Van Cleef & Arpels Gold and Diamond Dome Ring18 kt., 91 round diamonds ap. 4.35 cts., signed VCA,

18 kt., round diamonds ap. 2.00 cts., small round cabochon emerald eye, signed VCA, no. 06232.H1, with French assay marks, ap. 2.6 dwts. With signed box.

Van Cleef & Arpels White Gold and Diamond 'Alhambra' Necklace, France 18 kt., 10 single-sided diamond-set clovers, 120 round diamonds ap. 5.95 cts., signed VCA, no. BL 16262, with maker's mark and Fre

Van Cleef & Arpels Gold, Diamond and Cabochon Ruby Necklace 18 kt., 41 round diamonds ap. .50 ct., 2 round cabochon rubies, signed VCA, no. B 4330 0 3, with maker's mark, one diamond missing, ap. 30.5

Kurt Wayne Gold and Diamond Dome Ring 18 kt., 167 round diamonds ap. 6.50 cts., signed KW, no. 10284, ap. 5.6 dwts. Size 8. C From the Collection of a Los Altos Hills Lady

Kurt Wayne Gold and Diamond Dome Ring 18 kt., 104 round diamonds ap. 6.50 cts., signed KW, no. 102135, ap. 12.7 dwts. Size 8. C From the Collection of a Los Altos Hills Lady

Van Clief Gold, Platinum and Diamond Brooch 18 kt., 101 round and 9 single-cut diamonds ap. 5.25 cts., signed Van Clief, ap. 17.7 dwts. C

Van Cleef & Arpels Pair of Gold and Sapphire Earclips and Clip-Brooch, France 18 kt., 42 round sapphires ap. 6.00 cts., signed Van Cleef & Arpels nos. 19370 and 11508 CS, with maker's marks and French

Van Cleef & Arpels Diamond, lapis lazuli, and gold cufflinks Each set with carved lapis lazuli and round brilliant-cut diamonds 18k yellow gold Signed VCA, numbered, with maker's mark for Lasbleiz F

VAN CLEEF & ARPELS, A VINTAGE DIAMOND RING, 1970S in 18ct yellow gold, the tapering band pave set round brilliant cut diamonds within a gold border, signed VCA and numbered, French assay marks for 18c

Van Cleef & Arpels Palmyre Diamond and 18 Karat White Gold 4-Row Earrings. Set with 11.87 carat TW fifty-eight round brilliant cut diamonds, D color, VVS-VS clarity. Signed VCA, stamped Au750, numbere

Van Cleef & Arpels Cosmos Between The Finger Diamond and 18 Karat White Gold Ring. Set with approx. 2.65 carat TW round brilliant cut diamonds D-E-F color, IF-VVS clarity. Signed VCA AU750 56 JA156239

Kurt Wayne Pair of Gold and Diamond Earrings 18 kt., 182 round diamonds ap. 10.50 cts., signed KW, no. 92944, ap. 10.5 dwts. C From the Collection of a Los Altos Hills Lady

Hammerman Brothers Flexible Gold and Diamond Band Ring 18 kt., 120 round diamonds ap. 7.20 cts., signed HB, ap. 8.8 dwts. Size 6 3/4. C

Kurt Wayne Pair of Gold and Diamond Bombé Earrings 18 kt., 146 round diamonds ap. 9.75 cts., signed KW, no. 0901, ap. 18.3 dwts. C From the Collection of a Los Altos Hills Lady

David Webb Hammered Gold, Platinum and Diamond Flower Clip-Brooch 18 kt., 9 round diamonds ap. 1.85 cts, signed Webb, ap. 36.6 dwts. C

Pair of White Gold and Diamond Earrings 18 kt., 54 round and 44 baguette diamonds ap. 4.00 cts., signed Facets, ap. 9 dwts. C

Kurt Wayne Pair of Gold and Diamond Earrings 18 kt., 40 round and 2 tapered baguette diamonds ap. 6.30 cts., signed KW, no. 98429, ap. 8.8 dwts. C From the Collection of a Los Altos Hills Lady

Chopard Pair of White Gold, Diamond and Sapphire Heart Earclips 18 kt., 104 round diamonds ap. 3.75 cts., round sapphires, signed Chopard, nos. 2669622, 84/4934/3, ap. 12.5 dwts. C

Van Cleef & Arpels Platinum and Diamond Band Ring Continuously set with 28 baguette diamonds ap. 5.00 cts., signed Van Cleef & Arpels, no. ML3165, with maker's mark, ap. 6 dwts. Size 7, 54. With signe

Judith Ripka White Gold and Diamond Cuff Bangle Bracelet 18 kt., 172 round and 36 baguette diamonds ap. 7.75 cts., signed Judith Ripka, ap. 71.4 dwts. Inner cir. 6 1/2 inches, with open back. C

Tiffany & Co., Schlumberger Gold, Platinum and Diamond 'Ibex' Brooch 18 kt., round diamonds ap. 1.25 cts., one pear-shaped ruby eye, signed Tiffany & Co., Schlumberger, ap. 13.8 dwts. With signed box.

Tiffany & Co., Elsa Peretti Long Gold and Diamond 'Diamonds by the Yard' Chain Necklace 18 kt., 12 collet-set round diamonds ap. 1.70 cts., signed Tiffany & Co., Peretti, ap. 4 dwts. Length 36 inches.

Cartier Gold, Platinum and Diamond Leaf Bracelet, France 18 kt., 14 round and 66 single-cut diamonds ap. 1.65 cts., signed Cartier, Made in France, ap. 29.7 dwts. Length 7 1/8 inches. With signed box.

Tiffany & Co. Pair of Gold, Turquoise and Diamond Earclips 18 kt., 2 pear-shaped cabochon turquoise ap. 22.0 x 14.0 mm., 14 round diamonds ap. 1.05 cts., signed Tiffany & Co., pat. no. 2423905, ap. 16