem reports.
Exchange rates to USD
Canada Dollars 1.363
Euro 0.869
United Kingdom Pounds 0.739
Japan Yen 144.145
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Gem Library /
Gems Legend and  Lore This month birthstone: Alexandrite, Pearl
More from the Gem Library about Birthstones.
Gemini Gemini
May 21 – June 20
Dual nature. You can go in many directions. Your zodiac stone...more

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Gemstones by Category: Calibrated, Carving, Closeout, Mixed Lot, Pair, Rough, Single, Best Sellers or Featured Gemstones.
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