- TREASURE COLLECTION - • Delicate small necklace composed of a fine chain and a sea anemone pattern. Made of brass gilded with fine gold. • Size of the pattern: L: 1.8 cm x H: 1 cm. Total length of the chain: 38 cm 3 cm of adjustment chain. • A word about the TRESOR collection: In Charente-Maritime, on the beaches of Ile de Ré in winter, on high tide days, you can be lucky enough to find and collect gorgonians. Gorgons are commonly called Atlantic coral, half-animal, half-plant, they grow at the rate of 1 cm per year. Some of them can measure over 40 cm in height and are true ocean treasures. Mysterious and enchanting, the TRÉSOR collection takes you into a magical and invisible world, that of underwater life, which is so precious.