A diamond plaque ring,

AN EMERALD AND DIAMOND PLAQUE RING the geometric face set with an octagonal step cut emerald of 0.56 carats, accented by round brilliant cut diamonds all totalling 1.6-1.8 carats, no assay marks, size

ART DECO DIAMOND PLAQUE RING, CIRCA 1920 Set with cushion-shaped diamonds, diamonds approx. 1.10cts total, ring size approx. L½

DIAMOND PLAQUE RING Set with old brilliant-cut diamonds, diamonds approx. 0.50ct total, ring size approx. O For further information on this lot please visit Bonhams.com

A DIAMOND PLAQUE RING in platinum, the oval face set with a central cluster of round brilliant cut diamonds, the pierced body set with further round brilliant cut diamonds, the diamonds all totalling

DIAMOND PLAQUE RING Set with cushion and old brilliant-cut diamonds, diamonds approx. 0.80ct total, ring size approx. R

An Art Deco diamond plaque ring of angular design, set throughout with graduated old round and rose-cut diamonds, unmarked(Ring size: P)

EMERALD AND DIAMOND PLAQUE RING Of geometric design, the oval-cut emerald within a surround of old brilliant and single-cut diamonds and calibré-cut emeralds, three emeralds deficient, ring size

A VINTAGE DIAMOND PLAQUE RING in yellow gold, set with a trio of old cut diamonds accented by rose cut diamonds, no assay marks, size L / 5.75, 2.4g.

Art deco 14 karat white gold ring with 9 diamonds, 0.20 CTW. No markers marks or other markings. Tested heavily for purity and stones. Ring Size: 8.25 Total weight: 4 grams.

Containing small bead set diamonds, total diamond weight approx. .50ct, ring size 6. Together with 18K yellow gold and diamond ring, ring size 6.75, total diamond weight approx. 1.05ct, 14K yellow gol

DIAMOND AND RUBY PLAQUE RING Set with a cushion-shaped diamond within a similarly-cut diamond and circular-cut ruby surround, within pinched collet settings, the shoulders of bifurcated design, princi

Four gem set rings, Edwardian oval plaque ring with diamond, 18 ct and platinum, sapphire and diamond ring, pearl and garnet cluster ring, paste set ring and a pair of ear studs , all 9 ct

Includes an 18kt gold and diamond ring - interior plaque, "18" with unidentified maker's mark of stacked, "PM" - all diamond from dome form top have been removed, size - 5 1/2; a pair of 18kt gold and

Fine deco style 14K W/G ring, center an onyx plaque set with a small diamond, size 6.5

Articulated Onyx Plaque And Diamond Signet-style Ring. 18k Yellow Gold, 12.5 G Approximately. Sz. 5.5; 1 X 7/8 X 5/8 Overall. See Photos For Miscroscratches And Additional Condition Information. Wire

Estate Art Deco 14kt Gold Onyx Diamond Ring. Modeled in 14kt white gold with an oval onyx plaque and diamond in center. Ring size 7.5, can be resized. 4.4 grams inclusive

A DIAMOND DRESS RING The heart-shaped plaque pavé-set with rose-cut diamonds, on an openwork hoop, mounted in 18K gold, ring size N

A DIAMOND DRESS RING The circular plaque set with old cushion-shaped diamonds throughout, to a gallery of foliate and scrolling detailing, mounted in gold, diamonds approximately 1.40ct total, ring si

Antique Plaque Ring crafted from solid 18k Yellow Gold and Platinum, featuring an Oval shaped Dark Green Chalcedony with a center Old Mine Diamond Approx. 0.65 Ct and Rose Cut Diamonds Approx. 0.15 Ct

AN ENAMEL AND DIAMOND DRESS RING The rectangular plaque, composed of blue enamel and accented by single and brilliant-cut diamonds, between split trifurcated shoulders, stamped 18CT, ring size N.Â

one set with an oval onyx plaque and diamond accent, marked 10KT (ring size 3.5); two with carved cameos, unmarked and likely 10KT (size 5 and 5.75) (with repairs); a pair of cuff links marked 14KT; a

SAPPHIRE AND DIAMOND RING Of plaque design set with cushion-shaped and oval-cut sapphires and old brilliant-cut diamonds, ring size approx. I1⁄2 For further information on this lot please visit

DIAMOND AND GEM-SET NECKLACE; DIAMOND AND ONYX RING; DIAMOND PENDANT NECKLACE 1st: The plaque set with vari-cut smoky quartz, citrine, rubies and brilliant-cut diamonds, 2nd: The ring obliquely-set wi

Cocktail Ring. J. Rossi 18kt yellow gold cocktail ring comprised of 6 larger turquoise cabochons interspersed with smaller turquoise cabochons and diamond accents. Plaque to interior of shank reads, "