Art Nouveau 5-Stone Old Cut Diamond Compass Points Ring rings The central panel is set

The central panel is set with an stone mosaic inlay featuring squares and rectangles of coloured agate - the design mirrored from one earring to the other

Quite unusually

The sapphire is natural with an unusual colour distribution that gives it a different appearance depending on the viewing angle: an vivid mid blue to an extremely pale blue

the platinum settings contrasting beautifully with the 18k yellow gold band

the name is a diminutive of Pierre (Peter)

Art Nouveau 5-Stone Old Cut Diamond Compass Points Ring rings The central panel is setDATE: Art Nouveau, c. 1910 Exceptional antique diamond five stone ring dating from the early 20th century, circa 1910. The old cut stones are, quite unusually, arranged as four compass points around the centre, mounted in millegrain platinum bezels and sitting between graceful crossover shoulders. Home to a total of 1. 65ctw of icy white old mine cuts. Band crafted in 18k yellow gold. STONES Five 0. 33ct Old Mine Cut Diamonds G H colour, VS1 SI2