Antique 1930s Art Deco .45 carat Old European Cut diamond engagement ring

This exquisite Old European Cut diamond engagement ring centers the eye with its eight-pronged setting and bold octagonal surround. The diamond is .45 carat and trimmed with delicate cut-out flower designs. Elegantly engraved volutes and rocaille-style details accent the gallery and shoulders. The upper portion of the band is gently chased on three sides. There is so much craftsmanship and care that went into this ring! It has a low profile and a pretty spread on the finger.

Measurements: Size 8 US, 1.7 grams. This ring may be sized in the 6 to 9 US range for $75
Diamond details: (1) .45 carat OEC diamond, VS/G-H
Era: 1920s-1930s
Markings: K18

NOTE: If you select "Size for me, please!" kindly indicate your preferred ring size at check out in the "Add a note to your order" box. Please allow 1 week for sizing to be completed. 

Payment Details

A 6% sales tax will be collected on orders shipped to our guests in Michigan.

Layaway is offered through the ShopPay checkout option! Select ShopPay and pay in 4 interest-free installments. You will receive your purchase without delay as in traditional layaway.


Domestic: In-stock items ship within three days of purchase (usually within two!) via USPS. Our default is USPS Priority Mail unless your purchase is over $1,000, in which case we require USPS Express Mail + signature confirmation. Insurance is included with all domestic purchases.

International: Default shipping is via USPS First Class International Mail unless the value of the parcel is $400 or more, in which case we default to USPS Priority Mail International shipping. Please allow 3–4 weeks for delivery. Insurance for international orders is available upon request and for an added fee.

Click here for our full shipping policy.

Need it in a hurry? Want to send it to a sneaky location? Prefer a different carrier than what you see here? Get in touch!

Returns & Exchanges

Your experience at Jean Jean Vintage is 100% guaranteed. If you are disappointed with your shopping experience or your purchase for any reason, please give us the opportunity to make it right for you!

Click here for details on returns, refunds, and exchanges.