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30 Most Expensive Green Gemstones, Ranked by Price
The most popular shade is a bright bluish-green, which resembles the much more expensive Paraiba tourmaline. Gem-quality ...
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On the trail of the Paraiba tourmaline: In search of one of the world's rarest gemstones
His Starburst cuff from the Skye collection features 59 carats of neon turquoise Paraiba stones, while the Mystic Cove collection, features cocktail rings and necklaces with lagoon-blue Paraibas ...
From sentiment to strategy: the dual value of coloured gemstones
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 ...