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- Regular price
- $3,350.00
Luce Solitaire Ring
- Regular price
- $3,350.00
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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Luce Solitaire Ring
- Regular price
- $3,350.00
The Luce Solitaire Ring is a classic solitaire engagement ring handcrafted in our Byron Bay Hinterland atelier. A single diamond centre stone set alone on a clean polished band, 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. Choose your centre carat, diamond origin, and ring size (5-10) to begin your bespoke piece. Looking at other solitaire engagement rings? See the Helios Round Solitaire, the Imperia Emerald Solitaire, or the Goccia Pear Solitaire.
Why the Luce Solitaire Ring
- Classic solitaire silhouette: a single diamond centre stone on a clean polished band. The most timeless engagement ring style, allowing the centre stone to be the sole focal point.
- Certified diamonds: IGI-certified lab-grown or GIA-certified natural F VS diamonds (GIA from 0.30ct centre).
- Six metal options: 9ct or 18ct yellow, white, or rose gold. Platinum 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: single diamond, F VS
- Setting: classic solitaire on polished band
- Certification: IGI (lab) or GIA (natural, 0.30ct+)
- Metal options: 9ct/18ct yellow, white, rose gold, or platinum
- Ring sizes: 5 to 10
- Lead time: hand-made to order, 4 to 6 weeks
- Origin: Byron Bay Hinterland, Australia
Frequently asked questions
What is a solitaire engagement ring?
A solitaire engagement ring features a single diamond as the centre stone, set alone on a clean band. It is the most classic and enduring engagement ring style, allowing the centre stone to be the sole focal point without surrounding diamonds.
Are the diamonds certified?
Yes. Lab-grown diamonds are IGI-certified. Natural diamonds of 0.30ct or above are GIA-certified. All diamonds are graded to F colour and VS clarity.
Can I choose between lab-grown and natural diamonds?
Yes. The Luce Solitaire is offered with either IGI-certified lab-grown or GIA-certified natural F VS diamonds.
How long does it take to make?
Each Luce Solitaire Ring is hand-made to order in our Byron Bay Hinterland atelier by Australian goldsmiths. Lead times typically run 4 to 6 weeks. Free shipping Australia-wide once dispatched, with Lucano's lifetime craftsmanship warranty.
Total Diamond Weight: 1.44 ct