DIAMOND LINE BRACELET, BOUCHERON
Square-cut diamonds, platinum (French mark), 1960s, 18 cm, signed Boucheron
CHF 40,000 - 50,000
USD 40,000 - 50,000
EUR 36,000 - 45,000
Brand Boucheron
Year circa 1960s
Sold: CHF 50,000
SAPPHIRE AND DIAMOND “ISTAMBOUL” EARRINGS, CARTIER
Cushion-shaped sapphires, baguette-cut diamonds, gold and platinum, 2000s, 2.5 cm, signed Cartier, no 702269, Cartier red fitted case Gübelin 2017, report no 17090112/1 and 2, Madagascar, no indication of heating
CHF 50,000 - 60,000
USD 50,000 - 60,000
EUR 45,000 - 55,000
Brand Cartier
Year circa 2000s
Sold: CHF 56,250
Old cushion-shaped diamond, 11.88 carats, platinum, size 52
CHF 80,000 - 120,000
USD 80,000 - 120,000
EUR 73,000 - 116,000
Brand Unsigned
Square-cut diamonds, platinum, 1930s, 17 cm, signed Cartier, no 817594, red Cartier fitted case
CHF 150,000 - 200,000
USD 150,000 - 200,000
EUR 130,000 - 180,000
Brand Cartier
Year circa 1930s
SAPPHIRE AND DIAMOND RING, BULGARI
Cushion-shaped sapphire of 17.52 carats, marquise and circular-cut diamonds, platinum (900) and gold, 1960s, signed Bvlgari SSEF 2017, report no 95656, 17.52 carats, Burma (Myanmar), no indications of heating
CHF 200,000 - 300,000
USD 200,000 - 300,000
EUR 180,000 - 270,000
Brand Bulgari
Year circa 1960s
Sold: CHF 237,500
EXCEPTIONAL PYROPE SPESSARTITE GARNET RING
Cushion-shaped pyrope spessartite color change garnet of 25.81 carats, trapeze and circular-cut diamonds, platinum and gold, 2000s, size 53 GIA 2018, report no 1308956787, Pyrope Spessartite Garnet, this stone exhibits a change of color when viewed under daylight or fluorescent vs incandescent light. GIA Notable letter 2018 GRS 2018, report no 2018-111938, Pyrope Spessartite Garnet, color shift from greenish brownish-pink to vivid red, Madagascar, no indication of thermal treatment
CHF 250,000 - 300,000
USD 250,000 - 300,000
EUR 230,000 - 270,000
Brand Unsigned
Year circa 2000s
Sold: CHF 275,000