Art Deco Engagement Ring 0.33 cttw Old European Cut Diamond Engagement Ring in 18k White Gold 1/3 cttw

Here are the particulars of this rare and stunningly crafted vintage piece: *2.5 grams of 18k white gold * Center Diamond is desirable Old European Cut * Center Diamond measures 3.9mm diameter which equates to 0.22 ctw * Center Diamond looks to be VS1 or VS2 and I color. * for side diamonds are 1.75mm diameter which is about 0.025 ct each and same clarity and color. They appear to be hand cut from the same original diamond stone. * it is in good vintage condition with signs of wear, but well...