A diamond single-stone ring. Of openwork design, the

DIAMOND SINGLE STONE RING, in 18 ct. gold. Set with an old cut diamond of approx. 0.50 ct. The openwork head and shoulders of part scrolling relief design. Size M. 3.3 grams.

PLATINUM AND DIAMOND RING ~ SIZE 7, TAPERED SHANK WITH OPENWORK DESIGN FEATURING 0.55CT BRILLIANT ROUND CENTER STONE WITH SIX SINGLE CUT DIAMONDS ON EACH SIDE (APPROX 0.73CT TDW) STAMPED AND TESTED (4

A diamond single-stone ring. Of bi-colour design, the old-cut diamond, with tapered shoulders. Estimated diamond weight 0.45ct, K-L colour, SI2-P1 clarity. Ring size J1/2. Weight 2.7gms.

A platinum diamond single-stone ring. Of bi-colour design, the brilliant-cut diamond, with bar sides and tapered band. Diamond weight 0.33ct, H-I colour, P1 clarity. Hallmarks for London. Ring size O.

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

A diamond single-stone ring. Of bi-colour design, the brilliant-cut diamond, to the stepped shoulders and plain band. Diamond weight 0.20ct, stamped to the band, estimated I-J colour, P1 clarity. Hall

A diamond single-stone ring. The brilliant-cut diamond, with openwork gallery and textured shoulders. Estimated diamond weight 0.50ct, tinted colour, SI2-P1 clarity. Ring size L. Weight 2.5gms.

An early 20th century 18ct gold diamond single-stone ring. The old-cut diamond, with openwork surround and grooved shoulders. Estimated diamond weight 0.10ct. Ring size K1/2. Weight 2.7gms. Overall co

A diamond single-stone ring. The old-cut diamond, to the openwork shoulders and knife-edge band. Estimated diamond weight 0.60ct, I-J colour, VS2-SI1 clarity. Ring size L. Weight 1.5gms. Overall condi

An early 20th century diamond single-stone ring. The circular-cut diamond, within an openwork scrolling surround, to the similarly designed shoulders. Estimated diamond weight 0.25ct, I-J colour, VS c

JOHN DONALD: DIAMOND SINGLE-STONE RING AND DIAMOND-SET DRESS RING, 1990-2002 1st: Set with a pear-shaped diamond, between openwork abstract shoulders, mounted in 18 carat gold, 2nd: Of openwork bomb&#

A diamond single-stone ring. The old-cut diamond collet, inset to the openwork foliate band. Estimated diamond weight 0.50ct, tinted colour, P1-P2 clarity. Ring size T. Weight 5.6gms.

A diamond band ring. Of openwork design, the single-cut diamond Greek key motif, to the polished similarly designed half-band. Estimated total diamond weight 0.25ct. Ring size P 1/2. Weight 6.9gms. Ov

A Modern 18K yellow Gold ring. The ring is encrusted with a large Pink gemstone to the center and surrounded by diamonds. The ring is made in an openwork heart design. Circa: Mid to late 20th century.

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

NO RESERVE - A THREE-STONE DIAMOND RING Twisted design Single-cut diamonds Stamped 18ct Plat Size O / 7.25 2.3 grams

A 9ct gold coated topaz and diamond ring. Of openwork design, the circular-shape pink coated topaz floral clusters, with single-cut diamond highlights and shoulders. Hallmarks for Birmingham. Ring siz

An emerald and diamond ring. Of openwork design, the circular-shape emerald and single-cut diamond curved lines, to the tapered sides. Ring size N. Weight 3.5gms.

DIAMOND THREE-STONE RING Of cluster design, set with three cushion-shaped diamonds, within a single-cut diamond surround, principal diamond approx. 1.40cts, remaining diamonds approx. 1.70cts total,

14kt Yellow Gold Art Deco Diamond Ring Size (4) openwork design containing a (2mm) champagne colored diamond center stone, electronically tested (2.5 grams tw).

18KT GOLD AND STERLING SILVER ART NOUVEAU STYLE RING ~ SIZE 7, OPENWORK DESIGN FEATURING SAPPHIRES AND SINGLE CUT DIAMONDS IN ORNATE 18KT GOLD SETTING WITH STERLING OVERLAY, STAMP IS NO LONGER VISIBLE

Vintage 18kt White Gold Diamond Solitaire Ring Size (5.75) tapered shank ring with an openwork filigree style design, containing a (3.8mm) brilliant round cut diamond center stone, stamped and tested

A diamond three-stone ring. Of bi-colour design, the brilliant-cut diamond line, with single-cut diamond shoulders. Estimated total diamond weight 0.35ct. Ring size L1/2. Weight 2.7gms.

Gold, diamond, and solitaire pearl enameled floral ring. Single pearl perched atop gold band of diamonds amongst green enameled petals with diamonds. Openwork design on sides with engraving on band. U