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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (193): Black Sapphire Gems - Sapphire, Star Sapphire, Color Change Sapphire Clear All
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1.6ct Oval Cabochon Black Star Sapphire Gem (ID: 486770)
1.57 ct Star Sapphire
8.3 x 6.2 mm
$ 15.70
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32.7ct Oval Cabochon Black Star Sapphire Gem (ID: 350640)
32.74 ct Star Sapphire
19.4 x 16.4 mm
$ 655.75
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20.3ct Oval Cabochon Black Star Sapphire Gem (ID: 350892)
20.32 ct Star Sapphire
19.2 x 15.9 mm
$ 553.92
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1.8ct Oval Cabochon Black Star Sapphire Gem (ID: 486774)
1.77 ct Star Sapphire
8 x 6.3 mm
$ 17.70
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1.9ct Oval Cabochon Black Star Sapphire Gem (ID: 487680)
1.85 ct Star Sapphire
8.6 x 6.2 mm
$ 18.50
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32.3ct Oval Cabochon Black Star Sapphire Gem (ID: 350641)
32.25 ct Star Sapphire
18.4 x 16.5 mm
$ 483.75
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1.9ct Oval Cabochon Black Star Sapphire Gem (ID: 487255)
1.87 ct Star Sapphire
8.2 x 6.1 mm
$ 18.70
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1.9ct Pear Cabochon Black Star Sapphire Gem (ID: 488739)
1.88 ct Star Sapphire
7.6 x 6.2 mm
$ 18.80
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2.4ct Oval Cabochon Black Star Sapphire Gem (ID: 498741)
2.39 ct Star Sapphire
9.6 x 7.9 mm
$ 18.80
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3ct Oval Cabochon Black Star Sapphire Gem (ID: 487165)
2.98 ct Star Sapphire
8.7 x 6.8 mm
$ 329.80
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1.9ct Oval Cabochon Black Star Sapphire Gem (ID: 498754)
1.91 ct Star Sapphire
9 x 7.3 mm
$ 19.10
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1.9ct Oval Cabochon Black Star Sapphire Gem (ID: 487679)
1.94 ct Star Sapphire
7.9 x 6.5 mm
$ 19.40
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2ct Oval Cabochon Black Star Sapphire Gem (ID: 488736)
1.95 ct Star Sapphire
8.1 x 6.1 mm
$ 19.50
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2ct Oval Cabochon Black Star Sapphire Gem (ID: 487948)
1.96 ct Star Sapphire
8 x 6.1 mm
$ 19.60
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1.9ct Oval Cabochon Black Star Sapphire Gem (ID: 488345)
1.91 ct (total 3.82ctw) Star Sapphire
8.2 x 6.5 mm
$ 38.20
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2ct Oval Cabochon Black Star Sapphire Gem (ID: 488740)
1.97 ct Star Sapphire
8.5 x 6.6 mm
$ 19.70
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2ct Oval Cabochon Black Star Sapphire Gem (ID: 498764)
1.99 ct Star Sapphire
8.9 x 7.1 mm
$ 19.90
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2ct Oval Cabochon Black Star Sapphire Gem (ID: 498779)
2.03 ct Star Sapphire
9.4 x 7.5 mm
$ 20.30
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3.7ct Oval Cabochon Black Star Sapphire Gem (ID: 470420)
3.74 ct Star Sapphire
10 x 8.7 mm
$ 74.80
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2ct Oval Cabochon Black Star Sapphire Gem (ID: 487248)
2.04 ct Star Sapphire
8.7 x 6.7 mm
$ 20.40
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4.3ct Oval Cabochon Black Star Sapphire Gem (ID: 470284)
4.29 ct Star Sapphire
9.7 x 8.3 mm
$ 85.80
Item in Stock
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Black Sapphire Gems
Black gemstones never go out of fashion and one of the most popular black gem types is sapphire. Black sapphire may be faceted or black star sapphire cabochons. Sapphire has a hardness level of 9 on the Mohs scale, which makes it one of the most durable gems of all time. Sapphire is a form of corundum that occurs in almost every color. Red corundum is known as ruby. The name corundum comes from the ancient Sanskrit "kuruvindam", while the name "sapphire" comes from the Persian word "safir". Sapphire is seen as the guardians of love. When given as a gift it enhances love and tunes your psyches to one another. Also, it has been used to banish envy and jealousy as well as promote fidelity in marriage. Shop for natural black sapphire gemstones from a range of sizes, shapes and cutting styles. The black sapphire gemstones in stock include huge black star sapphires and small black sapphire gems, in singles, lots and matched pairs. From this page, you can filter the results further by using the left-hand menu. For instance, you can shop by shape or cutting style. Using the check boxes at the top, results can be narrowed even further by faceted or cabochon gems. By using the top menu, you can search by origin, carat weight, size, price and other factors, to enable you to find the exact gemstone that you are looking for. All items are in stock and ready to ship.
Certified Customer Reviews
Overall Rating -> 10 star ratings
Colors and qualities of gems are very well represented online. Easy to use website. Great selections!
Posted By in November, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
This was my second purchase from GemSelect and definitely won’t be my last! They have a very wide variety of gems and you can always find what you are looking for with ease and the prices are very good.
Posted By Jill in November, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
Loved the wide selection of product
Posted By Miki in November, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
finally bought the last rock to complete my ring idea; needed another white one after giving the big diamond to my daughter. a diamond that size is out of my retired-school-teacher budget, so i bought a white zircon. went back to the same place that i got my loose sapphire-- great selection, good prices, good delivery!
Posted By Ptcmom in November, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
I'm always real pleased with this website, I don't think there is much you could do to make it any better. I wish the shipping charges were lower, but it is understandable.
Posted By Spinch13 in November, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
This is a site that sources valuable and genuine stones forms around the world, with and honest and descriptive sections, as well as specs, and the option to have the gemstone collection one might purchased—certified! Price ranges vary, but are always affordable and always worth it, whether it’s a gift, or for a personal business.
Posted By Bradley in November, 2018
Source: Bizrate
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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart