This article is more than 7 years old. A 3.09-carat rectangular-cut fancy intense blue diamond sold for more than $5.3 million, setting a world record price per carat for an intense blue diamond.

It was a wide and varied offering of diamonds, colored gems and signed jewels, but the star of the two days was a 3.47-carat fancy intense blue diamond that sold for $6.66 million, smashing its $2 ...

Further highlights of the 250-lot auction include a 101-carat diamond, which is expected to fetch up to US$3.5 million; an emerald-cut diamond ring by Graff, with a presale estimate of between US ...

May 25, 2023 Bulgari’s Dazzling Sapphire and Diamond Necklace Just Sold for $3.4 Million at Auction The bling has a giant 118.5-carat “royal blue” gem at the center.