A Ladies Exquisite 18K White Gold Large Purple Sapphire And Diamond Ring Set With An Approximate 4.75 Carat Cushion Cut Purple Sapphire That Measures 11.76 X 9.40 X 5.10 Mm.  The Natural Purple Sapphire Is GIA Certified To Be Of Madagascar Origin And To Have No Indications Of Heating (Quite Rare).  It Displays A Beautiful Pink Fluorescence When Exposed To Ultraviolet Light.  There Are A Total Of 50 Round Brilliant Cut Diamonds Possessing H Color And SI Clarity And Having A Total Weight Of 1.10 Carats.  The Ring Is Size 7