Robuta

https://www.christies.com/zh/lot/lot-6151193 A PAIR OF AQUAMARINE AND ALUMINUM EARRINGS, BY HEMMERLE | Christie's A PAIR OF AQUAMARINE AND ALUMINUM EARRINGS, BY HEMMERLE aluminum earrings pair aquamarine https://www.sothebys.com/en/buy/auction/2025/high-jewelry/pair-of-aluminum-and-diamond-earrings Hemmerle | Pair of Aluminum and Diamond Earrings | High Jewelry | diamond earrings hemmerle pair aluminum high