This vintage Art Deco Platinum blue sapphire diamond wedding ring was impeccably crafted.  This lovely 1920s ring has a center round dark blue sapphire measuring over 1/2 carat.  On each side of this center blue sapphire are  single cut diamonds layered on three tiered levels . Encircling the blue sapphire is a lacy single cut diamond border. This square mounting holds the blue sapphire. Geometric designs like this square mounting were frequently used during the Art Deco Jewelry period of the early 1900s.  This estate wedding ring is crafted in durable platinum. 

Diamonds: One round blue sapphire measuring appx 0.65 carat weight,  5mm diameter, Clarity: eye clean, Color: medium dark blue
Surrounding diamonds:  Twenty single-cut, about 0.02 ct ea, appx 0.40 ct tw, Clarity Grade - SI1, Color Grade: H,I
Total diamonds: appx 0.40 carat total weight
Weight: 2.6 Grams
Platinum:  tested, but not marked
Size: 4, complimentary resizing offered
Sapphire is a replacement for original diamond
Circa: 1920s