Penumbra Ring

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Line cluster ring with unheated Umba sapphires

Inspired by the Light and Space art movement of the 1960’s, this one-of-a-kind piece was designed to showcase the unique beauty of its materials. Because of the scarcity of these stones, we only made one. 

CM Signature

This piece has sold.
For more information on creating a similarly inspired piece, please visit our Custom page

Penumbra Ring front view
Penumbra Ring worn on model
Penumbra Ring left view
Penumbra Ring right view
Penumbra Ring

Item Details 

Four step cut, unheated purple, Umba sapphires weight 1.07 ct., 0.60 ct., 1.13 ct. and 0.61 ct.

Stones are secured in bezel setting

Square wire shank measures 1.7mm

Set in 18k yellow gold

We proudly design all of our jewelry in Williamsburg, Brooklyn. Each piece is made to order in New York City.