Rings

The Tiana | 2.50ct Oval Lab Grown Diamond Trilogy Engagement Ring

SKU: 001-001-02892

18ct yellow gold • diamond

$7499.00
or from $224.97/month with Zip
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When do you need your piece?

Select a completion timeframe that aligns with your proposal or special moment.

Delivery Estimate:

ESTIMATED COMPLETION DATE:

Your piece is fully insured and securely stored in our safe until your chosen date.

Afterpay Available in-store
Zip PayFrom $224.97/month
Complimentary Resize
Up to 2 sizes up or down. T&Cs apply
Free & Insured Delivery
Free insured express shipping on orders over $500
Shipped Discretely
Delivery, thoughtfully and discreetly handled
Finance Available
Flexible payment options with Afterpay & Zip
7-Year Diamond Guarantee
Conditional on 6-monthly professional clean & check. T&Cs apply
Signature Gift Box
Complimentary luxury packaging with every order

Product Details

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Elegant and symbolic. The Tiana showcases three dazzling oval lab grown diamonds, with a striking centre stone framed by two side diamonds. Representing the past, present, and future of your love story, the trilogy design is set in a blend of yellow and white gold for a timeless two-tone finish. A perfect choice for those seeking romance, sustainability, and enduring beauty.

18ct Yellow & White Gold
Trilogy Lab Grown Diamond Engagement Ring
1 x Oval Lab Grown Diamond = 1.50ct
2 x 0.50ct Oval Lab Grown Diamonds = 1.00ct
Diamond Colour D
Diamond Clarity Vs1
Total Diamond Weight = 2.50ct
Ring Size O
IGI Certified & Laser Inscribed
'The Tiana'

001-001-02892

Shipping
  • Free Australia-wide shipping on orders over $150
  • Express shipping: 1-3 business days
  • Complimentary signature gift box with every order
  • International shipping available
Returns
  • 30-day hassle-free returns on unworn, unaltered items in original packaging
  • Custom-made, engraved, or resized pieces are final sale
  • Refunds are processed within 5-7 business days of receiving the returned item
  • To initiate a return, contact us at service@myjewelleryshop.com.au or call (07) 5572 9009
  • Items must be returned via insured, trackable post
  • 7-year diamond guarantee (conditional on 6-monthly professional clean & check - not annual, must be every 6 months). View full T&Cs
  • Complimentary 6-monthly professional clean and check service
  • Complimentary ring resize up to 2 sizes up or 2 sizes down. Resizing beyond 2 sizes may require remaking and additional costs. Rings with diamonds down the band may have limitations. View full T&Cs
  • Certificate of authenticity included

Our jewellery experts are here to help you find the perfect piece.

Phone: (07) 5572 9009

Email: service@myjewelleryshop.com.au

Monday - Friday: 9am - 4:30pm AEST
Saturday: 9am - 3pm AEST

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Confirm your ring size

Is your size () confirmed by us or a local jeweller? We recommend double checking your ring size to ensure it is correct, as most rings can only be resized by a small amount.

If you need assistance with ring sizing, please contact us here.

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The Tiana | 2.50ct Oval Lab Grown Diamond Trilogy Engagement Ring
The Tiana | 2.50ct Oval Lab Grown Diamond Trilogy Engagement Ring Default Title

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Find Your Perfect Fit

Ring Size Guide

Use the chart below to find your Australian ring size. If you're unsure, visit our Gold Coast showroom for a professional fitting, or order our free ring sizer.

AU SizeUS SizeUK SizeDiameter (mm)Circumference (mm)
H4H14.946.8
I4.5I15.348.0
J5J15.749.3
K5.5K16.150.6
L6L16.551.8
M6.5M16.953.1
N7N17.354.4
O7.5O17.755.6
P8P18.156.9
Q8.5Q18.558.1
R9R18.959.5

Pro Tip

Fingers tend to be slightly larger in the evening and during warmer weather. For the most accurate measurement, measure your finger at the end of the day at room temperature. If you're between sizes, we recommend going up half a size.

📏
String Method

Wrap a thin string around your finger, mark where it overlaps, then measure the length in mm against the chart above.

💍
Existing Ring

Place an existing ring that fits well on a ruler and measure the inside diameter in mm. Match it to the chart above.

📦
Free Ring Sizer

Request our complimentary ring sizer kit delivered to your door. Request yours here.

🏬
Visit Our Showroom

Get professionally sized at our Gold Coast showroom. No appointment needed — walk-ins welcome!

Interactive Ring Sizer

Drag the slider to match your finger measurement, and we'll tell you your ring size.

M 16.9mm diameter
14.9mm (H) 18.9mm (R)

Complimentary Ring Sizer

We will post our professional ring sizer kit to your door at no cost.

Posted within 1-2 business days. Australia-wide delivery.

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