Luminesce Lab Grown Certified 3 Carat Diamond Oval Solitaire Ring in 18ct White Gold

NOW $2,999
Ring Size Chart

Choose your measurement type and compare it with the sizes below.

Ring Measurement Type:

Finger Circumference (mm) Sizes
AUS    USA    Europe
44.2 F 3 4.25
44.8 F 1/2 3 1/4 4.75
45.5 G 3 1/2 5.5
46.1 G 1/2 3 3/4 6
46.8 H 4 6.75
47.4 H 1/2 4 1/4 7.5
48 I 4 1/2 8
48.7 J 4 3/4 8.75
49.3 J 1/2 5 9.25
50 K 5 1/4 10
50.6 K 1/2 5 1/2 10.5
51.2 L 5 3/4 11.25
51.9 L 1/2 6 11.75
52.5 M 6 1/4 12.5
53.1 M 1/2 6 1/2 13.25
53.8 N 6 3/4 13.75
54.4 N 1/2 7 14.5
55.1 O 7 1/4 15
55.4 O 1/2 7 1/2 15.75
56.3 P 7 3/4 16.25
57 P 1/2 8 17
57.6 Q 8 1/4 17.5
58.3 Q 1/2 8 1/2 18.25
58.9 R 8 3/4 19
59.5 R 1/2 9 19.5
60.2 S 9 1/4 20.25
60.8 S 1/2 9 1/2 20.75
61.4 T 9 3/4 21.5
62.1 T 1/2 10 22
62.7 U 10 1/4 22.75
63.4 U 1/2 10 1/2 23.25
64 V 10 3/4 24
64.6 V 1/2 11 24.75
65.3 W 11 1/4 25.25
65.9 W 1/2 11 1/2 26
66.6 X 11 3/4 26.5
67.2 X 1/2 12 27.25
67.8 Y 12 1/4 27.75
68.5 Z 12 1/2 28.5
Stock Selling Fast

Single's Day Sale: Extra 11% Off* Jewellery

Code automatically applied at checkout. Includes already reduced and clearance.
Excludes Watches. Ends 11/11/2026 *Terms, conditions & exclusions apply.

  • Ready to ship in 4-8 business days
  • Free Shipping over $69
  • 30 day returns (online only)
Sparkle Now, Pay Later
Description
Make a breathtaking statement with this Luminesce Lab Grown Certified 3 Carat Diamond Oval Solitaire Engagement Ring in 18ct White Gold. Featuring a certified 3 carat lab grown diamond in a stunning oval cut, this solitaire ring is a true symbol of timeless love and sophistication. The sleek 18ct white gold setting enhances the diamond’s brilliance, offering a clean and elegant finish. Perfect for those who appreciate both luxury and sustainability, this ring is designed to be treasured forever.

Please note: Resized items are non-refundable.

Specifications
  • Diamond clarity: SI1/2
  • Diamond colour: GI
  • Diamond cut: Oval Cut
  • Diamond weight: 3 carat
  • Gemstones: Diamond
  • Gold purity: 18ct
  • Materials: White Gold
  • Style: 4 Claw
  • Thickness: 1.46mm
Shipping & Returns

Online orders are dispatched with Australia Post from our Adelaide warehouse.

Standard Postage
FREE for orders over $69
$9.95 for orders under $69

Express Postage
$3.95 for orders over $69
$13.95 for orders under $69

Shipping FAQ ›

RETURNS

Online orders can be returned within 30 days of delivery if eligible. This excludes earrings, body jewellery, personalised products and items that have been worn, scratched, damaged, made to order or altered in any way (including resize).

Returns & Exchanges FAQ ›

It can often feel more draining than exciting to find the right jewellery. With so many choices out there on the crowded market, it's easy to feel lost or unsure about what to pick. What you're probably searching for is a piece that stands out, rather than another that looks like all the others. On top of that, despite the flood of eye-catching trends on social media, locating quality designs for milestones can remain elusive. Conversely, buyers mindful of their budget wish to ensure they're receiving true value for their investment. That's where Shiels makes a difference. Being both a family-owned-and-operated business and a leading Australian-owned jewellery retailer, we've helped people access beautiful, meaningful pieces since 1945. To uncover unique designs that are hard to find and stunningly crafted, our in-house jewellery hunters search around the world. We offer the largest range of jewellery at unbeatable prices, making it easier for you to discover something you'll love. We ensure that enchanting jewellery is accessible for everyone, with every piece selected for its quality and affordability. From timeless engagement rings and anniversary gifts to other designs like Luminesce Lab Grown Certified 3 Carat Diamond Oval Solitaire Ring in 18ct White Gold, we help you discover jewellery that's refined and a breeze to wear.

Thanks to our diverse offerings, you can find something that aligns with your taste, be it a ring for an anniversary or a celebratory bracelet for a birthday. We offer bangles, pendants, earrings, bracelets, rings, necklaces, anklets and chains, each balancing fashion and accessibility. Within our diamond selection, 1-, 2- and 3-carat pieces are offered in both natural and lab-created options. We also feature a wide array of gemstones, including ruby, opal, aquamarine, emerald and more. Should you have a preferred type of metal, you'll appreciate our offerings in yellow, white and rose gold. You'll also find additional choices in sterling silver and gold-plated items, as well as options in stainless steel. Whether it's a sentimental gift or a personal reward, our gemstone pendants and diamond eternity bands bring beauty to happy occasions. In terms of watches, we carry models from renowned brands such as Casio, Citizen and Seiko, offering options for men, women and children. You'll also discover automatic, chronograph and quartz options, plus plenty more in our collection. So, if you're interested in Sterling Silver Cubic Zirconia Flower Pendant on 42+3cm Chain, 9ct Rose Gold 0.05 Carat Diamond Ring with 5 Brilliant Diamonds or Sterling Silver CZ Double Heart Pendant, you can turn to our collection, as our pieces leave impressions that last a lifetime.

Shoppers who enjoy the convenience of browsing from home can easily explore our online platform by category, gemstone, metal or recipient. That being said, we realise that some customers want to visit a store when making their purchase. For this reason, we have shops throughout Western Australia, New South Wales, South Australia and Queensland, so accessing beautiful jewellery is always within reach. Plus, our Click & Collect service lets you enjoy a bit of both, with online shopping and in-store pickup. Regardless of your preference, our detailed guides help you make informed decisions, and a variety of payment options, including PayPal and credit cards, make checkout a breeze. Flexible plans through humm, Afterpay and Zip give you the chance to Sparkle Now, Pay Later. On top of this, you can return online orders on the off chance you're not satisfied with them. For a full refund, just make sure that you send us back the piece within 30 days of the original purchase date (terms and conditions apply). Whether you're after "Diamond Rings," browsing "Bangles" or comparing "Anklets," shop at Shiels today and get great quality at a fantastic price, every time.