Shop Collection › Caillou Necklace, aquamarine, green agate and gold. Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 Caillou Necklace, aquamarine, green agate and gold. £210.00 Sold Out An aquamarine necklace with five aquamarine briolettes , green agate and solid gold rondels and clasps. 16” Sold Out Added! An aquamarine necklace with five aquamarine briolettes , green agate and solid gold rondels and clasps. 16”