Emerald and diamond three stone ring, the octagonal step cut 1.61ct Colombian emerald between old round brilliant cut diamonds,

Emerald and diamond three stone ring, the octagonal step cut 1.61ct Colombian emerald between old round brilliant cut diamonds,
Price: £20,000-£50,000
Ref No. 03255
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Description
claw set, heart pierced gallery, mounted in platinum, hallmarked, accompanied by GCS report no. 81319-56 giving a Colombian origin opinion for the emerald and that it shows minor oil
Length of three stones 1.9cm / �''
Width 0.8cm / 5/16''
Weight: 5g
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Antique emerald and diamond three stone ring, c.1900, centred by a principal 2.33ct octagonal step cut Colombian emerald, flanked by cushion cut diamonds, rose cut diamond points between, to an openwork looped scroll gallery and reeded shoulders, mounted in 18ct gold, accompanied by GPL report no. 21811 giving the Colombian origin opinion for the emerald and that the stone shows minor clarity enhancement, the cushion cut diamonds approximately 0.80cts in all
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Victorian cabochon emerald and 18ct gold ring, London (date mark is either 1878 or 1898), the oval 6.49ct Colombian emerald open collet set to a simple tapering gold mount, D shaped shank, accompanied by AGL report no. 1118060 giving the Colombian origin opinion and that the stone shows minor clarity treatment of a traditional type (oiling)
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Eary 20th century emerald and diamond ring by Marcus, American c.1910
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Late 18th / early 19th century pear shaped emerald and diamond cluster ring, c.1800, the Colombian emerald of step cut and elongated outline, open set and inverted within a heart shaped border of old cut diamonds,
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Early 20th century single stone emerald and diamond cluster ring, English c,1905, the Colombian square step-cut emerald of approximately 1.50ct,
Details

S.J. Phillips