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- Regular price
- $3,900.00
Ember Marquise Diamond Ring
- Regular price
- $3,900.00
Find Your Perfect Fit
A guide to accurate ring sizing and diamond proportions.
1. Ring Size Conversion Chart
We use the standard Australian/UK (Alphabetical) sizing system. Use the table below to find your match based on your diameter or circumference.
| Inside Diameter (mm) | Inside Circumference (mm) | AU / UK Size | US / Canada Size |
|---|---|---|---|
| 14.1 mm | 44.2 mm | F | 3 |
| 14.9 mm | 46.8 mm | H | 4 |
| 15.7 mm | 49.3 mm | J ½ | 5 |
| 16.5 mm | 51.9 mm | L ½ | 6 |
| 17.3 mm | 54.4 mm | N ½ | 7 |
| 18.1 mm | 57.0 mm | P ½ | 8 |
| 18.9 mm | 59.5 mm | R ½ | 9 |
Includes printable ruler and physical sizing circles.
2. Stone Size: mm vs. Carat Weight
Diamond carat weight measures mass, while millimeter (mm) measures physical dimensions. Use this as a visual reference for Round Brilliant cut stones.
| Carat Weight (ct) | Round Diameter (mm) | Style Guide |
|---|---|---|
| 0.25 ct | 4.1 mm | Subtle & Minimalist |
| 0.50 ct | 5.2 mm | The Classic Choice |
| 1.00 ct | 6.5 mm | Timeless Brilliance |
| 1.50 ct | 7.4 mm | Commanding Presence |
| 2.00 ct | 8.1 mm | Luxury Statement |
Professional Measurement Tips
Temperature: Fingers shrink in the cold and swell in the heat. Measure at the end of the day when your hands are warm.
Band Width: Wider bands feel tighter on the finger. If you are choosing a wide eternity band, we recommend ordering one half-size larger.
Between Sizes: If you fall between two sizes, always opt for the larger size to ensure a comfortable fit.
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Ember Marquise Diamond Ring
- Regular price
- $3,900.00
Ember Marquise Diamond Ring is a marquise-cut diamond engagement ring handcrafted in our Byron Bay Hinterland atelier. A single marquise-cut diamond centre stone held in a six-claw basket setting that lets light flood through from every angle, in your choice of IGI-certified lab-grown or GIA-certified natural F VS diamonds.
Made to order by Australian goldsmiths in 9ct or 18ct yellow, white, or rose gold, as well as platinum 950. Choose your centre carat (0.50, 1.00, or 1.50ct), diamond origin, and ring size (5-10) to begin your bespoke piece.
Every Lucano piece is fully customisable. Contact us for a free consultation or a custom quote — we'll work with you on diamond origin, carat, metal, and any bespoke variation.
For other marquise designs, see the Halo Lumina Marquise Solitaire or the Ember Pear Ring.
Why Ember Marquise Diamond Ring
- Marquise solitaire, six-claw basket: a single marquise-cut diamond held in an open six-claw basket setting that maximises brilliance from every angle.
- Choose your centre carat: 0.50ct, 1.00ct, or 1.50ct centre stones. The marquise cut elongates the finger and reads larger than its carat weight.
- Certified diamonds: IGI-certified lab-grown (E VVS1) or GIA-certified natural (F VS1 or E VS2) F VS diamonds.
- Seven metal options: 9ct or 18ct yellow, white, or rose gold. Platinum 950 also available.
- Handcrafted in Australia: made to order by atelier goldsmiths in Byron Bay Hinterland. Responsibly sourced gold, aligned with RJC standards.
- Lifetime craftsmanship warranty: covers the workmanship of every Lucano ring for life. Free shipping Australia-wide.
Specs and details
- Centre stone: marquise-cut diamond, F VS
- Setting: six-claw basket setting
- Centre carat options: 0.50ct, 1.00ct, or 1.50ct
- Lab grown clarity: E VVS1 (IGI-certified)
- Natural diamond clarity: F VS1 or E VS2 (GIA-certified from 0.30ct)
- Band: comfort fit, polished finish
- Metal options: 9ct/18ct yellow, white, rose gold, or platinum 950
- Ring sizes: 5 to 10
- Lead time: hand-made to order, 4 to 8 weeks
- Origin: Byron Bay Hinterland, Australia
Frequently asked questions
What is a marquise-cut engagement ring?
A marquise-cut engagement ring features an elongated, boat-shaped diamond with pointed ends. The cut was commissioned by King Louis XV of France in the 18th century, said to resemble the smile of the Marquise de Pompadour. Worn point-to-fingertip, the marquise elongates the finger and reads larger than its actual carat weight.
What is a six-claw basket setting?
A six-claw basket setting holds the diamond with six small prongs forming a basket-like cradle, allowing light to flood through from every angle. It is a classic, secure setting that maximises brilliance and protects the points of a marquise stone.
Can I choose between lab-grown and natural diamonds?
Yes. The Ember Marquise is offered with either IGI-certified lab-grown (E VVS1) or GIA-certified natural (F VS1 or E VS2) diamonds, at 0.50, 1.00, or 1.50ct centre weights.
How long does it take to make?
Hand-made to order in our Byron Bay Hinterland atelier by Australian goldsmiths. Lead times typically run 4 to 8 weeks. Free shipping Australia-wide once dispatched, with Lucano's lifetime craftsmanship warranty.
Are lab grown diamonds as good as natural diamonds?
What does F VS mean in your diamond grading?
Where is Lucano jewellery made and how are your diamonds sourced?
What's the difference between 9ct, 18ct, and platinum settings?
How long does a Lucano hand-made piece take?
Shipping
- Free standard shipping Australia-wide on orders over $100 — every Lucano piece qualifies.
- Express shipping $15 AUD. International flat rate $50 USD.
- Delivery 2–7 business days within Australia, 1–3 by express, 3–10 internationally, once dispatched.
- Every parcel is fully tracked and insured to the full value of your order. A signature is required on delivery.
- Australian prices include GST. International customs duties and import taxes are payable by you and set by your local authority.
Returns
- Because each piece is handcrafted to order for one person, we don't accept returns or refunds for change of mind.
- Faulty or damaged pieces are always put right. Contact us with your order number and photos and we'll arrange a repair, replacement or refund.
- Changed your mind before dispatch? Email hello@lucano.com.au — if your piece hasn't entered production we'll do our best to cancel or amend.
- Every Lucano ring carries a lifetime craftsmanship warranty.
Full shipping policy and returns policy.