A gorgeous antique ruby ring. The natural ruby in the centre - certificated as natural and unheated - displays a vibrant pinkish, purplish red. The stone is rubover set in yellow gold and surround by 10 old mine cut diamond in a coronet settings, leading to a slim and tapering 18k yellow gold shank. Accompanied by a sapphire report from The Gem & Pearl Laboratory stating the ruby shows no evidence of heating.Cut: The ruby is slightly off round (oval). The diamonds are old mine cuts. Colour: The diamonds range from H to I.Clarity: The ruby is clean through a jeweller''s loupe. The diamonds range from VS2 to SI2; all are clean to the naked eye.Carat: The ruby is approximately 0.70 carat, with a total approximate diamond weight of 0.50 carat.Circa: 1920.Size: P 1/2 (UK) or 7.75 (US). Free sizing available.Measurements: The ruby is approximately 5.75 x 5.5mm. The head of the ring is 10.2 x 10.1mm and sits 4.7mm from the finger.Weight: 2.86 grams.Metal: Stamped 18CT - indicating 18k yellow gold - and tested to confirm.