Move reflects market shift to higher-value diamonds.
Category: Polished
Ring from Heidi Horten collection garners $14.6 million.
5.02-carat emerald cut fetches $175,000 in Dallas, Texas.
Swan Lake Suite features diamonds and cultured South Sea pearls.
Collector Heidi Horten’s husband made his fortune during Third Reich.
Ring is expected to fetch up to HKD 8.8 million ($1.1 million).
11.16-carat, fancy-vivid stone has remained in the same European collection since its debut in 1970.
Jewelry from the Wolf Family garnered $8 million against a high presale price of $6 million.
Jewel sells for just over $145,000 at Fellows.
Piece from estate of Lady Leslie Ridley-Tree smashes estimate.
Platinum ring featuring 8.56-carat stone is top lot at May 8 event.