42 cts and it is very well made in a thick and sturdy geometric design. It weighs 6.5 g and it is a size 8 that can easily be sized by a jeweler. The top measures 8.2 mm north to south and tapers down to a sturdy band that is marked 14 K on the inside.Not necessarily a man's ring it is a very beautiful sapphire diamond ring in excellent vintage condition ready to be worn and admired. Please know all items have been carefully and professionally examined and any issues have been carefully documented in the listing. I'm very sorry but all of the ring boxes etc. Are for display purposes only and not included. Thank you everybody and please be safe , many blessings. The item "Vintage men's 14K yellow gold natural blue sapphire diamond ring sz 8" is in sale since Saturday, March 6, 2021. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Fine\Retro, Vintage 1930s-1980s\Rings". The seller is "forgottentreasures503" and is located in Portland, Oregon. This item can be shipped to United States.