• Heritage Helena 1.51ct natural diamond oval ring in 18k gold, Matthews Jewellers Newcastle
  • Matthews Jewellers Heritage Helena 1.51ct GIA-certified natural oval engagement ring, est. 1957
  • Oval natural diamond engagement ring, Heritage Helena 1.51ct, GIA certified, Matthews Jewellers
  • Heritage Helena 1.51ct oval natural diamond ring, GIA certified, Matthews Jewellers Newcastle
  • Handcrafted natural diamond oval ring by Matthews Jewellers, Heritage Helena 1.51ct, est. 1957
  • Heritage Helena natural diamond oval ring, available online and in-store at Matthews Jewellers Newcastle
Heritage Helena 1.51ct natural diamond oval ring in 18k gold, Matthews Jewellers Newcastle
Matthews Jewellers Heritage Helena 1.51ct GIA-certified natural oval engagement ring, est. 1957
Oval natural diamond engagement ring, Heritage Helena 1.51ct, GIA certified, Matthews Jewellers
Heritage Helena 1.51ct oval natural diamond ring, GIA certified, Matthews Jewellers Newcastle
Handcrafted natural diamond oval ring by Matthews Jewellers, Heritage Helena 1.51ct, est. 1957
Heritage Helena natural diamond oval ring, available online and in-store at Matthews Jewellers Newcastle
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SKU: 1-9405

Helena | 1.5ct Oval Natural Diamond Engagement Ring

$18,840.00 AUD
Tax included.
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Product Details

This Helena diamond engagement ring has a 1.51ct Natural Mined Oval Diamond in a cathedral setting, all in platinum. With single Argyle diamond set inside the band, Helena is apart of our heritage collection. 

Designed and made by Matthews Jewellers, Newcastle. Fine jewellers since 1957.

Centre Carat Weight: 1.51ct Natural Diamond

Colour: F

Clarity: SI2

Report Number: GIA 683515894

Setting Style: Cathedral

Accent Diamonds: Set with a 0.01ct Argyle White Diamond in the Band

Band Width: 1.8mm x 2mm

Metal Colour: Platinum

Finger Size: M

Free re-sizing and shipping available within 24 hours of purchase (Monday to Friday).

20% off your Wedding Rings

Enjoy 20% off your wedding rings and 10% back in Matthews Money when you purchase your engagement ring with us.

Shipping and Timing


We offer complimentary Express Shipping Australia-wide on all orders. Each piece is carefully packaged and fully insured for peace of mind during transit.

For ready-to-wear items, please allow 24hours for dispatch (Monday to Friday).

Made-to-order and custom pieces typically take 6–8 weeks. Need it sooner? Contact us—we’ll do our best to accommodate your timeline.

why choose us

Luxury Without Compromise

30-Day Free Returns

30-Day Free Returns

We offer free 30-day returns on all Ready to Wear pieces purchased online.

Simply contact us for a free prepaid satchel - just ensure your item is in its original boxing before sending it back.

Your original postage bag is reusable, so place your item inside, seal it up, and send it our way.

Our Guarantee

Our Guarantee

With decades of experience and a proud family legacy, we stand behind every piece that leaves our workshop. Each item is a reflection of our craftsmanship, integrity, and care—backed by our Lifetime Guarantee. When you choose us, you're choosing quality that lasts a lifetime.

Complimentary Resizing

Complimentary Resizing

We offer complimentary resizing for the lifetime of your engagement ring. If you need your ring resized before it’s shipped, please let us know and include your preferred size in the notes section at checkout.

Not sure on the size? Your piece can be resized after your proposal. Get in touch and we can organise this.

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