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- Regular price
- $2,600.00
Vesper Radiant Hidden Halo Ring
- Regular price
- $2,600.00
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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Vesper Radiant Hidden Halo Ring
- Regular price
- $2,600.00
The Vesper Radiant Hidden Halo Ring is a radiant-cut hidden halo engagement ring handcrafted in our Byron Bay Hinterland atelier. A radiant-cut centre stone, set above a hidden halo of 16 round brilliant pavé diamonds, in your choice of IGI-certified lab grown or GIA-certified natural diamonds.
Made to order by Australian goldsmiths in 9ct or 18ct yellow, white, or rose gold, as well as platinum. Choose your centre carat (0.50, 1.00, or 1.50ct), diamond origin, and ring size (5-10) to begin your bespoke piece. Prefer the radiant in a plain solitaire? See the Imperia Radiant Solitaire. For the emerald-cut version of this hidden halo, see the Vesper Emerald Hidden Halo Ring.
Why the Vesper Radiant Hidden Halo Ring
- Radiant-cut centre, hidden halo: radiant-cut centre stone with 16 pavé diamonds tucked beneath, visible only from the side. Total diamond weight 0.60ct, 1.10ct, or 1.60ct depending on centre carat.
- Natural diamonds: F VS1 or E VS2, GIA-certified from 0.30ct centre.
- Lab grown diamonds: E VVS1, IGI-certified.
- 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: radiant-cut
- Hidden halo: 16 round brilliant pavé diamonds
- Natural diamond clarity: F VS1 or E VS2
- Lab grown diamond clarity: E VVS1
- Total diamond weight: 0.60ct, 1.10ct, or 1.60ct (depending on centre carat)
- Centre carat options: 0.50, 1.00, or 1.50ct
- 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 hidden halo engagement ring?
A hidden halo features a ring of small pavé diamonds set beneath the centre stone, only visible from the side. It adds brilliance and apparent size without competing with the centre from above.
What is the difference between radiant-cut and emerald-cut?
Both are rectangular-leaning, but radiant-cut has brilliant-cut faceting for sparkle, while emerald-cut has step-cut facets for clarity. Radiant-cut produces more fire and sparkle. See the Vesper Emerald Hidden Halo Ring for the emerald-cut version.
Are the diamonds certified?
Yes. Lab grown diamonds are IGI-certified at E VVS1. Natural diamonds of 0.30ct or above are GIA-certified at F VS1 or E VS2.
Can I choose between lab grown and natural diamonds?
Yes. The Vesper Radiant Hidden Halo is offered with either IGI-certified lab grown diamonds (E VVS1) or GIA-certified natural diamonds (F VS1 or E VS2), at 0.50, 1.00, or 1.50ct centre weights.
How long does it take to make?
Each Vesper Radiant Hidden Halo 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 (available options):
- 0.60 ct
- 1.10 ct
- 1.60 ct