18ct gold oval sapphire and single cut diamond clus

NO RESERVE - A SAPPHIRE AND DIAMOND CLUSTER RING in 18ct gold, set with an oval sapphire in a cluster of single cut diamonds, British hallmarks for 18ct gold, size M / 6, 4.6g.

An early 20th century 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire and single-cut diamond surround, with scrolling engraved shoulders. Estimated total diamond weight 0.15ct. Ha

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, with single-cut diamond surround. Estimated total diamond weight 0.10ct. Hallmarks for 18ct gold, partially indistinct. Ring si

A 1970s 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, with single-cut diamond surround and baguette-cut diamond sides. Estimated total diamond weight 0.30ct. Hallmarks for Lond

An 18ct gold sapphire and diamond ring. The oval-shape orange sapphire, with single-cut diamond sides, to the tapered band. Hallmarks for Birmingham, 2005. Weight 4.1gms.

An 18ct gold sapphire and diamond crossover ring. Designed as an oval-shape sapphire and single-cut diamond diagonal line, with similarly-cut diamond foliate detail. Hallmarks for Birmingham, 1966. Ri

An 18ct gold sapphire and diamond three-stone ring. The oval-shape sapphire, with single-cut diamond sides, to the marquise-shape shoulders. Hallmarks for Birmingham, partially indistinct. Weight 2.4g

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a single-cut diamond surround, to the tapered shoulders and plain band. Estimated total diamond weight 0.30ct. Hallmarks

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a single-cut diamond surround, to the plain band. Estimated total diamond weight 0.45ct. Hallmarks for London, 1976. Rin

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a single-cut diamond and polished spacer surround. Hallmarks for London, 1978. Ring size L. Weight 5.2gms.

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a single-cut diamond surround, to the plain band. Estimated total diamond weight 0.15ct. Hallmarks for Birmingham, 1974.

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within a single-cut diamond surround, to the plain band. Estimated total diamond weight 0.15ct. Hallmarks for London, 1979. Wei

An 18ct gold sapphire and diamond cluster ring. Of floral design, the oval-shape sapphire, within a single-cut diamond and textured petal surround. Estimated total diamond weight 0.30ct. Hallmarks for

Two mid 20th century 18ct gold diamond and sapphire cluster rings. The first designed as an oval-shape sapphire within a single-cut diamond surround, the second designed as a single-cut diamond floral

An 18ct gold sapphire and diamond cluster ring. The oval-shape sapphire, within an alternating single-cut diamond and circular-shape sapphire triple surround. Estimated total diamond weight 0.70ct. Ha

A platinum and 18ct gold sapphire and diamond cluster ring. The oval-shape greenish blue sapphire, with single-cut diamond surround and tapered sides. Estimated total diamond weight 0.20ct. Hallmarks

An 18ct gold sapphire and diamond dress ring. The graduated oval-shape sapphire line, within a single-cut diamond textured surround. Estimated total diamond weight 0.10ct. Hallmarks for London, 1977.

A SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, the oval face set with four marquise cut blue sapphires accented by single cut diamonds, full British hallmarks, size J / 4.5, 4.8g. Guaranteed U

An 18ct gold sapphire and diamond three-stone ring. The slightly graduated oval-shape sapphire line, to the single-cut diamond curved line highlights and tapered band. Hallmarks for Birmingham. Weight

AN ANTIQUE SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, set with an oval cut sapphire of approximately 1.70 carats in a border of round brilliant, old and single cut diamonds, the stepped shou

NO RESERVE - A SAPPHIRE AND DIAMOND CLUSTER RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with an oval cut blue sapphire within a border of single cut diamonds, maker's mark SH&Co, st

A SAPPHIRE AND DIAMOND RING in 18ct yellow gold and silver, set with three oval cut sapphires in an open border set with single cut diamonds, stamped 750, size P / 7.75, 6.8g.

Two diamond and gem-set rings. To include an oval-shape ruby and single-cut diamond dress ring, together with an 18ct gold calibre-cut sapphire and single-cut diamond dress ring. Estimated total diamo

A SAPPHIRE, DIAMOND AND RUBY DRESS RING in 18ct white gold, set with a round cut sapphire, a single and old cut diamond and an oval cut ruby, stamped 18ct, size R / 8.5, 4.2g.