Timeless elegance
Tiara Marquise Ring | 2ct & 4ct Lab Diamond | Shared Prong Band | Solid Gold
Tiara Marquise Ring | 2ct & 4ct Lab Diamond | Shared Prong Band | Solid Gold
SHOP OUR SIGNATURE OVAL SOLITAIRE
Couldn't load pickup availability
- Because She Deserves The Best💕
- Finest Hand-Picked Diamonds 💎
- Free Insured Express Shipping On Us
- Experience unparalleled finest-quality premium VVS Quality Lab Diamonds that radiate exceptional fire and brilliance, forever.
Experience the marquise cut in its most powerful form. The Infinite Marquise Ring is a bold, modern interpretation of the classic solitaire. By pairing a substantial center stone with a band featuring matching, shared-prong marquise diamonds, we have created a seamless flow of brilliant light that extends all the way around the finger.
Why this is the "Smart Luxury" choice:
The "Double Marquise" Impact: We have unified the design language by using the distinct marquise shape for both the center stone and the band. This geometric consistency creates a sophisticated, cohesive look that maximizes light performance.
The Illusion of Size: The unique elongated shape of the marquise cut inherently has the largest face-up area of any diamond shape. This ring uses that effect twice, offering an visual presence that far exceeds its carat weight.
Architectural Setting: The shared prong setting minimizes the visible metal between the side stones, creating an uninterrupted "river of diamonds" effect while ensuring maximum stone security for daily wear.
Solid Gold Guarantee: Crafted in your choice of 14K or 18K Solid Gold. This piece is designed to be a permanent heirloom, resisting tarnish and fading.
The Stone:
Size Options: Select a substantial 2.00ct or a truly monumental 4.00ct certified Lab-Grown center stone.
Side Stones: Marquise Lab Diamonds set in a Share Prong Setting.
Hidden Halo: Lab Diamond Hidden Halo
Type: 100% Certified Lab-Grown Diamond (Chemically and physically identical to mined diamonds, without the mining impact).
Cut: Premium Marquise Cut, selected for symmetry to avoid the undesirable "bowtie" effect.
The Vibe: Unapologetically glamorous. Boldly geometric. Designed for the woman who wants maximum fire and presence from every single angle.
| Feature | Specification |
| Center Stone Options | 2 Carat or 4 Carat Lab-Grown Diamond |
| Shape | Premium Marquise Cut |
| Band Style | Shared Prong Marquise Setting |
| Metal Options | Solid 14K or 18K Gold (Yellow, White, Rose) |
| Ethical Status | 100% Conflict-Free & Sustainable |
| Origin | Hand-finished in Melbourne, Australia |
- Brilliant Fire
- Limited Edition
- Finely Crafted
SHIPPING
SHIPPING
Shipping speed is one of our top priorities. We aim to ship within 1 working day.
*To ensure highest quality some uniquely handcrafted products may have a 4-6 working days processing time. We want you to love your products and appreciate your patience understanding*
**Expedited shipping only applies to the actual shipping portion of the order, it does not expedite the processing time of orders**
Shipping Times
Australia Post -
Metro: 2-3 Days
Regional: 3-5 Days
Overseas: 6 -10 Days
RETURNS
RETURNS
We strongly believe in providing great customer service. If you are not completely satisfied with your purchase, we offer a return policy for most items as long as they are in their original condition, unused & undamaged. Return requests must be initiated & completed within 14 days of receiving your order.
To keep our standards high, this policy helps safeguard against returns of items that have been used or worn. At the heart of it, our mission is to give you a seamless and positive shopping experience.
Please note that we do not accept returns of earrings for hygiene reasons as per Australian health and hygiene laws. Earrings cannot be returned for an exchange or full refund for change of mind. Australian health and hygiene laws prohibit the return of worn earrings.
Please Note: For all Made-To-Order and Custom Jewellery Items — including Earrings, Necklaces, Pendants, Rings, and Bracelets — we are unable to accept returns. This policy is in place to prevent misuse and ensure that every customer receives a brand-new, handcrafted piece made especially for them. We are committed to keeping our prices fair while maintaining premium craftsmanship. By protecting against return abuse, we ensure our genuine customers continue to enjoy the highest quality jewellery at the best value.
This includes and applies to all Solid Gold and Sterling Silver Rings under our Moissanite Luxury Collection as well as our IGI-Certified Lab Diamond Ring Collection.
Ring Resizing & Exchanges
At Aura Diamonds, we want to ensure your ring fits perfectly and you’re 100% happy with it. We follow standard universal Australian/US/UK Ring Sizing
Solid Gold Rings: We provide resizing assistance at an additional charge to keep our product prices fair and accessible. You may choose to resize your ring with us, or with a trusted local jeweller in person.
Sterling Silver Rings: Resizing is not recommended, as it can damage the rhodium plating. We exchange most rings excluding Luxury Moissanite Collection as they are made to order.
Exchanges: For most non-custom-made rings, we are able to offer a size exchange, provided the item is unused and in brand-new condition.
If you’re unsure about your size, please reach out to our team — we’re happy to guide you before purchase to help you find the right fit.
To initiate a return, please email shop@aura-diamonds.com.au. Once your return is received and inspected, we will send you an email to notify you that we have received your returned item.
Your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 10 business days.
Please note that customers are responsible for covering their own return shipping costs. Shipping fees are non-refundable.
For Change of Mind returns, please note that, payment processing fees charged by third-party providers such as PayPal, Mastercard, Visa, Amex, AfterPay, and Klarna are non-refundable and will be deducted from the total refund amount.
If you have any questions about our shipping or return policies, please contact us and our customer service team will be happy to assist you.
What is IGI-Certified Lab Diamond?
What is IGI-Certified Lab Diamond?
When you see "IGI-certified lab diamond," it means a lab-grown diamond has been graded and authenticated by the International Gemological Institute (IGI).
Lab-grown diamonds:
These are real diamonds created in a laboratory setting, replicating the natural processes that form diamonds in the Earth.
They possess the same chemical, physical, and optical properties as natural diamonds.
IGI (International Gemological Institute): This is a globally recognized gemological laboratory that provides independent evaluations of gemstones, including lab-grown diamonds. They assess diamonds based on the "4Cs": Carat (weight), Colo, Clarity, Cut
In essence, an IGI-certified lab diamond is a diamond created in a lab that has been professionally evaluated and documented by a reputable gemological institute.
At Aura Diamonds, We Handpick the Finest quality premium Gemstones.
- Brilliant Sparkle
- Cost-Effective Alternative
- Exceptional Luxury
- Ethical and Conflict-Free
Share

ELEVATE YOUR STYLE TODAY
EXPERIENCE LUXURY
Experience world-class luxury at an affordable price. AURA pairs supreme craftsmanship with affordability, ensuring quality in every piece. Trusted by over 100,000 customers Australia-wide, quality is our promise.
YOUR SATISFACTION IS OUR TOP PRIORITY
That's What We Guarantee
KEEP IN TOUCH
Be the first to know about new collections and exclusive offers.