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120
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A DIAMOND CLUSTER RING
in 18ct gold, set with an oval cut diamond of c.0.80 carats, surrounded by a cluster of round cut diamonds, to diamond set shoulders, full British hallmarks, size N / 54, (c.2.6g)
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£600 - £800
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121
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VAN CLEEF & ARPELS: A VINTAGE DIAMOND SWIRL RING
in 18ct white gold, in a stylised chamfered design, set with round brilliant cut diamonds totalling c.0.80 carats, signed 'VCA', serial numbered, French assay marks, stamped '750', size L1/2 / 52, (c…
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£3,000 - £5,000
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122
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A DIAMOND HALF ETERNITY RING
in platinum, set with baguette cut and princess cut diamonds totalling c.1.00 carats, stamped 'PT950', size V / 64, (c.7.0g)
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£600 - £800
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£600
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123
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CARTIER: A SAPPHIRE AND DIAMOND CLUSTER RING
in platinum, set with a cushion cut sapphire of c.1.25 carats, surrounded by a cluster of pear cut and round brilliant cut diamonds totalling c.1.8-2.0 carats, signed 'Cartier' (obscured), serial…
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£6,000 - £8,000
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£6,000
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124
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A DIAMOND ENGAGEMENT RING
in 18ct gold, set with an emerald cut diamond of c.0.71 carats, flanked by tapered baguette cut diamonds, full British hallmarks, size L1/2 / 52, (c.3.3g)
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£1,000 - £1,500
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125
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A DIAMOND DRESS RING
in 18ct white gold, in a stylised openwork design, set with round brilliant cut diamonds, and decorated with beaded detailing, stamped '18K 750', size N / 54, (c.7.6g)
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£800 - £1,200
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126
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AN AMETHYST AND DIAMOND CLUSTER RING
in 9ct gold, set with a step cut amethyst of c.0.86 carats, surrounded by a cluster of round brilliant cut diamonds totalling c.0.60 carats, stamped '9K', size N / 54, (c.3.5g)
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£600 - £800
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£576
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127
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AN AQUAMARINE AND DIAMOND THREE STONE RING
in platinum, set with three oval cut aquamarines totalling c.2.13 carats, each surrounded by a border of round brilliant cut diamonds totalling c.0.43 carats, stamped 'PLAT 950', size M1/2 / 53.5, (c…
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£1,200 - £1,800
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128
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ASPREY & CO.: A RUBY AND DIAMOND THREE STONE RING
in 18ct white gold, set with a round cut ruby of c.0.50 carats, flanked by round brilliant cut diamonds totalling c.0.80 carats, maker's mark 'A&Co', stamped '18CT GOLD', size M1/2 / 53, (c.3.0g)…
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£1,200 - £1,800
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129
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A PINK TOURMALINE AND DIAMOND CLUSTER RING
in platinum, set with an oval cut tourmaline of c.6.05 carats surrounded by a cluster of round brilliant cut and baguette cut diamonds totalling c.1.00 carats, stamped 'Pt950', size J1/2 / 49.5, (c…
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£800 - £1,200
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130
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A VINTAGE SAPPHIRE AND DIAMOND THREE STONE RING
in platinum, set with a round cut sapphire of c.1.51 carats, flanked by round brilliant cut diamonds totalling c.1.2-1.4 carats, stamped 'PLATINUM', size J1/2 / 49, (c.4.0g)
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£3,000 - £5,000
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131
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AN AQUAMARINE AND DIAMOND THREE STONE RING
in platinum, set with three graduating oval cut aquamarines totalling c.4.71 carats, surrounded by a border of round brilliant cut diamonds, stamped 'Pt950', size N1/2 / 54.5, (c.6.1g)
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£600 - £800
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£600
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132
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AN EMERALD AND DIAMOND PLAQUE RING
in platinum, set with an oval cut emerald, to a navette shaped openwork plaque set with baguette cut and round brilliant cut diamonds, stamped 'PLAT' (obscured), size O / 55, (c.4.4g)
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£600 - £800
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133
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A FINE COLOMBIAN EMERALD AND DIAMOND THREE STONE RING
in 18ct white gold, set with a step cut emerald of c.1.30 carats, flanked by round brilliant cut diamonds of c.1.09 and 1.06 carats respectively, French assay marks, size L / 51, (c.6.0g),…
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£8,000 - £12,000
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134
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A BURMA NO HEAT SAPPHIRE AND DIAMOND CLUSTER RING
in silver on 18ct gold, set with an oval cut sapphire of c.3.70 carats, surrounded by a cluster of old cut diamonds totalling c.0.70 carats, no assay marks, size P1/2 / 57, (c.3.7g), verbal…
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£3,000 - £5,000
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£3,000
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135
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A PINK SAPPHIRE AND DIAMOND CLUSTER RING
in 18ct gold, set with an oval cut pink sapphire of c.2.40 carats, surrounded by a cluster of round brilliant cut diamonds totalling c.1.20 carats, no assay marks, size O / 55, (c.4.7g)
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£1,500 - £2,500
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£1,500
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136
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A DIAMOND SOLITAIRE RING
in platinum, set with an emerald cut diamond of c.3.63 carats, flanked by tapered baguette cut diamonds, full British hallmarks, size M / 52.5, (c.7.5g)
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£30,000 - £50,000
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137
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A DIAMOND HALF ETERNITY RING
in 18ct white gold, set with baguette cut and princess cut diamonds totalling c.1.7-1.8 carats, stamped '18K', size N / 54, (c.10.1g)
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£1,000 - £1,500
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138
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A DIAMOND SOLITAIRE RING
in 22ct gold, set with a round brilliant cut diamond to stylised shoulders, stamped '22CT' (obscured), size M / 52.5, (c.2.2g)
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£100 - £150
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£120
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139
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A DIAMOND HALF ETERNITY RING
in 18ct white gold, pavé-set with round brilliant cut diamonds, European control marks, stamped '750', size K / 50, (c.4.7g)
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£400 - £600
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£400
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140
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A DIAMOND DRESS RING
in 18ct gold, comprising three cushion-shaped bands, set with five round brilliant cut diamonds to the central band, flanked by bands set with further round brilliant cut diamonds, stamped '750',…
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£500 - £700
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£460
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141
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AN ART DECO DIAMOND RING
in platinum, set with an old cut diamond of c.1.20 carats, flanked by tapered baguette cut diamonds, stamped '10% IRID. PLAT', size O1/2 / 55.5, (c.5.1g)
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£3,500 - £4,500
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£3,600
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142
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A 3.97 CARAT DIAMOND SOLITAIRE RING
in platinum, set with a round brilliant cut diamond of c.3.97 carats, partial British hallmarks, size Q / 57,5, (c.6.4g)
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£15,000 - £20,000
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143
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A SAPPHIRE AND DIAMOND THREE STONE RING
in 18ct gold, set with three step cut sapphires totalling c.2.20 carats, each surrounded by a cluster of round brilliant cut diamonds, all totalling c.0.50 carats, partial British hallmarks, stamped …
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£2,000 - £4,000
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