An 18 carat white gold and diamond solitaire...

An 18 carat white gold and diamond solitaire ring and a 14 carat white gold seven diamond ring
20th century
Centred with an old European-cut diamond, flanked by two trillion-cut diamonds.
Estimated central diamond weight approx. 0.75 ct, colour ca. H-J, clarity ca. SI3-I1 and total estimated diamond weight approx. 1.25 ct (solitaire)
Total estimated diamond weight approx. 0.35 ct, colour ca. H-J, clarity ca. VS2-Si2 (seven diamond)
Total gross weight approx. 7.0 g
Ring size 54.5/17.3 (solitaire)
Ring size 55/17.5 (seven diamond)
Graded and measured in mount
(2x)