Diamond Ring in Gold with Sapphire 18K 3.13g 16.5mm

All ring sizes listed on Vintage Jewelry Online refer to the **inner diameter** of the ring, measured in millimeters.

To find your size, simply wrap a thin strip of paper or thread around the base of your finger and mark where it overlaps. Measure the length between the marks and use the table below to find your corresponding ring size.

Tips for Accurate Measurement

– Use the thinnest possible strip of paper or thread for precision.
– Measure at the narrowest part of your finger, typically near the base.

Ring Size Conversion Table.
All measurements are provided in millimeters.

Orders placed before 16:00 (CET) on weekdays are typically shipped the same day. All shipments are insured and traceable via PostNord. Delivery times vary depending on your location, but most orders within Europe arrive within 1–4 business days.

Returns

Not the right size? Changed your mind? No problem! Returning a product is easy. Simply submit your return request within 14 days of receiving your order to receive detailed return instructions.

Customers are responsible for returning the item safely—preferably using an insured and trackable shipping method.
Start your return request here, and we’ll be happy to assist you!

We guarantee that all product information provided on our website is accurate and verified. Vintage Jewelry Online is operated by Pantit Sverige AB, which is supervised by the Swedish County Administrative Board. All purchases are protected under Swedish consumer rights and purchase laws.

Valuation Certificate

With each item you purchase, you will receive a downloadable valuation certificate for the item. Each certificate features a clear, professional photograph, a comprehensive description of the jewelry, and the item’s estimated market value. These certificates are suitable for use in insurance matters, estate and inheritance settlements, as well as property division.

All items are sold in their current condition, and we encourage buyers to carefully review each product listing and description to understand the item’s state before making a purchase.

Explanation of Condition

New Condition: The item is showing no or minimal signs of wear.
Good Condition: The item looks good and works as it should. Signs of use may be visible upon closer inspection.
Vintage: The item shows clear signs of wear consistent with age and history.
Broken: The item requires attention — such as repair, restoration, or similar care — before regular use.

Every item is professionally cleaned and polished before shipping. If you prefer to receive your item in its original, unpolished condition, simply let us know at checkout. Each piece is carefully packaged and presented in elegant wrapping before being sent to you.