NEW YORK, NY .- Christie’s New York announces the July 29th auction of Magnificent Jewels and the concurrent Jewels Online sale from July 22 to August 6/7. The auction includes a significant selection of colorless diamonds, colored diamonds, and gemstones,...

A set of multi-colored sapphire jewelry, by Angela Cummings. Photo Christie's Image Ltd 2014 Designed as a flexible band, set with circular-cut sapphire, yellow sapphire and pink sapphire clusters; and a bracelet en suite, mounted in 18k gold, necklace...

18 karat gold, platinum and diamond necklace, Angela Cummings for TIffany & Co., circa 1980 The collar designed as overlapping swags of matte gold scallops, many embellished with segments of pavé-set diamonds weighing approximately 6.40 carats, gross...