![thumbnail of 1930s Deco 0.50ct Diamond Ring (on white background)](http://eriebasin.com/cdn/shop/products/050ctplat0215_medium.jpg?v=1561661603)
![thumbnail of 1930s Deco 0.50ct Diamond Ring (profile view)](http://eriebasin.com/cdn/shop/products/050ctplat02154_medium.jpg?v=1561661603)
![thumbnail of 1930s Deco 0.50ct Diamond Ring (detail)](http://eriebasin.com/cdn/shop/products/050ctplat02153_medium.jpg?v=1561661603)
![thumbnail of 1930s Deco 0.50ct Diamond Ring (side view)](http://eriebasin.com/cdn/shop/products/050ctplat02152_medium.jpg?v=1561661603)
![thumbnail of 1930s Deco 0.50ct Diamond Ring (on black background)](http://eriebasin.com/cdn/shop/products/050ctplat02151_medium.jpg?v=1561661603)
![1930s Deco 0.50ct Diamond Ring (on white background)](http://eriebasin.com/cdn/shop/products/050ctplat0215_1024x1024.jpg?v=1561661603)
![1930s Deco 0.50ct Diamond Ring (profile view)](http://eriebasin.com/cdn/shop/products/050ctplat02154_1024x1024.jpg?v=1561661603)
![1930s Deco 0.50ct Diamond Ring (detail)](http://eriebasin.com/cdn/shop/products/050ctplat02153_1024x1024.jpg?v=1561661603)
![1930s Deco 0.50ct Diamond Ring (side view)](http://eriebasin.com/cdn/shop/products/050ctplat02152_1024x1024.jpg?v=1561661603)
![1930s Deco 0.50ct Diamond Ring (on black background)](http://eriebasin.com/cdn/shop/products/050ctplat02151_1024x1024.jpg?v=1561661603)
Vintage
1930s Deco 0.50ct Diamond Ring
![1930s Deco 0.50ct Diamond Ring (on white background)](http://eriebasin.com/cdn/shop/products/050ctplat0215_1024x1024.jpg?v=1561661603)
![1930s Deco 0.50ct Diamond Ring (profile view)](http://eriebasin.com/cdn/shop/products/050ctplat02154_1024x1024.jpg?v=1561661603)
![1930s Deco 0.50ct Diamond Ring (detail)](http://eriebasin.com/cdn/shop/products/050ctplat02153_1024x1024.jpg?v=1561661603)
![1930s Deco 0.50ct Diamond Ring (side view)](http://eriebasin.com/cdn/shop/products/050ctplat02152_1024x1024.jpg?v=1561661603)
![1930s Deco 0.50ct Diamond Ring (on black background)](http://eriebasin.com/cdn/shop/products/050ctplat02151_1024x1024.jpg?v=1561661603)
Sold
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A simple 1920-30s Art Deco engagement ring with a beautifully cut half carat old European cut diamond set in platinum. Single cut diamonds in triangular formations on either side of the center lend a subtle geometric quality to the ring without taking away from its slender profile.