- Aquamarine, total weight: 3.79-carats; tourmaline, total weight: 1.50-carats; mother-of-pearl, total weight: 1.20-carats; diamonds, total weight: 1.055-carats; freshwater pearls, total weight: 0.29-carats - Butterfly fastening for pierced ears - Freshwater pearls: Hong Kong - Mother-of-pearl: China - This piece has been certified in accordance with the Hallmarking Act 1973