Single stone cushion cut sapphire and diamond cluster ring, the 13.42ct Ceylon sapphire,

Single stone cushion cut sapphire and diamond cluster ring, the 13.42ct Ceylon sapphire,
Price: More than £50,000
Ref No. 01508
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Description
collet set in to a line border of single cut diamonds, pierced scroll gallery, diamond line shoulders each set with three diamonds, accompanied by SSEF report no. 67644 for the 13.420ct sapphire giving the Ceylon origin opinion and that the stone shows no evidence of heat treatment
Length of head 1.8cm / �''
Weight: 8g
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Early 20th century diamond and sapphire 'eye' cluster ring, French c.1910, with an old European cut diamond brilliant to centre, approximately 0.90ct, flanked by tapering calibre cut sapphires in a millegrain scalloped edged border of small old single cut diamonds, mounted in platinum, trace of French assaymark and workshop mark
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S.J. Phillips