The Antique Jewellery Company
Latest Finds What's Hot Expert Picks The Archive Sale Eras Collections
Contact Book Appointment
Wishlist Sign In
The Antique Jewellery Company
Free Delivery, Returns & Sizing
Book Your Appointment
The Antique Jewellery Company Experts since 1975Read Our Story
The Antique Jewellery Company

Art Deco Platinum Onyx & Marquise Diamond Rectangular Shaped Ring

358N
698 Admirers Rare Find
Written by Olly Gerrish

This is a pure Art Deco platinum ring that was made in the 1920s and is most likely German or Austrian origin. The design is a strong geometric look that personified the era. In the middle is a marquise shaped diamond that weighs nearly one carat. Around it is onyx with canted corners set with small diamonds. There is attention to detail throughout with millgraining to the edges of the platinum. This is when the edges of the metal have been worked with a knurling tool to produce tiny beads, hence the French name “Millgrain” meaning a thousand beads. It sits low on the finger so it is a practical ring to wear.

The Details
Ollys Pick

Oh my God I really love this ring!

Essentials

Item Number:
358N
Materials:
Measurements:
Diamond 1cm by 5mm at widest point
Approx weight 95 points
I colour
Top of ring 1.6cm by 9mm
Small diamonds approx total weight 4 points
Place of Origin:
Possibly Germany or Austria
Discovered:
6 years ago

Hallmarks

Unmarked, platinum
Many pieces of antique jewellery were unmarked because hallmark regulations were not obligatory until 1972.

Condition

Fair
Good
Very Good
Excellent

Ring Sizing

We offer one free complimentary sizing for this ring.

Ring sizing adds 2-3 working days to the delivery estimate.

Ring Sizing Icon
Current Ring Size
Eligible for Free Resizing

View Sizing Chart
Download our Measurer
More info

Delivery

We are pleased to offer FREE DELIVERY on all purchases.

All orders are fully insured and dispatched securely by our trusted partner, DHL Express.

Estimated Arrival Delivery
UK – 18th June
USA & Europe – 20th–24th June
Rest of World – 25th–27th June

Please Note:
Ring sizing adds 2-3 working days to the delivery estimate.

More info, including Duties & Taxes

Returns

We are pleased to offer a 30 day, full money-back guarantee on all purchases.

UK Returns UK
FREE, with a pre-paid returns envelope

International Orders USA, Europe & Rest of World
Buyer pays for return postage and any taxes/duties applied
More info

Join over 5,000 couples worldwide who have chosen one of our engagement rings

Sustainable Luxury

The Responsible Choice

Buying antique jewellery is both ethical and eco-friendly as harmful and destructive mining processes are not needed to make an item yours. So give yourself a pat on the back!

Find Out More
Sustainable Luxury
AJC Guarantee
Our Guarantee

Our Guarantee

We always stand by our five core principles:
Quality, Rarity, Expertise, Peace of Mind and Personal Touch

Find Out More