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Gemtype Color Shape Weight Size Clarity Price Origin
You Selected (1060): Black Gemstones Clear All
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4 pcs
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3.4ct Round Rose-Cut Black Spinel Gem (ID: 383931)
3.40 ct (total 13.58ctw) Spinel
9.1 mm
$ 40.74
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1 pc
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123.4ct Oval Cabochon Gold Sheen Black Obsidian Gem (ID: 447905)
123.42 ct Obsidian
65.1 x 33.1 mm
$ 123.42
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1 pc
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1.1ct Oval Facet Black Tourmaline Gem (ID: 505245)
1.10 ct Tourmaline
8 x 5.9 mm
$ 2.32
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2 pcs
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3.9ct Cushion Rose-Cut Black Spinel Gem (ID: 329178)
3.93 ct (total 7.86ctw) Spinel
10 x 8.1 mm
$ 15.72
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1 pc
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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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4 pcs
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3.4ct Round Rose-Cut Black Spinel Gem (ID: 383930)
3.43 ct (total 13.70ctw) Spinel
9.1 mm
$ 41.10
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1 pc
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2.3ct Oval Cabochon Black Cat's Eye Scapolite Gem (ID: 485078)
2.32 ct Cat's Eye Scapolite
8.7 x 7.2 mm
$ 2.58
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2 pcs
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4.2ct Cushion Rose-Cut Black Spinel Gem (ID: 328995)
4.22 ct (total 8.44ctw) Spinel
10.1 x 8.1 mm
$ 16.88
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1 pc
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3.2ct Octagon / Scissor Cut Black Tourmaline Gem (ID: 505252)
3.20 ct Tourmaline
10.7 x 7.5 mm
$ 6.75
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1 pc
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71.3ct Cushion Cabochon Black Gold Sheen Obsidian Gem (ID: 447899)
71.31 ct Obsidian
48.6 x 22.2 mm
$ 71.31
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1 pc
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16.6ct Pear Cabochon Black Gold Sheen Obsidian Gem (ID: 433834)
16.62 ct Obsidian
26 x 15 mm
$ 16.62
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2 pcs
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4.5ct Trillion Rose-Cut Black Spinel Gem (ID: 334758)
4.45 ct (total 8.89ctw) Spinel
10 x 9.8 mm
$ 44.45
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1 pc
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Click for Product Video (370517)
38.8ct Octagon / Scissor Cut Black Tourmaline Gem (ID: 370517)
38.83 ct Tourmaline
38.9 x 11.2 mm
$ 106.78
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4 pcs
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3.1ct Baguette Rose-Cut Black Spinel Gem (ID: 381230)
3.11 ct (total 12.42ctw) Spinel
10.1 x 8.2 mm
$ 37.26
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1 pc
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2.4ct Oval Cabochon Black Cat's Eye Scapolite Gem (ID: 485011)
2.41 ct Cat's Eye Scapolite
8.6 x 6.7 mm
$ 2.68
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1 pc
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59.3ct Pear Cabochon Black Gold Sheen Obsidian Gem (ID: 447764)
59.31 ct Obsidian
37.9 x 28.1 mm
$ 59.31
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2 pcs
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3.1ct Baguette Rose-Cut Black Spinel Gem (ID: 381068)
3.08 ct (total 6.16ctw) Spinel
9.3 x 7.8 mm
$ 18.48
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1 pc
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Click for Product Video (350640)
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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1 pc
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6.8ct Oval Facet Black Tourmaline Gem (ID: 505247)
6.75 ct Tourmaline
12.9 x 9.8 mm
$ 14.24
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1 pc
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2.5ct Oval Cabochon Black Cat's Eye Scapolite Gem (ID: 485036)
2.45 ct Cat's Eye Scapolite
9.4 x 7 mm
$ 2.72
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2 pcs
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3.5ct Baguette Rose-Cut Black Spinel Gem (ID: 381066)
3.45 ct (total 6.90ctw) Spinel
9.8 x 8 mm
$ 20.70
Item in Stock
Black Gemstones
Black gemstones never go out of fashion. Shop for natural black gemstones from a huge range of gem types, sizes, shapes and cutting styles. The black colored gemstones in stock include black star sapphire, black spinel, black tourmaline, black jasper and more, 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 gem type or shape. 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 -> 9 star ratings
My selection was made quickly and efficiently.
Posted By JimC in November, 2018
Source: Bizrate
Overall Rating -> 10 star ratings
GemSelect has a great selection at reasonable prices. Gemstones are always as beautiful as pictured.
Posted By GemLover in November, 2018
Source: Bizrate
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
Popular Gemstones
All Gemstones (144)
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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