1972 Colour-Change Sapphire Buttercup Ring signet rings Perhaps best known for his

Perhaps best known for his radical work

Twelve rectangular malachite panels with bevelled edges make up the band

Cornicelli are prominent throughout Italy

He was one of the most important deities in the Egyptian pantheon

1972 Colour-Change Sapphire Buttercup Ring signet rings Perhaps best known for hisA bold vintage statement ring bold, on account of both scale and the gemstone that's set within the elaborate buttercup mount. The scale: big, 6 carats. The gemstone: a lab grown colour change sapphire, one of the more magical gemstones we find in jewellery of this era the stone has a bright purple hue when viewed in daylight, but under electric lighting the colour shifts to vibrant hot pink. Dating from the 1970s, the ring is crafted in solid 9 carat