Vintage 1980s Adler 18ct Gold Ring. Huge 8.69ct Heart Cut pink Sapphire. Designed and made by Adler in Switzerland in the 1980s. 750 mark for 18ct gold. Mark for the gem cut type and sapphire carat weight of 8.69. The ring design is similar to those of Bulgari from the same period. The gem stone was lab assayed on 26th Feb 2021 by Gemmological Certification Services in Bond St, London. Code 81297-02: Ring with pink synthetic corundum - Heart cut. The item "Vintage 1980s Adler 18ct Gold Ring. Huge 8.69 ct Heart Cut Sapphire" is in sale since Friday, March 5, 2021. This item is in the category "Jewellery & Watches\Fine Jewellery\Fine Rings\Gemstone". The seller is "yousaythenicestthings" and is located in London. This item can't be shipped, the buyer must pick up the item.