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Join date: Sep 6, 2025
About
Rahul Jain is the seventh-generation director of Caram, a family gemstone house founded in Germany in 1975. He advises private collectors, inheritors, and trade buyers on rare colored gemstone valuation, provenance, and bespoke commissions. Rahul completed the Advanced Coloured Gemstone Course at the Swiss Gemmological Institute (SSEF) and the Gübelin Academy Professional Course, and holds an MBA from the Tuck School of Business at Dartmouth and a B.S. summa cum laude from Babson College. Caram has been an Accredited Ethical Member of the International Colored Gemstone Association (ICA) since the association's founding congress in Idar-Oberstein in 1985.
Posts (43)
Sep 7, 2026 ∙ 7 min
Mahenge Spinel: The Modern Collector’s Pink
Spinel from Mahenge, Tanzania changed what collectors expect a pink stone to do. What the name actually promises, what separates a fine Mahenge spinel from a merely bright one, how it stands beside pink sapphire and padparadscha, and why documentation still matters for an untreated stone.
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Sep 4, 2026 ∙ 3 min
Caram at Jewellery & Gem World Hong Kong 2026
Caram is exhibiting at Jewellery & Gem WORLD Hong Kong, 14–18 September 2026, in the Fine Gem Pavilion at AsiaWorld-Expo, Booth 7R-28 — with a curated selection of rare emeralds, sapphires, and rubies. Share your brief and we'll have a selection ready.
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Sep 1, 2026 ∙ 11 min
Imperial Jade: The Stone the Qing Court Valued Above All Others
For most of Chinese history, jade outranked gold — and at the Qing court, imperial jade stood above every other stone. What that phrase actually describes, why jadeite and nephrite are two different minerals sharing one word, and how fine jade is judged by an eye that knows what to look for.
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