A late 20th century sapphire and diamond knot style ring,

decorative fine rope knot design, with a central claw set round brilliant cut diamond surrounded by fifteen claw set round faceted sapphires (one lacking), tapered rope shoulders, 'D' shaped shank, si

Late 20th century. A panther link chain style flexible ring, stamped "750", with a slightly curved plaque at the back, front with bezel set oval sapphire surrounded by small round diamonds. Several li

A late 19th / early 20th century 18ct yellow gold, diamond, and sapphire ring, the mount set with graduted sapphires and diamonds, size R, 4.2 grams.

Two late 19th and early 20th century gold diamond and gem-set rings. To include an Edwardian 18ct gold alternating graduated circular-shape sapphire and old-cut diamond ring, together with a 15ct gold

American, late 20th century. Two open work lozenge shaped yellow gold rings, both stamped "14K BB". One with bezel set center round diamond, approx. .16ct, sixteen smaller round diamonds set throughou

A vintage 18k gold gemstone cluster ring comprising five connected yet individual rings set with combinations of rose cut diamonds, sapphires, rubies and emeralds. Circa the mid late 20th century. Wei

TIFFANY & CO. PLATINUM DIAMOND & SAPPHIRE RINGAmerican, late 20th- early 21st century. A platinum band channel set with alternating diamond and sapphire, size 6.25. Weighing 6 grams

THREE GEM-SET RINGS, LATE 19TH CENTURY - EARLY 20TH CENTURY 1st: Set with a pear-shaped ruby and sapphire, within a rose-cut diamond surround, surmounted by an old brilliant-cut and cushion-shaped dia

AN EARLY 20TH CENTURY SAPPHIRE AND DIAMOND RING an oval-cut sapphire in a fancy claw setting, to diamond-set shoulders. French 18 carat gold assay mark, ring size J, 3.1 grams Two chips noted to the

AN EARLY 20TH CENTURY SAPPHIRE AND DIAMOND CLUSTER RING an oval-cut sapphire within a fancy pierced milgrain border of round-cut diamonds, to diamond-set shoulders. Estimated total diamond weight 0.30

A late 19th / early 20th century diamond ring set with five old-cut diamonds of approximately 1.40 carats combined, in unmarked yellow gold mount, size N 1/2, 3.5 grams.

A late 19th / early 20th century diamond ring set with five old-cut diamonds of approximately 1.40 carats combined, in unmarked yellow gold mount, size N 1/2, 3.5 grams.

A mid 20th century sapphire and diamond cluster ring. The rectangular-shape sapphire, within an old-cut diamond surround, to the grooved shoulders and plain band. Estimated total diamond weight 0.35ct

An early 20th century sapphire and diamond cluster ring, the central rectangular facetted sapphire surrounded by twelve pavé set old single cut diamonds in a scalloped edged setting with low pierced

American, late 20th century. Vintage modernist style ring, stamped "18ct" featuring bezel set, oval pale blue topaz, mounting with open work . Stone measures approx. 15.4 x 11.9 x 7.7mm. Sz 7.5, 7gr.

A LATE 19TH CENTURY SAPPHIRE AND DIAMOND CLUSTER RING three graduated cushion-cut sapphires within borders of old-cut diamonds. Estimated total diamond weight 1.40ct, ring size L1/2, 4.7 grams Good

AN EARLY 20TH CENTURY SAPPHIRE AND DIAMOND FIVE STONE RINGThe graduated circular cut sapphires with old European cut diamonds between, approximately 0.50 carats total, to a scrolled gallerySize/dimens

A mid 20th century platinum, sapphire and diamond cluster ring. The rectangular-shape sapphire, within a circular-cut diamond scalloped surround, to the openwork gallery. Estimated total diamond weigh

Four gem-set rings. To include an early 20th century 9ct gold sapphire and diamond ring, a 9ct gold pink sapphire and diamond crossover ring, together with two further rings. Estimated total diamond w

Four diamond and gem-set rings. To include an early 20th century 15ct gold ruby and diamond dress ring, an early 20th century 9ct gold sapphire and diamond ring, together with two further rings. Three

An early 20th century 18ct gold sapphire and diamond ring. The oval-shape sapphire line, with old and rose-cut diamond spacers, to the plain band. One sapphire deficient. Band split. Hallmarks for Bir

AN EARLY 20TH CENTURY SYNTHETIC COLOUR-CHANGE SAPPHIRE AND DIAMOND CLUSTER RING a cushion-cut synthetic colour-change sapphire within a milgrain border of round-cut diamonds. Estimated total diamond w

A MID 20TH CENTURY SAPPHIRE AND DIAMOND OVAL CLUSTER PANEL RINGThe oval cut sapphire within a surround of old European cut diamonds, approximately 0.48 carats total, to a pierced geometric gallerySize

A mid 20th century 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within an old-cut diamond border, to the trifurcated shoulders and plain band. Estimated total diamond weight 1