Old cut diamond and sapphire plaque ring necklaces Hallmarks: The ring is hallmarked

Hallmarks: The ring is hallmarked for 18 carat gold

A calibre-cut diamond two-row ring

the rectangular plaque design embodies the clean lines and symmetry so characteristic of the 1920s–30s

Ring Size:  UK size Q / US size 8

Carat Weight: estimated 1

Old cut diamond and sapphire plaque ring necklaces Hallmarks: The ring is hallmarkedA stunning white gold old cut diamond and trilliant sapphire ring. Ring Size: UK size N 1 2 US size 7. Carat Weight: The head of the ring is estimated 1. 00ct of old cut diamonds. The central diamond is estimated at 0. 50ct with two 0. 15ct either side and six old cut diamonds with a combined weight of 0. 20ct. Colour Clarity: Dimensions: The head of the ring measures 24. 5x19mm. Metal: Tests as 18ct white goldRef: 1592