- Antique 14k yellow gold genuine .40/100-ct. European Cut diamond ring with filigree mounting. This diamond has a color grade of H, and a clarity grade of SI1. This ring is a finger size 10 1/4, but it can be sized at no additional charge. If you require a specific size, please make note in the comments section at checkout. This ring has an enter weight of 3.3 grams.