Lot 199. An emerald, sapphire and diamond necklace, by Cartier, circa 1912. Estimate £14,000 - £18,000 ($27,594 - $35,478). Price Realized £54,000 ($106,434).Photo Christie's Image Ltd 2006 The fluted emerald drop with sapphire and diamond cap to the...

Lot 499. Rare steel and diamond tiara, Cartier, circa 1912. Estimate 500,000 — 700,000 CHF. Lot sold 538,000 CHF . Photo: Sotheby's. Of scallop design, the curved blackened steel band bordered at the top with two rows of circular-cut diamonds, the bottom...

A natural pearl and diamond necklace, Theodore B. Starr, circa 1912. Photo courtesy Bonhams. comprising seventy-one off-round graduated pearls, measuring approximately 8.60 x 9.36 to 4.50mm., completed by a rectangular-cut diamond clasp; signed T.B. Starr,...