The “Sunrise Ruby” a 25.59-carat Burmese stone, sold for $30.3 million ($1.184 million per carat) in May, 2015. The price is a record for any ruby, a new record per carat, and for any stone by Cartier.
16.08 carat Fancy Vivid Pink Diamond, “The Sweet Josephine” $28,523,925 at Christie’s in November.
Emerald-Cut Diamond, 100.20 Carats, D-flawless — one of only six 100-carat-plus “perfect” diamonds to hit the auction block in the past 25 years — fetched $22.1 million at Sotheby’s in April
“The Crimson Flame,” 15.04 carats Burmese ruby made $18m in December 2015, setting a world auction record for a ruby of $1.2 million per carat.
The 8.72-carat cushion brilliant-cut Fancy Vivid Pink ‘Historic Pink Diamond’, which is the recut pink stone once owned by reclusive heiress Huguette Clark. $15.9 million.
Fancy Purple-Pink Diamond Ring, 8.24 carats $13,866,553 at Sotheby’s in November 2015
Fancy Intense Pink diamond, 9.07 Carats, mounted by Harry Winston, a type IIa. $12,643,776 at Christie’s
Etcetera Ruby and Diamond Latticework Necklace, 120.74 Carats. $13,006,656 at Christie’s.
Rectangular-cut 5.18-carat Fancy Vivid Pink diamond ring $10,709,443 at Christie’s