Jewellery, gems

Sapphire and diamond bracelet and ring (Bracciale ed anello in zaffiri e...

Sapphire and diamond bracelet and ring(Bracciale ed anello in zaffiri e diamanti) Bracelet of flower design decorated with a line of oval sapphires and brilliant- and navette- cut diamonds, length approximately 175mm, ring set with a pear-shaped sapphire flanked by graduated tapered baguette diamond shoulders, size 53. (Bracciale decorato con zaffiri di taglio ovale e diamanti taglio brillante e...

Price: €8,000 - €12,000
ca. US$9,248 - US$13,873

Date: 12 Oct 2021 - 21 Oct 2021

Van Cleef & Arpels Platinum and Diamond Bracelet

Van Cleef & Arpels Platinum and Diamond Bracelet Centering a continuous slightly tapered line of 50 rectangular and square step-cut diamonds ap. 13.00 cts., edged by 88 round diamonds ap. 16.00 cts., signed Van Cleef & Arpels, N.Y., no. 59989 , ap. 39.8 dwts. Length 7 1/4 inches. With signed box. C The Estate of an Italian Philanthropic Family
Diamonds: G-H-I-several J (square step-cuts)-VS...

Price: US$30,000 - US$50,000

Date: 21 Oct 2021

Double clip pearl, diamond and sapphire brooches and a pearl and diamond...

Double clip pearl, diamond and sapphire brooches and a pearl and diamond bar brooch(Doppie clip in perle, zaffiri e diamanti e una spilla a barra in perla e diamanti) Comprising: a pair of double clip brooches of open work design, decorated with seed pearl, cabochon sapphires and pavé-set with baguette, circular- and single-cut diamonds, and a brooch, decorated at the center with a pearl...

Price: €4,000 - €7,000
ca. US$4,624 - US$8,092

Date: 12 Oct 2021 - 21 Oct 2021

Cartier Gold, Platinum, Coral, Diamond and Sapphire Bird Clip-Brooch, France

Cartier Gold, Platinum, Coral, Diamond and Sapphire Bird Clip-Brooch, France 18 kt., the swooping bird with textured feathers tipped by platinum-set round and single-cut diamonds, its body encrusted with round sapphires, the head capped by round diamonds, diamonds totaling ap. .95 ct., with 2 pear-shaped emerald eyes, and slender elongated coral beak, signed Cartier Inc., Made in France, no...

Price: US$6,000 - US$8,000

Date: 21 Oct 2021

Tiffany & Co., Schlumberger Gold, Platinum, Colored Stone and Diamond Bracelet

Tiffany & Co., Schlumberger Gold, Platinum, Colored Stone and Diamond Bracelet 18 kt., the overlapping ribbed ribbons centering a line of triplets of 42 platinum-set round diamonds ap. 1.25 cts., embellished by 84 marquise-shaped citrines, peridots and pink tourmalines, signed Tiffany & Co., Schlumberger, ap. 53.4 dwts. Length 7 inches. C Collection of a Philadelphia Lady
Tourmalines: bright...

Price: US$10,000 - US$15,000

Date: 21 Oct 2021

Chaumet Paris Platinum, Aquamarine, Sapphire and Diamond Clip-Brooch

Chaumet Paris Platinum, Aquamarine, Sapphire and Diamond Clip-Brooch Designed as two flowers, one flower centering 11 old European-cut diamonds ap. 2.75 cts., encircled by 11 oval aquamarines, one flower centering a cluster of 7 round sapphires encircled by 12 tapered baguette aquamarines, the leaves, veins and stems set with 41 old European, round, and single-cut and 21 baguette diamonds ap. 6.00...

Price: US$4,000 - US$6,000

Date: 21 Oct 2021

Van Cleef & Arpels Gold and Diamond 'Alhambra' Band Ring, France

Van Cleef & Arpels Gold and Diamond 'Alhambra' Band Ring, France 18 kt., 7 round diamonds ap. .30 ct., signed VCA, with maker's mark and French assay mark , ap. 6.6 dwts. Size 6 1/2. With signed pouch. C Property of a Lady
Normal wear, minor scratches. Width 1/4 to 3/16 inch...

Price: US$800 - US$1,200

Date: 20 Oct 2021

René Boivin Gold and Diamond Starfish Brooch, France

René Boivin Gold and Diamond Starfish Brooch, France 18 kt., the scaled starfish centering one old-mine cushion-shaped diamond weighing 1.78 cts., signed René Boivin, with French assay mark , ap. 10 dwts. The diamond has been weighed. C...

Price: US$5,000 - US$7,000

Date: 21 Oct 2021

René Boivin Pair of Silver, Gold, Frosted Rock Crystal and Ruby Earclips...

René Boivin Pair of Silver, Gold, Frosted Rock Crystal and Ruby Earclips, France 18 kt., 2 rounded triangular-shaped domed frosted rock crystal ap. 16.0 x 16.4 x 9.0 mm., 48 round rubies, signed R. Boivin, with maker's mark and French assay mark . C
Rubies: deep to dark raspberry, slightly to moderately included, several small chips, lively. Clip-backs. 1 1/8 x 1 1/8 inches...

Price: US$3,000 - US$4,000

Date: 20 Oct 2021

Belle Époque Platinum, Aquamarine and Diamond Bracelet

Belle Époque Platinum, Aquamarine and Diamond Bracelet Set with 3 emerald-cut aquamarines ap. 25.00 cts., joined by articulated bow and garland links of small single-cut diamonds, centering 3 collet-set old European-cut diamonds ap. 1.80 cts., joined and accented by 60 collet-set old European and transitional-cut diamonds ap. 3.40 cts., circa 1915, ap. 23 dwts. Length 7 1/2 inches. C The Estate of...

Price: US$5,000 - US$7,000

Date: 21 Oct 2021