Our Collection of Rare Gemstones

Showing 7477–7504 of 8712 results

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  Stromatolite Collenia Undosa Fossil Proterozoic (2.1 b.y.o.) 5.80 ct

  $70.00
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  Stromatolite Collenia Undosa Fossil Proterozoic (2.1 b.y.o.) 6.71 ct

  $74.00
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  Stromatolite Fossil 1.77 ct

  $40.00
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  Stromatolite Fossil 3.30 ct

  $50.00
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  Stromatolite Kabama Fossil 1.515cts Madagascar H6.5-7 T1811

  $33.00
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  Stromatolite Kabamba Fossil Collenia 130.50 ct

  $200.00
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  Stromeyerite 1.64 ct Trillion Cut 6.60 x 6.50 mm Czech Republic y92794

  $43.00
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  Stromeyerite 1.75 ct Trillion Cut 7.00 X 7.00 mm Czech Republic y92796

  $53.00
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  Stromolite 1.20cts 6mm Round Cut H6.5-7 Y10605

  $41.00
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  Strong Orange Sapphire 0.047cts Round Cut 2mm Madagascar H9 Y11108

  $20.00
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  Strong Pink Opal ストロングピンクオパール 2.50 Trillion Cut 9.90 x 9.80 x 6.40 mm Peru max7018

  $50.00
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  Strong Pink Sapphire 0.72cts Oval 5.05 x 4.62mm Sri Lanka H9 Y12038

  $40.00
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  Strontium Alluminate アルミン酸ストロンチウム 1.24 ct Round Cut 6.50 mm max6815

  $25.00
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  Strontium with Aragonite 2.65 ct

  $60.00
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  Strontium with Aragonite 3.14 ct

  $60.00
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  Strontium with Arragonite 2.69 ct

  $70.00
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  Sugilite 4.04 ct Oval Cut 10.62 x 8.89 mm max5008 max5008 superb Color

  $50.00
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  Sugilite スギライト 4.01 ct Trillion Cut 8≥p0 x 8.00 mm S.Africa max9297

  $60.00
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  Sulfohalite 5.37 ct Octagon Cut 11.00 x 11.00 mm USA max1680

  $88.00
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  Sulphur 13.65 ct

  $995.00
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  Sulphur 16.35 ct

  $400.00
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  Sulphur 23.19 ct Cushion Cut 20.20 x 16.20 mm Russia max10560

  $2,000.00
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  Sulphur 6.34 ct

  $220.00
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  Sulphur 6.82 ct

  $200.00
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  Sulphur 9.98 ct

  $300.00
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  Sumatra Agate 33.52 ct Fancy Cabochon 39.60 x 21.00 x 5.00 mm y100141

  $65.00
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  Sumatra Agate 34.38 Superb Cabochon Collection (1) 40.50 x 28.00 x 3.90 mm y99919

  $170.00
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  Sumatra agate 38.94 ct oval cabochon 43.0 x 25.2 mm Sumatra y32963

  $58.00