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The Coates Ring


Size Guide

In this remarkable platinum ring from the Art Deco era, a natural emerald rests between two dazzling round brilliant cut diamond accents. The band, adorned with sparkling single and old European cut diamond accents, embraces the center stones for an enchanting and elegant look (approx. 0.68 total carat weight).

Size Guide

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product details

Ring Information

Design era:
Design era:
Art Deco

Gemstone Details

Diamond total carat weight:
Gemstone total carat weight:
Center gemstone:
Center gemstone shape:
Center gemstone details:
4x3.5mm rectangular-shaped natural emerald, very slightly bluish green color, moderately included clarity, approx. 0.28 ct. tw.
Additional gemstone details:
Twelve single/old European/round brilliant cut diamond accents, G/I color, VS2/SI1 clarity, approx. 0.68 ct. tw.
Since metal content and gemstones in existing pieces can be challenging to assess, product details, including evaluations of metal content, carat weight, treatment, age, authenticity and quality are based on best approximations by our GIA-certified gemologists.
Please note that emeralds require special care and should be handled and worn gently.
ethical sourcing
Eco-friendly alternative to new mining
5% of profits donated
Shipping & Financing
  • Easy monthly payments with Affirm. From 0% APR financing. Up to 36 months.
  • Special 12 month financing options available with Wells Fargo, subject to credit approval.
  • Layaway options also available.
Art Deco Design Era

The Art Deco era was a high-spirited, free-thinking time of gangsters, flappers, and speakeasies running from 1920 to 1935. Reflecting this, Art Deco jewelry is stylish and fun, as jewelry became a realm in which women felt free to express their individuality and confidence. Styles became bolder, sharper, and more masculine than earlier periods, with futuristic motifs and geometric forms.