18th Sep, 2025 9:30
Three rings and a bar brooch, comprising; An early-mid 20th century opal and diamond three stone ring, centred with an oval cabochon white opal between small old-cut diamonds each approximately 0.10ct, all claw set in white metal on a yellow D-section shank, stamped ‘Plat’ & ‘18ct’, size N, 1.8 grams gross; A modern 9ct white gold pale-blue aquamarine and diamond three stone ring, post 2000 Birmingham convention hallmarks, size O, 2.5 grams gross; A dark-blue/black sapphire and diamond cluster ring, marks indistinct, size L, 4.9 grams gross; Together with a 9ct gold and oval cabochon white opal single stone bar brooch, marks indistinct, 1.8 grams gross.
Sold for £400
Condition Report
Please note some diamonds are testing under UV light as potential laboratory-grown replacements.
Three rings and a bar brooch, comprising; An early-mid 20th century opal and diamond three stone ring, centred with an oval cabochon white opal between small old-cut diamonds each approximately 0.10ct, all claw set in white metal on a yellow D-section shank, stamped ‘Plat’ & ‘18ct’, size N, 1.8 grams gross; A modern 9ct white gold pale-blue aquamarine and diamond three stone ring, post 2000 Birmingham convention hallmarks, size O, 2.5 grams gross; A dark-blue/black sapphire and diamond cluster ring, marks indistinct, size L, 4.9 grams gross; Together with a 9ct gold and oval cabochon white opal single stone bar brooch, marks indistinct, 1.8 grams gross.
