gold tubogas necklace with gemstones

An 18 carat gold collar consisting of two flat tubogas bands decorated with five tilted square elements meant to represent garden squares. They are respectively set with four pink tourmalines, green tourmalines, amethysts, blue topazes, and peridots each with a diamond at the heart. Signed: Bulgari. The model is called Carré and dates from 1993.

weight: 205.13 grams
length: 40 cm