A mid 20th century platinum brilliant and baguette-cut diamond necklace, convertible to two

CULTURED PEARL AND DIAMOND CHOKER NECKLACE The three rows of 6.0-7.0mm cultured pearls, on a mid 20th century clasp of flowerhead design, set with old brilliant and baguette-cut diamonds, suspending a

Two mid 20th century 18ct gold and platinum diamond three-stone rings. Each designed as three brilliant-cut diamonds, to the plain band. Estimated total diamond weight 0.45ct. Weight 5gms. Overall con

DIAMOND TRIPLE-CLIP BROOCH/NECKLACE, MID 20TH CENTURY Of asymmetrical scroll design, pavé-set throughout with brilliant and old brilliant-cut diamonds, accented by baguette-cut diamonds, on a det

Likely Mid 20th Century. Art Deco style, American. A square cut natural green emerald (approximately .75 CT) flanked by two round brilliant cut diamonds (each approx .3 CT) surrounded by sixteen round

Platinum mid-century ring featuring a well cut and proportioned round brilliant cut diamond set in four prongs, weighing approx. 2.15 cts, I-J color, VS clarity, with two tapered baguettes, 6.5 sz, 5.

A mid 20th century platinum diamond dress ring. The brilliant-cut diamond, with similarly-cut diamond tapered cylindrical sides. Estimated total diamond weight 1.50cts, principal diamond estimated I-J

DIAMOND DOUBLE-CLIP BROOCH, MID 20TH CENTURY Old brilliant, brilliant, single and tapered-baguette-cut diamonds, approx. 2.50cts total Length 3.9cm Weight approx. 19.0g Footnotes: OVERALL CONDITION Li

A mid 20th century platinum old-cut diamond brooch, with baguette-cut diamond accents. Estimated total diamond weight 4cts.French re-strike marks. Length 3.2cms. 11.7gms.

A mid 20th century platinum diamond three-stone ring. The graduated brilliant-cut diamond line, with single-cut diamond line sides, to the plain band. Estimated total diamond weight 0.55ct, I-J colour

A mid 20th century platinum diamond cocktail watch. The rectangular-shape cream dial with Arabic numerals, with single and baguette-cut diamond sides, to the single-cut diamond openwork links. Estimat

A mid 20th century platinum diamond half-circle eternity ring. Designed as a series of ten brilliant-cut diamonds, to the engraved half-band. Estimated total diamond weight 0.70ct. Ring size M1/2. Wei

A mid 20th century platinum and 18ct gold diamond three-stone ring. The graduated brilliant-cut diamond line, to the single-cut diamond asymmetric sides and plain band. Estimated total diamond weight

A mid 20th century 18ct gold and platinum diamond single-stone ring. The brilliant-cut diamond collet, to the tapered shoulders and plain band. Estimated diamond weight 0.45ct, J-K colour, P1. Weight

A mid 20th century 18ct gold and platinum diamond three-stone ring. The graduated brilliant-cut diamonds, each within an illusion setting, to the tapered shoulders and plain band. Estimated total diam

RUBY AND DIAMOND CLUSTER RING, MID 20TH CENTURY The oval-cut ruby, weighing 2.51 carats, within a surround of brilliant-cut diamonds, between baguette-cut diamond-set shoulders, ring size N Footnotes:

Mid Century Diamond, Platinum Pin Of sinuous design, featuring ninety-one marquise, round brilliant, baguette, and single-cut diamonds weighing a total of approximately 2.05 cttw., set in a platinum p

A mid 20th century 18ct gold and platinum diamond single-stone ring. Of bi-colour design, the brilliant-cut diamond, with tapered shoulders and single-cut diamond accents. Principal diamond estimated

Black opal surrounded by baguette and brilliant cut diamonds in a floral motif. Opal 6.24 carats, diamonds 1.79 ctw. Ring measures 7/8 x 1 x 1 1/4 T. Weight 14g. Excellent condition.

A mid 20th century 18ct gold diamond two-stone crossover ring. The old and brilliant-cut diamond collets, to the scrolling shoulders and plain band. Estimated total diamond weight 0.25ct. Weight 2.3gm

Two mid 20th century gold diamond rings. To include an illusion-set brilliant-cut diamond single-stone ring with foliate shoulders, together with a 9ct gold similarly-set diamond crossover ring with g

Fine Pair of Art Moderne Diamond Ear Clips mid-20th century, platinum, each with a cluster of prong-set round brilliant diamonds above a spray of channel-set baguette diamond rays, with an approximate

NO RESERVE - A DIAMOND TOI ET MOI RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with two old European brilliant cut diamonds, stamped 18ct Plat, size K / 5.25, 2.7g.

Two mid 20th century 18ct gold and platinum, diamond and sapphire rings. The first designed as a circular-shape sapphire with single-cut diamond surround, the second designed as a circular-cut diamond

Green Jade and Diamond Ring. This elegant 18K Gold and Platinum ring has an oval, cabochon jade flanked by two round, brilliant cut diamonds. The diamonds are SI2 in clarity. The jade is set in an 18K