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Need expert confirmation: Is this Natural Black Jet? And is this Natural “ruby” corundum? Seller claims don’t match gemological science
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1
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15
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September 15, 2026
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New Paraiba Tourmaline locality
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5
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91
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September 13, 2026
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Struers Diamond Compound – What Matters in Practice?
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0
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16
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September 11, 2026
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sapphire with inclusions of mic
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85
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1923
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September 8, 2026
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Which Precision Abrasives Work Best for Fine Finishing?
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3
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156
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September 4, 2026
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Inclusions in sapphire
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12
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264
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August 23, 2026
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Precise centering of stone on dop
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2
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82
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August 18, 2026
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Diamond Drill for YAG – Tips?
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4
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151
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August 12, 2026
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Precision Saws – What Features Matter Most?
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2
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66
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August 12, 2026
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I have this rough iolite
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5
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216
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July 31, 2026
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Natural Rough Sea Foam Green/ Blue Aquamarine
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1
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116
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July 31, 2026
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More windowing?
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3
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246
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July 17, 2026
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Looking for precision cutter!
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11
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211
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July 10, 2026
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What went wrong in polishing?
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3
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392
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July 3, 2026
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Syntetic or natural sapphire
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4
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516
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July 3, 2026
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Mali Garnet Rare Neon Lime Green and Bright yellow
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5
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132
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June 29, 2026
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Windowing?
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10
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169
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June 26, 2026
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Was this a good purchase?
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14
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1139
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June 25, 2026
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Aquamarine value
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10
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212
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June 25, 2026
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Help to Identify Pendant Stone
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2
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189
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June 25, 2026
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Large Myanmar Ruby
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8
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247
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June 25, 2026
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Where to Sell Uncertified Breakouts
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7
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164
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June 24, 2026
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New Private Jeweler
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2
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62
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June 18, 2026
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Rhodonite from Conselheiro Lafayete/Minas Gerais/Brasil
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6
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218
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June 5, 2026
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Best option to sell colored stones from our 7 stores
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10
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456
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May 31, 2026
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My new Gemcutting book is now available
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2
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1320
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May 30, 2026
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Help with sourcing bundles of mixed gems for student practice
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4
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137
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May 29, 2026
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Origin and treatment of a star sapphire
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2
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189
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May 25, 2026
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Introducing Rathna Legacy Gems from Sri Lanka 🇱🇰
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2
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66
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May 24, 2026
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Diamond Router Bits for Precision Profiling
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0
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40
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May 14, 2026
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