GB Q 1/2 US 8 1/2. As we aim to provide a very personable service, your full feedback is greatly appreciated. Please see our testimonials page to view just a sample of our feedback from now, repeat, long term. The item "ART DECO PLATINUM TRANSITIONAL CUT DIAMOND 2.45CT SOLITAIRE RING" is in sale since Friday, April 12, 2019.This item is in the category "Jewellery & Watches\Vintage & Antique Jewellery\Vintage Fine Jewellery\Art Deco (1915-1935)". The seller is "suecrispin" and is located in Hemel Hempstead. This item can be shipped worldwide.