Unheated 19.02-carat Ceylon sapphire ring adds flash to July 12 jewelry sale

18K white gold ring showcasing an unheated 19.02-carat Ceylon sapphire, est. $182,000-$218,000

NEW YORK – An Art Deco-era diamond and platinum riviere necklace, a pair of Harry Winston pearl, diamond and platinum earrings, and an 18K white gold ring centered on an unheated 19.02-carat Ceylon sapphire should all find enthusiastic new owners at Jasper52’s Exclusive Estate & Designer Jewelry auction, which will take place on Tuesday, July 12 at 3 pm Eastern time. Absentee and Internet live bidding will be available through LiveAuctioneers.

The 225-lot sale is packed full of prizes created by brand name boutiques, designers and firms. Additional standouts include an Oscar Heyman gold, platinum, diamond and emerald tennis bracelet; a circa-1940s double dress clip in gold, diamonds and sapphires by Rene Boivin; a Chaumet gold link bracelet; a 1970s gold and diamond cocktail ring by Andrew Clunn that boasts a 16.11-carat star sapphire; and a pair of Fred Leighton clip-on platinum, diamond and turquoise earrings.

Art Deco-era diamond and platinum riviere necklace, est. $125,000-$150,000

Favorite brands represented by multiple lots include Cartier, which contributes a gold and enamel ladybug bracelet, a circa-1980s 18K yellow and white gold chain necklace that converts to a bracelet; and a striking pair of gold and diamond hoop earrings. Bulgari appears in the form of a gold, sapphire and diamond chain bracelet; a circa-1980s pair of gold, diamond and ruby earrings; a Parentesi bracelet that unites gold and hematite; and a few iterations of its beloved Tubogas watch. Tiffany & Co. contributes a gold and tiger eye cuff bangle bracelet; a circa-1910s diamond and platinum bracelet; and a charming gold, pink quartz and gemstone brooch in the shape of a cat’s face.

The main highlights begin with the circa-1920s Art Deco diamond and platinum riviere necklace, which is estimated at $125,000-$150,000. It features 25 carats’ worth of diamonds with Old European cuts, and it measures almost 16in long.

Harry Winston pearl, diamond and platinum earrings, est. $86,000-$103,000

Equally stunning is a pair of Harry Winston pearl, diamond and platinum earrings, dating to the 1990s. The South Sea button pearls on each measure just above half an inch in diameter and are ringed by two rows of diamonds. The pair is estimated at $86,000-$103,000.

Most spectacular of all is a 19.02-carat Ceylon sapphire flanked by two trapeze diamonds and set in an 18K white gold ring. The jewelry dates to the current century and the sapphire is accompanied by a Swiss Gemological Institute gemstone report stating that there is no indication that the stone has been heated. The ring carries an estimate of $182,000-$218,000.

View top auction results on LiveAuctioneers here: https://www.liveauctioneers.com/pages/recent-auction-sales/