Through her gem portfolios, Hangartner works with clients to use gemstones for wealth preservation. With the diamond market in turmoil, only exceptional stones in size and quality, especially coloured ...
In the world of gemmology, the South American country of Brazil plays host to a variety of precious gemstones.
AUSTIN, Texas, March 05, 2025 (GLOBE NEWSWIRE) -- Diamonds? They're everywhere. For every 10,000 of them mined, only one Paraiba Tourmaline is discovered. But isn't luxury measured by rarity?
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