NO RESERVE - AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set to the centre with a round

AN ANTIQUE OPAL AND DIAMOND DRESS RING, 19TH CENTURY in 18ct yellow gold, set with a central round cabochon opal between two kite shaped cabochon opals, the central opal within a border of old cut dia

NO RESERVE - AN ANTIQUE SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with a row of alternating round cut sapphire and rose cut diamonds, full British hallmarks for 1902, size N1/2 / 7, 2.5g.&nbs

NO RESERVE - AN ANTIQUE EDWARDIAN SAPPHIRE AND DIAMOND RING, 1909 in 18ct yellow gold, set with a trio of round cut blue sapphires, the central sapphire within a border of rose cut diamonds, full Brit

NO RESERVE - AN ANTIQUE EDWARDIAN SAPPHIRE AND DIAMOND RING, 1908 in 18ct yellow gold, set with three cushion cut sapphires punctuated by pairs of round cut diamonds, full British hallmarks for Cheste

AN ANTIQUE OPAL AND DIAMOND RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, set with three cabochon opals, accented by round cut diamonds, stamped 18CT & PT, size L / 5.75, 2.7g.

NO RESERVE - AN ANTIQUE EDWARDIAN RUBY, DIAMOND AND SAPPHIRE RING, 1903 in 18ct yellow gold, the face set with three rows of round cut rubies, round cut blue sapphires and rose cut diamonds, maker's m

AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with three cabochon opals punctuated by pairs of old cut diamonds, stamped 18ct, size N / 6.75, 4.2g. 

AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with three cabochon opals punctuated by pairs of old cut diamonds, inscribed JJ - H.B MCK 28/12/20, partial British hallmarks, size M / 6.25,

AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with two cabochon cut opals, accented by old mine cut diamonds, to stylised shoulders, stamped 18CT, size O / 7.25, 2.6g.

AN ANTIQUE OPAL AND DIAMOND RING in 18ct yellow gold, set with three graduated oval opal cabochons, punctuated by pairs of old mine cut diamonds, British hallmarks for Birmingham, 1890, size S / 9, 5.

AN ANTIQUE EDWARDIAN OPAL AND DIAMOND RING in 18ct yellow gold, set with three cabochon opals punctuated by pairs of old cut diamonds, full British hallmarks for Chester 1904, size R1/2 / 8.75, 4.0g.&

AN ANTIQUE OPAL AND DIAMOND DRESS RING in 18ct yellow gold, set with a trio of graduated oval cabochon opals, accented by pairs of old European brilliant cut diamonds, full British hallmarks (partly o

AN ANTIQUE VICTORIAN OPAL AND DIAMOND RING, 1897 in 18ct yellow gold, set with three graduated cabochon opals punctuated by pairs of old cut diamonds, full British hallmarks for Birmingham 1897, size

AN ANTIQUE VICTORIAN OPAL AND DIAMOND RING, 1897 in 18ct yellow gold, set with three graduated cabochon opals punctuated by pairs of old cut diamonds, full British hallmarks for Birmingham 1897, size

AN ANTIQUE OPAL AND DIAMOND RING, 19TH CENTURY in 18ct yellow gold, set with two cabochon opals and old cut diamonds, British hallmarks for Chester, 1898, size O / 7, 2.8g.

ANTIQUE DIAMOND RING, 1916 in 18ct yellow gold, set with five round cut diamonds, British hallmarks for 18ct gold, size O / 7, 3.7g.

AN OPAL AND DIAMOND RING in 18ct yellow gold, set with a round cut diamond within a cluster of four cabochon opals, no assay marks, size N / 6.5, 5.4g.

AN ANTIQUE DIAMOND DRESS RING in 18ct yellow gold, set with a round cut diamond, British hallmarks, size M / 6.5, 3.6g.

AN ANTIQUE FIRE OPAL AND DIAMOND RING in 18ct yellow gold and silver, set with a cushion cut fire opal of 1.72 carats, within a border of single cut diamonds, stamped 18, size M / 6.25, 3.2g.

AN ANTIQUE OPAL AND DIAMOND CLUSTER RING in 18ct yellow gold and platinum, set with a cabochon opal in a cluster of rose cut diamonds, stamped 18CT & PLATINUM, size M / 6.25, 2.7g. 

AN ANTIQUE TURQUOISE AND DIAMOND RING in 18ct yellow gold, set with three round cabochon turquoise accented by pairs of old cut diamonds, full British hallmarks for London 1900, size O / 7.25, 4.

AN ANTIQUE DIAMOND FIVE STONE RING in 18ct yellow gold, set with five round brilliant cut diamonds, partial British hallmarks for Birmingham 1918, size O1/2 / 7.5, 3.8g. 

AN ANTIQUE SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with three round and cushion cut sapphires, punctuated by pairs of rose cut diamonds, maker's mark 'E&S', full British hallmarks for 18ct

AN ANTIQUE EDWARDIAN SAPPHIRE AND DIAMOND RING in 18ct yellow gold, set with round cut sapphires and rose cut diamonds, full British hallmarks for Birmingham 1918, size R1/2 / 9, 1.9g.