A 9ct gold designer ring featuring a wonderful quality deep blue sapphire with a glorious colour which is set in a fantastic raised Modernist setting and surrounded by beautiful clear sparkling gemstones which are not diamonds. It is fully hallmarked for 9ct gold with a crown, "375", the London assay mark, the makers mark " S&K" and the date letter "A" for 1975. It weighs 3.3 grams. Size O 1/2. Excellent condition.