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- Regular price
- $2,500.00
Greca Square Cluster Studs
- Regular price
- $2,500.00
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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Greca Square Cluster Studs
- Regular price
- $2,500.00
Diamond stud earrings with a square cluster of 14 brilliants for everyday sparkle.
The Greca Square Cluster Studs gather 12 round brilliant 1.50mm diamonds and 2 round brilliant 1.70mm diamonds, 0.31ct in total, into a geometrically balanced square. Hand-made one pair at a time in solid recycled gold, they bring a quiet Roman-inspired sophistication to daily wear.
Why the Greca Square Cluster Studs
- 14-diamond cluster: 12 x 1.50mm plus 2 x 1.70mm round brilliants, 0.31ct total, in solid gold.
- Geometric square form: a balanced cluster that reads as elegant rather than bold.
- Secure everyday fit: a post and butterfly closure that holds each stud comfortably in place.
- Ethical materials: set with your choice of lab-grown or natural F VS diamonds, in ethical solid gold.
- Made to order in Australia: hand-made in our Byron Bay Hinterland atelier by Australian goldsmiths, in 4 to 8 weeks.
- Backed for life: every Lucano piece carries a lifetime craftsmanship warranty, with free shipping Australia-wide.
Specs and details
- Stone configuration: 12 x round brilliant 1.50mm; 2 x round brilliant 1.70mm
- Approximate total diamond weight: 0.31ct
- Diamonds: F VS, lab-grown or natural
- Closure: post and butterfly
- Metal: 9ct or 18ct yellow, white or rose gold
- Made to order in Byron Bay Hinterland, Australia, in 4 to 8 weeks
Frequently asked questions
What size diamond stud is good for everyday wear?
A subtle cluster reads as elegant for daily wear without being bold. The Greca Square Cluster Studs gather 14 round brilliant diamonds, 0.31ct in total, in a geometric square so each stud catches light while staying comfortable from day to night.
How many diamonds are in the Greca studs?
Each pair sets 12 round brilliant 1.50mm diamonds plus 2 round brilliant 1.70mm diamonds, 0.31ct in total, in a geometrically balanced square cluster. They fasten with a secure post and butterfly closure.
Can I choose lab-grown or natural diamonds?
Yes. The studs are set with your choice of lab-grown or natural F VS diamonds, in 9ct or 18ct yellow, white or rose gold. Made to order in Byron Bay Hinterland, Australia, in 4 to 8 weeks.
How long do they take to make?
Each pair is hand-made to order, one pair at a time, in our Byron Bay Hinterland atelier by Australian goldsmiths, in 4 to 8 weeks, with free shipping Australia-wide and a lifetime craftsmanship warranty.