gemstone auction

Paraíba Tourmalines Fetch $ 3.4 Million at Sotheby’s High Jewellery Auction

Paraíba Tourmalines Fetch $ 3.4 Million at Sotheby’s High Jewellery Auction

diamond world news service

19 Jun 2026

1 min read

Christie’s to Auction 15.49ct Kashmir Sapphire Ring in New York

Christie’s to Auction 15.49ct Kashmir Sapphire Ring in New York

diamond world news service

21 May 2026

1 min read

Gemrock’s Maiden Auction will Hold the Promise of Rare, High-Quality Rubies

Gemrock’s Maiden Auction will Hold the Promise of Rare, High-Quality Rubies

diamond world news service

28 Sep 2022

3 min read

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