Our Collection of Rare Gemstones

Showing 4229–4256 of 8694 results

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  Manganoapatite 7.58 ct

  $190.00
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  Manganoneptunite 1.40 ct Cushion Cut 8.60 x 5.90 mm max2862

  $60.00
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  Manganotantalite 1.70 ct Trillion Cut 6.64 x 6.60 mm Pakistan max6431

  $300.00
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  Manganotantalite 2.80 ct Round Cut 6.20 mm Pakistan max6344

  $130.00
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  Manganotantalite 5.04 ct Oval Cut 8.00 x 7.50 x 4.95 mm Pakistan max6344

  $350.00
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  Manganovesuvianite on Hausmannite 1.36 ct Trillion Cut 7.30 x 7.20 mm y92773

  $43.00
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  Manganovesuvianite on Hausmannite 2.68 ct Cushion Cut 9.10 x 6.60 mm Y92776

  $85.00
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  Manganovesuvianite on Hausmannite 3.49 ct Cushion Cut 12.30 x 6.30 mm Y92777

  $111.00
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  Mangantantalite 2.02 ct Bag Cut 6.30 x 4.00 mm Pakistan max6417

  $44.00
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  Manganves Uvianite – Hausmannite 2.68 ct Cushion Cut 9.10 x 6.60 mm max1394

  $77.00
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  Mannardite & Ankangite with Celsian in Quartz 10.80 ct

  $150.00
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  Marcasite in Quartz 109.27 ct Oval Cabochon 47.10 x 5.00 mm c068

  $150.00
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  Marcasite in Quartz 111.27 ct Fancy Cabochon 61.00 x 42.00 x 4.30 mm Indonesian c004

  $135.00
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  Marcasite in Quartz 116.59 Fancy Cabochon Collection (1) 57.10 x 38.50 x 4.50 mm Indonesian c066

  $160.00
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  Marcasite in Quartz 135.73 ct Trillion Cabochon 53.80 x 53.80 x 5.00 mm Indonesian c005

  $210.00
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  Marcasite in quartz 139.96 ct Fancy Cabochon Collection (2) 59.50 x 47.10 x 5.00 mm c067

  $220.00
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  Marcasite in Quartz 95.75 ct Oval Cabochon 57.10 x 38.50 x 0 x 4.50 mm Indonesian c065

  $130.00
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  Margarite 0.55 ct Fancy Cut 6.90 x 5.60 mm y294

  $85.00
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  Margarite 1.20 ct Fancy Cut 8.20 x 8.20 mm Ural Mountains Russia max4923

  $33.00
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  Marra Mamba 103.64 ct Round Cabochon 49.70mm x 4.10mm Australia w270

  $210.00
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  Marra Mamba 187.05 ct

  $440.00
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  Marra mamba 19.98 ct Oval Cabochon 26.12 x 16.09 x 6.01 mm Australia max618

  $20.00
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  Marra mamba 20.21 ct Oval Cabochon 40.06 x 13.15 x 3.98 mm Australia max619

  $20.00
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  Marra mamba 20.21 ct round cabochon 22.7 mm Australia y32233

  $20.00
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  Marra mamba 29.34 ct Oval Cabochon 35.57 x 20.10 x 4.14 mm Australia max620

  $50.00
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  Marra mamba 30.95 ct Oval Cabochon 47.05 x 17.30 x 4.14 mm Australia max622

  $34.00
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  Marra mamba 32.85 ct Oval Cabochon 34.37 x 23.32 x 4.32 mm Australia max623

  $41.00
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  Marra mamba 33.29 ct Oval Cabochon 37.16 x 23.38 x 4.10 mm Australia max624

  $42.00