Antique 1910s .75 carat Old European Cut solitaire diamond ring

A .75 carat Old European Cut diamond tucked in an early 20th century solitaire mounting. We found this mounting and diamond separately and decided to play matchmaker! The six-pronged mounting is sturdy 10K rose gold and marked for a ca. 1910s American manufacturer. The simplicity of this classic style makes this ring a dream to pair with your choice of wedding bands. Don't be put off by the clarity grade here, which comes from a natural crystal barely visible in the table. The color, cut, and clarity of the stone combine to create a lively, sparkling, light-filled diamond! 

This ring comes with a jewelry appraisal for insurance/replacement as well as a GIA Diamond Report. View the report here.

Measurements: Size 6 3/4 US, 1.4 grams. This ring may be sized in the 4-8 US range for $75.
Diamond details: (1) .75 carat Circular Brilliant (Old European Cut), SI2/I, 5.50-5.60 x 3.77mm
Era: 1910s
Markings: HB 10K

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.