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Golden Ratio Ring

$ 48.09 $ 43.28

Concrete is for more than just construction, as demonstrated by this golden ratio ring.


Designed and handmade by TUMO Studios students, during an atelier led by Studio Mondocubo.


Material: concrete + brass + gold plating


Available sizes

Small (ø 15,9mm)

Medium  (ø 16,6mm)

Large  (ø 18,1mm)


SKU: J-CR1 Category: Tag:


Since our products are handcrafted and unique, we require 7-10 days for production from the time your order is placed.

Additional information

Weight0.1 kg

Large, ø 18,1mm, Medium, ø 16,6mm, Small, ø 15,9mm