An important sapphire and diamond ring. Photo Bonhams Set with an oval mixed-cut sapphire, weighing 22.98 carats, flanked by a pair of half moon-cut diamonds, mounted in platinum,the diamonds estimated to weigh approximately 1.75 carats in total, ring...

A rare natural conch pearl and diamond necklace. Photo: Bonhams Major shifts and changes took place in the jewellery industry worldwide at the beginning of the year, with high prices and a limited supply of fine jewellery deeply impacting the industry....