The top measures 23 mm north to south or just barely under 1 inch and is also very wide with the rose and yellow gold leaves draping down the side in the traditional grape leaves style however this beauty has a. 27 ct full cut round faceted natural diamond center stone H - I color I -1 clarity. It is marked on the bottom Black Hills and both 10K and 12k for the gold content and it is a true statement piece of Black Hills gold rings in excellent vintage condition ready to be worn and admired.This item will be carefully packaged a. The item "Vintage Estate Huge 10K Black Hills Gold Mens. 27 ct Diamond Ring size 10 1/2" is in sale since Monday, October 29, 2018. 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, Canada, United Kingdom.