Bulgari jewellery diamond necklace, dating back to the 1950s, will go under the hammer at Sotheby’s Hong Kong Magnificent Jewels and Jadeite spring sale on 6 April.

Bulgari jewellery diamond necklace, dating back to the 1950s, will go under the hammer at Sotheby’s Hong Kong Magnificent Jewels and Jadeite spring sale on 6 April.