Formed in openwork diamonds, old and brilliant cut with a center of two diamonds, brilliant cut,

Formed in openwork diamonds, old and brilliant cut with a center of two diamonds, brilliant cut, estimated total weight of 0.50 ct., set in chaton.

Formed by a floral design with diamond centers, brilliant cut, estimated total weight of 0.85 ct. set in claws and petals and openwork links studded with diamonds, rose cut. Weight: 32.4 grams.

Formed by a sapphire center, oval cut, and openwork petals set with diamonds, brilliant cut.

Formed by two rows of sapphires, oval cut, with diamond centers, brilliant cut.

CULTURED PEARL NECKLACE WITH DIAMOND CLASP The two rows of 8.5mm cultured pearls on an old brilliant-cut diamond clasp of openwork cluster design, diamonds approx. 2.95cts total, length of shortest st

AQUAMARINE AND DIAMOND BROOCH Of openwork design, set with two pear-shaped aquamarines and old brilliant-cut diamonds, length 4.2cm For further information on this lot please visit Bonhams.com

A Retro Platinum Topped Rose Gold and Diamond Ring, in a banded scrollwork design, the center surmounted with a platinum plaque containing three round brilliant cut diamonds and two old European cut d

A 14K yellow gold gentleman's ring with an approximately .85ct round brilliant cut old European diamond center of SI clarity and J-K color and two .15ct old European cut and two .06ct round brilliant

Features a 10.03-carat old oval brilliant cut diamond set in platinum and flanked by two old-mine cut diamonds. The center diamond comes with a GIA Diamond Grading Report stating that it is of I color

An Art Deco Era Diamond & Platinum Ring. Filigree setting with two diamonds at the center, one an Old European cut diamond that is approximately 0.25 ct and the other a round brilliant cut diamond tha

Platinum three stone diamond ring, center round brilliant-cut diamond appx. 1.20 ct., SI / IJ. Two Old Mine Cut diamonds are set on each side, appx. 1.30 ct. total weight, SI / HI, size 6 3/4.

Gentleman's 14k yellow and white gold diamond ring. Center old European cut diamond, approximately 0.82 ct, approximately G-H color and VS2 perfection. Two round brilliant cut side diamonds, approxima

DIAMOND DOUBLE-CLIP/BROOCH, CIRCA 1940 Of openwork geometric form with scrolling detail, set throughout with old brilliant and single-cut diamonds, accented by baguette-cut diamonds and two collet-set

The ring is set with three larger diamonds, two round brilliant and one Old European cut, set in a row in the center of the ring. Approx 1.06 ct. tw., the center approx. .40 ct VS and I-J color and is

Vintage 14kt White Gold & Diamond Ring Size 4, tapered shank ring featuring an old European cut diamond center stone (approx. 4.4mm - very loose in setting) accented with two (2mm) brilliant round cut

Formed by two diamonds, brilliant cut, estimated total weight 3.10 ct., estimated color HI, estimated purity SI. Set in claws.

Made up of two diamond centers, brilliant cut, estimated total weight of 0.55 ct. set in claws and bordered by a sinuous band of diamonds, simple cut, with setting in grain and in claws.

Formed by three diamond centers, brilliant cut, estimated total weight of 0.30 ct. set in chaton. Weight: 17.1 Gr.

A DIAMOND TWO-STONE RING, CIRCA 1940 Set with two old brilliant-cut diamonds in a rectangular faceted surround, mounted in platinum, diamonds approximately 1.90cts total, numbered, indistinct maker&#8

DIAMOND CROSSOVER RING Obliquely set with two old brilliant-cut diamonds, weighing 1.51 and 1.35 carats, between single-cut diamond shoulders, ring size approx. Q

PEARL NECKLACE WITH DIAMOND CLASP The graduating row of 4.5-7.0mm pearls, on a clasp set with two old brilliant-cut diamonds, diamonds approx. 2.00cts total, pearls untested, length 39.0cm

DIAMOND TWO-STONE RING Of crossover design, set with two old brilliant-cut diamonds between single-cut diamond shoulders, principal diamonds approx. 0.85cts and 0.80cts, ring size approx. H½ For

SAPPHIRE AND DIAMOND THREE STONE RING The cushion-cut sapphire between two old brilliant-cut diamonds, diamonds approx. 0.95cts total, ring size approx. N For further information on this lot please vi

Open "lace" design set with natural diamonds and natural blue sapphire cabochons. The center round brilliant cut diamond (Old European cut) weighs approximately .51ct. Clarity SI1, Color F. Surroundin