Vintage turquoise and diamond day and night clip earrings, circa 1960s.
Antique turquoise and pearl locket memorial ring, circa 1837.
Boucheron Paris turquoise, lapis and diamond brooch, circa 1960.
Antique turquoise and diamond coronet cluster ring, circa 1905.
Vintage dress ring with interchangable centres of diamond, turquoise, ruby and pearl, circa 1963.
Medieval turquoise bishop's stirrup ring 'God gives me the joy of love', circa 14th century.
Georgian gold chain with turquoise set clasp, circa 1780.
Antique turquoise and rose cut diamond necklace, circa 1870.
Medieval gold ring with turquoise, circa 13th century.