Early 19th century three stone cushion cut ruby in diamond cluster ring, English c.1810,

Early 19th century three stone cushion cut ruby in diamond cluster ring, English c.1810,
Price: £20,000-£50,000
Ref No. 04438
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Description
the three graduated rubies to a shaped border of old single cut diamonds, cut down collet set in silver, upon a curving flat gold shank tapering from the width of the cluster, the rubies open set, the rubies approximately 1.10cts, the diamonds approximately 0.15cts
Cluster width 10mm, length 15mm
Central ruby approximately 5.9 x 5.4 x 2.0mm
Weight: 4.5g
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S.J. Phillips