Few gemstones can compete with the beauty of a quality opal.
Known as Australia's national gemstone and the birthstone of October, every opal is both iconic and unique; no two stones are alike.
Established in 1985, Fremantle Opals is an owner-operated business specialising in hand-crafted opal jewellery and fine unset opals, sourced directly from the mines. Just a short stroll from the Fremantle train station, our store is home to an exclusive range of designs, settings and stones, including a selection of rare black opals.
Opals are as diverse as the people who wear them. For the perfect gift or a lasting souvenir from down under, choose a one-of-a-kind piece from Fremantle Opals.
Come and visit Fremantle Opals at Shop 15, 27-35 William Street. Fremantle (see 'contact us' page). We trade 7 days per week, 9am-5pm Monday to Saturday, and 11am-5pm on Sunday.
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read more...| Inside Circumference | Inside Diameter | Sizes | |||
|---|---|---|---|---|---|
| (in) | (mm) | (in) | (mm) | USA & Canada | UK, Eire, AU |
| 1.94 | 49.3 | 0.618 | 15.7 | 5 | J 1/2 |
| 1.97 | 50 | 0.626 | 15.9 | 5 1/4 | K |
| 1.99 | 50.6 | 0.634 | 16.1 | 5 1/2 | K 1/2 |
| 2.02 | 51.2 | 0.642 | 16.31 | 5 3/4 | L |
| 2.04 | 51.9 | 0.65 | 16.51 | 6 | L 1/2 |
| 2.07 | 52.5 | 0.658 | 16.71 | 6 1/4 | M |
| 2.09 | 53.1 | 0.666 | 16.92 | 6 1/2 | M 1/2 |
| 2.12 | 53.8 | 0.674 | 17.12 | 6 3/4 | N |
| 2.14 | 54.4 | 0.682 | 17.32 | 7 | N 1/2 |
| 2.17 | 55.1 | 0.69 | 17.53 | 7 1/4 | O |
| 2.19 | 55.7 | 0.698 | 17.73 | 7 1/2 | O 1/2 |
| 2.22 | 56.3 | 0.706 | 17.93 | 7 3/4 | P |
| 2.24 | 57 | 0.714 | 18.14 | 8 | P 1/2 |
| 2.27 | 57.6 | 0.722 | 18.34 | 8 1/4 | Q |
| 2.29 | 58.3 | 0.73 | 18.54 | 8 1/2 | Q 1/2 |
| 2.32 | 58.9 | 0.738 | 18.75 | 8 3/4 | R |
| 2.34 | 59.5 | 0.746 | 18.95 | 9 | R 1/2 |
| 2.37 | 60.2 | 0.754 | 19.15 | 9 1/4 | S |
| 2.39 | 60.8 | 0.762 | 19.35 | 9 1/2 | S 1/2 |
| 2.42 | 61.4 | 0.77 | 19.56 | 9 3/4 | T |
| 2.44 | 62.1 | 0.778 | 19.76 | 10 | T 1/2 |
| 2.47 | 62.7 | 0.786 | 19.96 | 10 1/4 | U |
| 2.49 | 63.4 | 0.794 | 20.17 | 10 1/2 | U 1/2 |
| 2.52 | 64 | 0.802 | 20.37 | 10 3/4 | V |
| 2.54 | 64.6 | 0.81 | 20.57 | 11 | V 1/2 |
| 2.57 | 65.3 | 0.818 | 20.78 | 11 1/4 | W |
| 2.59 | 65.9 | 0.826 | 20.98 | 11 1/2 | W 1/2 |
| 2.62 | 66.6 | 0.834 | 21.18 | 11 3/4 | X |
| 2.65 | 67.2 | 0.842 | 21.39 | 12 | X 1/2 |
| 2.67 | 67.8 | 0.85 | 21.59 | 12 1/4 | Y |
| 2.7 | 68.5 | 0.858 | 21.79 | 12 1/2 | Z |
| 2.72 | 69.1 | 0.866 | 22 | 12 3/4 | Z 1/2 |
| 2.75 | 69.7 | 0.874 | 22.2 | 13 | |
| 2.77 | 70.4 | 0.882 | 22.4 | 13 1/4 | Z1 |
| 2.8 | 71 | 0.89 | 22.61 | 13 1/2 | |
| 2.82 | 71.7 | 0.898 | 22.81 | 13 3/4 | Z2 |
| 2.85 | 72.3 | 0.906 | 23.01 | 14 | Z3 |
| 2.87 | 72.9 | 0.914 | 23.22 | 14 1/4 | |
| 2.9 | 73.6 | 0.922 | 23.42 | 14 1/2 | Z4 |
| 2.92 | 74.2 | 0.93 | 23.62 | 14 3/4 | |
| 2.95 | 74.8 | 0.938 | 23.83 | 15 | |