Hey, I found this really awesome Etsy listing at https://www.etsy.com/listing/231958608/antique-art-deco-engagement-ring
Exquisite Edwardian Sapphire Diamond Engagement Ring
Exquisite Edwardian Sapphire Diamond Engagement Ring, made from platinum topped 18k yellow gold centering an impressive Cushion cut natural sapphire gauged at 2.10cts accompanied with a Guild Laboratories certificate stating the sapphire is of Ceylon origin and heat treated. This gorgeous, bright sapphire is further surrounded by a scalloped halo of fourteen rose cut diamonds totalling about 0.15ct and complete with a simple 18k yellow gold shank. 1900-1915
1.00 Carat Diamond and Sapphire Deco Solitaire
This is a gorgeous, all-original ring from the early Art Deco period. A 1.00 carat European-cut diamond is set in an octagonal bead setting and wrapped with both calibre sapphire and European-cut accent diamonds amidst the scrolled piercework. An orange blossom motif decorates the shoulders. Divine. Ring size 7 1/4.