Leslie Hindman Auctioneers presents Important Jewelry Aug. 27

Important 31.61 carat antique cushion-cut fancy intense yellow diamond. Estimate $275,000-325,000. Leslie Hindman Auctioneers image

CHICAGO – Leslie Hindman Auctioneers’ Important Jewelry auction on Monday, Aug. 27 is awash in fancy colored diamonds as well as top designer pieces. Absentee and Internet live bidding is available through LiveAuctioneers.

Gracing the catalog cover lot is an important 31.61 carat antique cushion-cut fancy intense yellow diamond measuring approximately 17.19 by 17.06 by 14.12 millimeters. The loose diamond (above) is accompanied by a Gemological Institute of America colored diamond grading certificate number 6197271646, dated April 9, 2018, stating color: natural, fancy intense yellow, even; clarity: VS1; table: 57 percent, depth: 82.8 percent; polish: good; symmetry: good; fluorescence: none (est. $275,000-325,000).

An equally important platinum, fancy colored diamond and diamond ring (below) containing a fancy intense green-blue diamond weighing 1.55 carats, a pair of fancy intense pink-purple diamonds and 57 round brilliant cut diamonds has a $200,000-$300,000 estimate. The ring is an approximate size 6.25.

Platinum, fancy colored diamond and diamond ring. Estimate $200,000-300,000. Leslie Hindman Auctioneers image

A pair of platinum, fancy colored diamond and diamond drop earrings, each having two
radiant cut fancy vivid yellow diamonds weighing 1.08 to 1.16 carats and one pear-shape brilliant cut fancy deep orangy pink diamond weighing 0.62 carat and 12 round brilliant cut diamonds weighing approximately 0.03 carat total ($100,000-$150,000).

Pair of platinum, fancy colored diamond and diamond earrings. Estimate $100,000-$150,000. Leslie Hindman Auctioneers image

From Tiffany & Co. is an Edwardian Yogo Gulch, Montana, sapphire and diamond bracelet that which contains 10 oval mixed cut sapphires (est. $140,000-$240,000).

Edwardian Yogo Gulch, Montana, sapphire and diamond bracelet. Estimate $140,000-$240,000. Leslie Hindman Auctioneers image

Designed by Jacques Timey for Harry Winston, a platinum and diamond articulated brooch consists of a center cluster containing one round brilliant cut diamond weighing approximately 1.25 carats, five pear-shape brilliant cut diamonds weighing approximately 3.50 carats total, and seven marquise cut diamonds weighing approximately 3.70 carats, while the five petals contain 117 round brilliant cut diamonds weighing approximately 5.85 carats total ($25,000-$35,000).

Platinum and diamond articulated brooch, Jacques Timey for Harry Winston, 19.80 diamond total weight. Estimate $25,000-35,000. Leslie Hindman Auctioneers image

Just for fun, a retro yellow gold, platinum, diamond, ruby, sapphire and colored diamond bird brooch by Oscar Heyman and Brothers carries a patriotic look. The brooch is accompanied by an Oscar Heyman Inc. certificate of authenticity, dated July 24, 2018, stating that the gold, platinum, ruby, sapphire and diamond clip, #28951, was manufactured by Oscar Heyman and Brothers in 1940.

Retro yellow gold, platinum, diamond, ruby, sapphire and colored diamond bird brooch, Oscar Heyman and Brothers, circa 1940, 17.20 total diamond weight. Estimate $2,000-3,000. Leslie Hindman Auctioneers image

The auction will be conducted Monday, Aug. 27, beginning at 10 a.m. Central/11 a.m. Eastern.