Lot N. 344
White gold ring with diamonds and Thai natural rubies
Sixties
bouquet-shaped
inside diameter mm 18,80
round brilliant cut diamonds ct 1,80 total approx, navette and pear shape cut rubies ct 3 total approx, g 7,40
London Gemmological Certification Services certificate n 78158-10 of May 21, 2018 asserts the rubies' Thai origin and that they are unheated