All Gemstones

Showing 393–420 of 1712 results

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  Colombian Emerald 0.32 ct

  $250.00
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  Color Change Garnet 0.65 ct

  $140.00
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  Color Change Tourmaline 2.27 ct

  $140.00
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  Columbian Emerald 0.85 ct Round Cut 6.10 mm max1574

  $115.00
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  Columbite (mm)ロンバイト 6.22 ct Trillion Cut 9.39 x 9.17 mm Colorado, USA max9032

  $155.00
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  Condor agate 162.32 ct oval cabochon 74.2 x 48.5 mm Argentina y32318

  $215.00
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  Copper 15.99 ct Octagon Cut 9.87 x 9.70 mm max1707

  $80.00
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  Coprolite 13.50cts Trillion Cut 16.70 x 16.70mm Utah, USA T1223

  $143.00
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  Coquimbite 1.32 ct

  $25.00
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  Coquimbite 1.55 ct

  $35.00
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  Cosmic Obsidian 16.92 ct Pair Faceted Cushion Shape 13.00 x 13.00mm Y8579

  $246.00
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  Cosmic Obsidian 5.15 ct Pair Faceted Round 10mm Volcanic Italian island: Lipari Y8582

  $75.00
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  Cosmic Obsidian 5.40 ct Set of 3 Faceted Diamond Shape 12 .00 x 8.00mm Italy Y8587

  $133.00
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  Covellite 0.82 ct

  $25.00
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  Covellite 1.51 ct

  $35.00
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  Covellite 1.83 ct Pair

  $50.00
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  Covellite 2.67 ct

  $75.00
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  Covellite 3.44 ct

  $100.00
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  Covellite Faceted 4.00 ct

  $80.00
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  Covellite Faceted 4.68 ct

  $95.00
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  Covellite Faceted 7.04 ct Trillion Cut max8597

  $140.00
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  Covellite Faceted 5.20 ct

  $110.00
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  Coverllite 1.55cts Oval Cut 7.30 x 5.68mm ov1154

  $63.00
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  Coverllite 2.67 ct Trillion Cut 8.00 x 8.00 mm max1921

  $88.00
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  Cromite 6.76 ct Cushion Cut 10.50 x 10.50 mm max1381

  $88.00
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  Cuprian Adamite 1.36 ct Cushion Cut 690 x 4.60 x 3.80 mm z363

  $100.00
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  Cuprian Adamite 15.076 gm Natural Crystal size 32.00 x 30.00 x 19.00 mm Mapimi, Mexico z362

  $46.00
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  Cuprian Powellite 0.17 ct

  $60.00