Oscar Heyman Alexandrite Ring, Kunzite Pendant Necklace Lead Kingston Auction House’s Upcoming Sale

Oscar Heyman & Brothers, an American fine jewelry design and manufacturing house, was founded by Oscar, Nathan, and Harry Heyman in 1912 in New York City. The company is famous for its use of colored gemstones. An Oscar Heyman alexandrite and diamond ring is a key highlight of this upcoming sale, offered by Kingston Auction House. Set in a platinum mounting, the rare oval alexandrite weighs 2.79 carats. Originating in India, the stone comes with AGL and GIA certificates. Another noteworthy colored stone lot in this event is a kunzite and diamond gold pendant necklace. Fashioned in 18-karat white gold, the chain measures 18.5 inches long. The pendant features a round fantasy-cut kunzite, accentuated by 50 round brilliant-cut diamonds, weighing approximately 1.0 carat. Two Italian gold necklaces also highlight the auction. One is styled with interlocking links, whereas the other comprises emerald- and square-cut rubies and round diamonds. 

A Praschnik diamond and gold bangle is equally striking. It is designed in 18-karat yellow gold and studded with 37 round brilliant-cut diamonds, weighing 1.50 carats. To view the complete catalog and register to bid in the upcoming Fine Jewelry Auction, visit Bidsquare and browse other online auctions.