The piece, auctioned off by Christie's Auction House, is an early 20th-century emerald and diamond brooch. It is made in a sugarloaf shape, with oval cabochon emeralds and calibré-cut diamonds ...

The exquisite ring boasts a flower design, with vibrant marquise-cut sapphire petals encircling a cabochon emerald at its centre, creating a stunning contrast of colours. A unique detail ...