A platinum, diamond and blue sapphire cluster ring 20th century The ring centered by a cushion-cut sapphire within old-cut diamond border, the band with foliate-shaped diamond set motif, the mount openworked, accompanied by a GRS certificate stating that the sapphire is of natural blue colour, weighing 11,37 ct, originated Sri Lanka and has no indication of thermal heat treatment, numbered GRS2017-051553 and dated 11-5-2017. Total diamond weight approx. 0.96 ct Gross weight approx. 8 gr. Ring size 53/17 Diamonds measured and weighed in the mount
A platinum, diamond and blue sapphire cluster ring 20th century The ring centered by a cushion-cut sapphire within old-cut diamond border, the band with foliate-shaped diamond set motif, the mount openworked, accompanied by a GRS certificate stating that the sapphire is of natural blue colour, weighing 11,37 ct, originated Sri Lanka and has no indication of thermal heat treatment, numbered GRS2017-051553 and dated 11-5-2017. Total diamond weight approx. 0.96 ct Gross weight approx. 8 gr. Ring size 53/17 Diamonds measured and weighed in the mount
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
