The historic fancy vivid blue diamond set to headline Christie’s Geneva sale next month could sell for up to $50 million.

The historic fancy vivid blue diamond set to headline Christie’s Geneva sale next month could sell for up to $50 million.

23-Carat ‘Golconda Blue’ Heads to Auction   Lauren McLemorelauren.mclemore@nationaljeweler.com At its upcoming Geneva jewelry auction, Christie’s will offer the 23.24-carat “Golconda Blue,” a rare blue diamond with more than 250 years of history and ties to...
Mozambique Rubies Pricing Soar

Mozambique Rubies Pricing Soar

The value of US Republic’s Resources Mozambique’s “rough” ruby cut/polish transaction just increased exponentially (as did its per carat selling price), …This, as result of …“Cyclone Chido devastates Mozambique” and, … “flooded mines …”. “Cyclone Chido...