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ONYX AND TURQUOISE BRACELET, BY CARTIER Formed of a twist of eleven rows of onyx balls, the dome-shaped clasp punctuated with turquoise cabochons, circa 1950, 18 cm., Gross weight: 65.43 gr., 18K yellow gold setting (750), French punches Signed Cartier Paris

ONYX AND TURQUOISE BRACELET, BY CARTIER Formed of a twist of eleven rows of onyx balls, the dome-shaped clasp punctuated with turquoise cabochons, circa 1950, 18 cm., Gross weight: 65.43 gr., 18K yellow gold setting (750), French punches Signed Cartier Paris

Platinum, Multi-Colored Sapphire and Diamond Necklace The flexible necklace set with alternating pink, purple, blue, green, yellow and orange sapphires, accented by oval-shaped diamonds, length 18 inches.

Platinum, Multi-Colored Sapphire and Diamond Necklace The flexible necklace set with alternating pink, purple, blue, green, yellow and orange sapphires, accented by oval-shaped diamonds, length 18 inches.

14kt Gold and Gem-set Brooch, Russia, designed as an insect with garnet cabochon body and diamond wings, lg. 1 1/2 in.

14kt Gold and Gem-set Brooch, Russia, designed as an insect with garnet cabochon body and diamond wings, lg. 1 1/2 in.

Two-Color Gold and Multicolored Sapphire Necklace and Pair of Earclips, Buccellati 18 kt. yellow & white gold, 98 round blue, pink & yellow sapphires ap. 19.00 cts., necklace signed Buccellati, no. C4426, earrings signed Buccellati, no. C5708 & C5108, ap. 45.2 dwts. Length 16 inches.  Estimate: $15,000 - $20,000

Two-Color Gold and Multicolored Sapphire Necklace and Pair of Earclips, Buccellati 18 kt. yellow & white gold, 98 round blue, pink & yellow sapphires ap. 19.00 cts., necklace signed Buccellati, no. C4426, earrings signed Buccellati, no. C5708 & C5108, ap. 45.2 dwts. Length 16 inches. Estimate: $15,000 - $20,000

Arts and Crafts Gold Gem-set Necklace, Arthur and Georgie Gaskin, c. 1909, the central pendant with bezel-set opals framed by old mine-cut diamonds, pink tourmalines, seed pearls, and green glass in a foliate motif, suspended from three strands of delicate trace link chain joined to larger gem-set links, reverse with floral decoration, unsigned, lg. 16 1/2 in.

Arts and Crafts Gold Gem-set Necklace, Arthur and Georgie Gaskin, c. 1909, the central pendant with bezel-set opals framed by old mine-cut diamonds, pink tourmalines, seed pearls, and green glass in a foliate motif, suspended from three strands of delicate trace link chain joined to larger gem-set links, reverse with floral decoration, unsigned, lg. 16 1/2 in.

NECKLACE RUBIS, SAPPHIRE, EMERALD, PEARLS OF CULTURE AND DIAMONDS Formed of links of geometric shapes, some with old-fashioned diamonds, other cultured pearl, the main set of diamonds cushion-shaped, marquise and rectangular, rubies, sapphire or Emerald oval with old-fashioned diamonds, size 8/8 and baguette and cultured pearls, transformations, 39 cm., Gross weight: 107.80 gr., Frame in 18K yellow gold (750) And platinum (850) probably carried out by René Boivin.

NECKLACE RUBIS, SAPPHIRE, EMERALD, PEARLS OF CULTURE AND DIAMONDS Formed of links of geometric shapes, some with old-fashioned diamonds, other cultured pearl, the main set of diamonds cushion-shaped, marquise and rectangular, rubies, sapphire or Emerald oval with old-fashioned diamonds, size 8/8 and baguette and cultured pearls, transformations, 39 cm., Gross weight: 107.80 gr., Frame in 18K yellow gold (750) And platinum (850) probably carried out by René Boivin.

Multi-Stone, Diamond, Gold Bracelet The bracelet features round-cut rubies weighing a total of approximately 3.65 carats, enhanced by round-cut sapphires weighing a total of approximately 3.65 carats, complemented by turquoise cabochons measuring 2.00 - 2.75 mm, accented by single-cut diamonds weighing a total of approximately 0.50 carat, set in 18k gold. Gross weight 80.40 grams. Dimensions: 7-1/4 inches x 1-3/16 inches

Multi-Stone, Diamond, Gold Bracelet The bracelet features round-cut rubies weighing a total of approximately 3.65 carats, enhanced by round-cut sapphires weighing a total of approximately 3.65 carats, complemented by turquoise cabochons measuring 2.00 - 2.75 mm, accented by single-cut diamonds weighing a total of approximately 0.50 carat, set in 18k gold. Gross weight 80.40 grams. Dimensions: 7-1/4 inches x 1-3/16 inches

Two-Color Gold, Diamond and Cabochon Ruby Swan Pendant-Brooch 18 kt. yellow & white gold, round diamonds ap. 7.55 cts., one pear-shaped cabochon ruby, ap. 23.5 dwts.

Two-Color Gold, Diamond and Cabochon Ruby Swan Pendant-Brooch 18 kt. yellow & white gold, round diamonds ap. 7.55 cts., one pear-shaped cabochon ruby, ap. 23.5 dwts.

Enchanting late-Victorian/early-Edwardian jewel,  two and three-eighths inches long, dating from the turn-of-the-twentieth-century, glistens and glows with a featured pair of pastel blue aquamarines,  crowned with a diamond bow, garlanded in small lime demantoid garnets, and glittering with tiny old mine and rose-cut diamonds. Elegantly handcrafted in three hinged sections in darkened silver over rosy gold.

Antique Aquamarine, Demantoid and Diamond Pendant Necklace

Enchanting late-Victorian/early-Edwardian jewel, two and three-eighths inches long, dating from the turn-of-the-twentieth-century, glistens and glows with a featured pair of pastel blue aquamarines, crowned with a diamond bow, garlanded in small lime demantoid garnets, and glittering with tiny old mine and rose-cut diamonds. Elegantly handcrafted in three hinged sections in darkened silver over rosy gold.

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