You are viewing a nice quality 18K yellow and white gold cigar band style custom made ring made in the 1980's. The ring measures 17 mm or just under 3/4" long up the finger by 22mm or 7/8" across. It is set with an oval cut natural Blue Sapphire weighing around 1 carat with a halo of accent Diamonds totally 1/5 of a carat. The ring is marked: 18K. Half the band is yellow gold and the other half is white gold. The ring has an open shank and it is a size 7 and could be stretched to a 7 1/4. The ring weighs 13.9 grams.