Tru Brite diamond ring

Description Vintage Mid-Century Circa 1960 Constructed of 14KT Yellow Gold Containing a total of 13 Genuine Earth-Mined Colorless Nearly Flawless to Slightly Included Round Single cut Diamonds weighing a total of approximately 0.28 carats Butterfly measuring approximately 12mm x 13mm (set on an angle) & top section of ring measures 4.2mm high when on the finger --Shown on a Woman's Finger in the natural daylight-- unsure of the size i would guess a 5 Inside shank signed: TruBrite 14k Weighing 3 grams Piece shipped insured via USPS Priority Mail requiring signature upon delivery.