Art Deco Square Sapphire and Diamond Ring

Description

Key Features:

• MATERIALS: 18ct yellow gold, diamond, sapphire, platinum.
• DIMENSIONS: Approx: sits 16mm across the finger, diamond is 0.25ct 4mm diameter, each sapphire is 3.8mm diameter.
• ERA/HALLMARK: Art Deco, circa 1930s. Stamped 18ct & PT.
• SIZE: UK M 1/2 US 6 1/2 can be resized.
• WEIGHT: 3.07g
• CONDITION: Very good condition, quality stones and no damage.

This Art Deco sapphire and diamond ring is a timeless trilogy design, set in 18ct yellow gold and platinum. It makes a beautiful antique engagement ring, a September birthstone gift, or a meaningful heirloom.

At the centre sits an old cut diamond, approx. 0.25ct, sparkling with that soft, romantic glow only antique stones carry. On either side, two richly-hued sapphires are set in square platinum mounts. Their deep navy colour contrasts beautifully with the warm gold band, so the stones really stand out.

The trilogy layout is not only elegant but symbolic. It represents your past, present, and future—making this Art Deco sapphire and diamond ring a thoughtful choice for engagements, anniversaries, or milestones. While the design is rooted in the 1930s, it still feels fresh and wearable today.

Because the band is slender and smooth, it sits comfortably on the hand. Although refined, it’s strong enough for everyday wear. In addition, the sapphires offer a striking nod to September’s birthstone, so it’s a lovely option for birthdays too.

Together, the diamond and sapphires create balance and harmony. Therefore, this ring feels both romantic and architectural—a perfect blend of softness and structure.

Why we love this ring

There’s a quiet strength to this piece. The diamond glows with vintage soul, while the sapphires add elegance and depth. We love how it tells a story—of time, love, and design that endures. Whether gifted or self-chosen, it’s the kind of ring that feels instantly at home.

Click here to view our wonderful sapphire jewellery collection.

SHIPPING – UK ORDERS: Orders received before 11am Monday-Friday UK time will be dispatched the same day. This is via Royal Mail Special Delivery which is a fully tracked and insured service and will require a signature on arrival.

INTERNATIONAL ORDERS:
Please allow 1-2 days processing time. For orders under £350 we use Royal Mail International Tracked and Traced, with delivery around 7-10 days. For orders above £350 we use a door to door courier service with delivery between 3-7 days depending on location.

You will receive a tracking number for accurate delivery information. We are not responsible for any import duty or VAT on delivery, this rate varies in different countries so please get in touch with your local customs office for more information.

Our jewellery comes packaged in a beautiful black faux leather box and black branded gift bag.

RETURNS:
We do accept returns provided they are returned within 14 days from receiving the item. We will issue a full refund minus the shipping cost.

We will provide a return address and this must be returned at the cost of the customer using a fully insured, tracked and signed for service.

The item must be returned exactly as it was sent, unaltered and undamaged and in the original packaging. This must be marked clearly as a return, otherwise we reserve the right to deduct any import charges made to us from the refund on all international orders.

We do not accept returns on sale items or alterations including ring sizings