








Alectrona – Australian Opalised Shell Ring
Discover the extraordinary beauty of Australia's natural gemstones with Alectrona, a distinctive Australian opal ring featuring a captivating 1.53ct solid opalised shell opal.
Formed through nature's remarkable process of opalisation, this freeform gemstone displays a mesmerising play of blue, green and orange, with shifting flashes of colour that make every angle uniquely beautiful. Its organic shape and vibrant character celebrate the individuality of natural Australian opal.
Set in a sculptural 14kt yellow gold design, the flowing curves of the ring complement the opal's natural form, creating a harmonious balance between precious metal and gemstone.
Elegant yet unconventional, Alectrona is a striking statement ring for those who appreciate rare natural treasures and jewellery with a story. A distinctive piece to be worn, admired and treasured for years to come.
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ENQUIRY
Interested in this design, or want to make it your own? Send us your details below and our team will reply within 24 business hours.
If you’re choosing a diamond, our gemmologist selects each stone individually to suit your brief, so you receive the best stone available at the time of your order. We choose ethically sourced, certified stones that meet our standards for colour, clarity and cut. Tell us your preferred carat size and budget, and we’ll guide you from there.
Not sure of your ring size? Don’t worry. Rings can be resized, and resizing is complimentary.
Bespoke pieces are made specially for you, so they can’t be exchanged or returned.
SELECT YOUR SIZE
Ring Size Guide
Every piece at The Paddington Jeweller is handmade to order, so please take care when choosing your size. We generally carry size N in most of our rings. Resizing is complimentary with every ring purchase, so you can adjust the fit if you need to.
If you need help with sizing, give us a call and we’ll be happy to help, or visit our Paddington, Sydney studio and we’ll size you in person.
| NMJ SIZE (AUS/UK) | Internal Diameter / Circumference (MM) | USA SIZE |
|---|---|---|
| D | 13.1 / 41.1 | - |
| D 1/2 | 13.3 / 41.7 | 2 |
| E | 13.5 / 42.4 | - |
| E 1/2 | 13.7 / 43.0 | 2.5 |
| F | 13.9 / 43.6 | |
| F 1/2 | 14.1 / 44.2 | 3 |
| G | 14.3 / 44.9 | - |
| G 1/2 | 14.5 / 45.5 | 3 1/2 |
| H | 14.7 / 46.1 | - |
| H 1/2 | 14.9 / 46.8 | 4 |
| I | 15.1 / 47.4 | - |
| I 1/2 | 15.3 / 48.0 | 4 1/2 |
| J | 15.5 / 48.6 | |
| J 1/2 | 15.7 / 49.3 | 5 |
| K | 15.9 / 49.9 | |
| K 1/2 | 16.1 / 50.5 | 5 1/2 |
| L | 16.3 / 51.2 | |
| L 1/2 | 16.5 / 51.8 | 6 |
| M | 16.7 / 52.4 | |
| M 1/2 | 16.9 / 53.0 | 6 1/2 |
| N | 17.1 / 53.7 | |
| N 1/2 | 17.3 / 54.3 | 7 |
| O | 17.5 / 54.9 | |
| O 1/2 | 17.7 / 55.6 | 7 1/2 |
| P | 17.9 / 56.2 | |
| P 1/2 | 18.1 / 56.8 | 8 |
| Q | 18.3 / 57.4 | |
| Q 1/2 | 18.5 / 58.1 | 8 1/2 |
| R | 18.8 / 59.0 | |
| R 1/2 | 19.0 / 59.6 | 9 |
| S | 19.2 / 60.3 | |
| S 1/2 | 19.4 / 60.9 | 9 1/2 |
| T | 19.6 / 61.5 | |
| T 1/2 | 19.8 / 62.2 | 10 |
| U | 20.0 / 62.8 | |
| U 1/2 | 20.2 / 63.4 | 10 1/2 |
| V | 20.4 / 64.0 | |
| V 1/2 | 20.6 / 64.7 | 11 |








