This is a antique ladies diamond engagement ring in 18 kt white gold. It features a round European cut diamond that weighs. It has been professionally graded as I II clarity with top light sliver color. It is accented by six round single cut diamonds that weigh. 012 carats each with grades averaging S I-2 clarity and H color. The total weight is. The mounting is very well made in 18 kt white gold. And the details and workmanship are excellent. Comes in a finger size 8 and can be re-sized. Don’t miss your opportunity to own this beautiful ring. Thank you for shopping with Studio Jewelers! « 25 Years of Trust and Service ». Studio Jewelers of Florida. Antique Diamond Engagement Ring 18 kt White Gold. Please check this listing page carefully as the answer is usually there. If not, let us know and we’ll try our hardest to give a quick reply. 14-11-2017 20:36:11. Listing and template services provided by inkFrog.