G. WEIL 18CT GOLD,DIOPTASE STONE AND DIAMONDS. £2,700.00 Home British (sold) G. WEIL 18CT GOLD,DIOPTASE STONE AND DIAMONDS. This item has been sold. Photo Gallery G. WEIL 18CT GOLD,DIOPTASE STONE AND DIAMONDS. × Signed brooch by G.Weil..British c 1970s,5 diamonds of good quality. Listing ID: 117505890b9cf634 Share Interested in this item Contact us at the following email address: sandy@sandystanleyjewellery.co.uk