ART DECO EMERALD AND DIAMOND BROOCH
Rectangular-cut emeralds, circular-cut diamonds, gold and platinum, 1930s, 4.5 cm
CHF 4,000 - 6,000
USD 4,000 - 6,000
EUR 3,600 - 4,500
Brand Unsigned
Year circa 1930s
Sold: CHF 4,375
Emerald-cut emerald of 26.72 carats, marquise-cut diamonds, gold, 1960s, size 55 GEM PARIS 2016, report no 20161972502-1, 26.72 carats, Colombia, modification by minor impregnation with oil not significantly affecting the appearance of the stone
CHF 25,000 - 35,000
USD 25,000 - 35,000
EUR 22,500 - 31,500
Brand Unsigned
Year circa 1960s
Sold: CHF 25,000
ART DECO EMERALD AND DIAMOND EAR PENDANTS
Pear-shaped emeralds of 3.19 carats, circular-cut diamonds, platinum and gold, 1930s, 3.8 cm AGL, 2000, report no. CS 34236 : 3.19 carats, Colombian, faint oil and faint to moderate oil
CHF 10,000 - 15,000
USD 10,000 - 15,000
EUR 9,000 - 13,500
Brand Unsigned
Year circa 1930s
Sold: CHF 11,250
EMERALD AND DIAMOND SNAKE NECKLACE AND EARRINGS SET, FABRIZIO CANTAMESSA
Circular and marquise-cut emeralds, circular-cut diamonds, silver and gold, 1998, earrings : 3.5 cm, necklace 23.5 cm “The light of a jewel is able to bring out the beauty and personality of (any) woman” Fabrizio Cantamessa
CHF 30,000 - 40,000
USD 30,000 - 40,000
EUR 27,000 - 36,000
Brand Fabrizio Cantamessa
Year circa 1998
SAPPHIRE AND DIAMOND “TROMBINO” RING, BULGARI
Cabochon sapphire, baguette and circular-cut diamonds, platinum (French mark), 1960s, signed Bvlgari
CHF 15,000 - 20,000
USD 15,000 - 20,000
EUR 13,500 - 18,000
Brand Bulgari
Year circa 1960s
Sold: CHF 16,250
SAPPHIRE AND DIAMOND EARRINGS, HARRY WINSTON
Circular-cut sapphires, circular-cut diamonds, gold, 1980s, 2.5 cm, maker’s mark
CHF 5,000 - 7,000
USD 5,000 - 7,000
EUR 4,500 - 6,300
Brand Harry Winston
Year circa 1980s
Octogonal-cut sapphire, circular-cut diamonds, platinum, 1960s, size 51 GCS London 2018, report no 79817-66, 10 carats approx., Burma (Myanmar), no indications of heating
CHF 50,000 - 80,000
USD 50,000 - 80,000
EUR 45,000 - 73,000
Brand Unsigned
Year circa 1960s
Cabochon sugarloaf sapphire of 14.33 carats, tapers diamonds, gold (French mark), size 56 GRS 2019, report no GRS2019-047935, 14.33 carats, Burma (Myanmar), no indications of heating
CHF 20,000 - 30,000
USD 20,000 - 30,000
EUR 18,000 - 27,000
Brand Unsigned
Year circa 2019
Sold: CHF 25,000
SAPPHIRE AND DIAMOND BALLERINA RING
Oval-cut sapphire, tapers, baguette and circular-cut diamonds, platinum (French mark), 1960s, size 51
CHF 10,000 - 15,000
USD 10,000 - 15,000
EUR 9,000 - 13,500
Brand Unsigned
Year circa 1960s
Sold: CHF 11,250
Oval-cut sapphire of 3.33 carats, circular-cut sapphires and diamonds, 14K (585) gold, size 52 GRS 2011, report no GRS2011-021601, 3.33 carats, Sri Lanka, no indication of thermal treatment
CHF 13,000 - 15,000
USD 13,000 - 15,000
EUR 11,700 - 13,500
Brand Unsigned
Year circa 2011
Sold: CHF 15,000
NATURAL PEARL AND DIAMOND EAR PENDANTS
Baroque drop-shaped and button-shaped natural pearls, old-cut diamonds, gold and platinum, 6.5 cm GIA, 2019, report no. 105851, saltwater natural pearls SSEF 2019, report no 105851, 20 natural pearls, the analysed properties confirm the authenticity of these saltwater natural pearls
CHF 50,000 - 80,000
USD 50,000 - 80,000
EUR 45,000 - 80,000
Brand Unsigned
Year circa 2019
Circular, square, baguette, triangular and fancy-cut diamonds, platinum (French mark), 1930s, 19 cm, no 654
CHF 60,000 - 80,000
USD 60,000 - 80,000
EUR 55,000 - 73,000
Brand Unsigned
Year circa 1930s
Sold: CHF 65,000
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