A fine and impressive vintage 0.66 carat diamond and 18 karat white gold cluster ring; part of our diverse antique jewelry and estate jewelry collections. This fine and impressive diamond cluster ring has been crafted in 18k white gold. The pierced decorated, scalloped edged setting is ornamented with a feature 0.30Ct transitional modern brilliant round cut diamond, six claw/prong set in subtle relief to the center of the design. The central diamond in encircled by a further six individually four claw/prong set transitional modern brilliant round cut diamonds. The central cluster is framed within a lobed scalloped edged arrangement. The elevated flared ring shoulders blend seamlessly with the plain ring shank, hallmarked to the interior with the 18k gold fineness mark - 750. This vintage cocktail ring is supplied with an independent diamond grading certificate for the central diamond in addition to an independent diamond grading report card for the supporting diamonds. Condition This impressive 1950s cluster ring is fine quality set with very high color graded diamonds. The ring is an exceptional gauge of gold and is in excellent condition with a clear hallmark to the interior of the shank. Diamond Quality Feature Diamond Color F Clarity SI1 Cut Transitional modern brilliant round Content 0.30 carat Dimensions 4.29mm x 2.57mm Supporting Diamonds Color (average grades) G/H Clarity (average grades) VS2-SI2 Cut Transitional modern brilliant round Content (total) 0.36 carat Total Diamond Content 0.66 carat Dimensions Length of setting 1.67cm/0.65" Width of setting 1.71cm/0.67" Height of setting 7.77mm/0.30" Ring Size UK Size N USA Size 6 1/2 This ring may be professionally adjusted in size on request to meet your personal requirements. Weight 9.55 grams Date: Circa 1950 Origin: Europe (strong probability) Video: A video of this fine piece is available upon request Reflections in photographs may detract from the true representation of this fine example of vintage diamond jewelry/estate jewelry. Item Ref. SKU: A7534