Designed specifically for industry professionals, the masterclass focused on practical and market-relevant gemological ...

LONDON, ENGLAND - OCTOBER 22: A rare ruby and diamond necklace and ruby earings from the 19th Century are displayed at Sotheby's in London. (Photo by Peter Macdiarmid/Getty Images) A teacher I had at ...

The demand for gemstones is increasing, and fake gemstones are becoming a prominent and difficult-to-tackle problem in the jewelry and gemstone industries. Synthetic, fake, and enhanced gemstones can ...

Synthetic gem-crystals are available since the late 1800s and their production processes were more and more refined. Later, starting in the 1950s, diamond was available via different types of ...