A black opal and diamond ring centering a cabochon black opal, within a surround of pavé-set round brilliant-cut diamonds; signed Tremonté; estimated opal weight: 3.60 carats; estimated total diamond weight: 2.25 carats; mounted in platinum;
Kano collection by NIWAKA
Bulgari | More here: http://mylusciouslife.com/bling-fling-engagement-ring-pictures/
Buccellati citrine and gold ring
Aquamarine diamond clip in yellow gold by Jean Schlumberger; c. 1965.
Contemporary Heritage ring, rose cut diamonds and yellow gold by Gilan