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Ring Size Guide
Ring Size Guide
Instructions
1. Select a ring that fits the finger you wish to measure.
2. Using a ruler, measure the internal diameter of the ring in mm. Ensure your measurement starts at the 0mm mark for accuracy.

Use the size chart to determine your ring size.
Inside Diameter | Sizes | ||
---|---|---|---|
mm | Inches | Australia & UK | US & Canada |
14.36 | 0.565 | G | 3 3/8 |
14.45 | 0.569 | G 1/4 | 3 1/2 |
14.56 | 0.573 | G 1/2 | 3 5/8 |
14.65 | 0.577 | H | 3 3/4 |
14.86 | 0.585 | H 1/2 | 4 |
15.04 | 0.592 | I | 4 1/4 |
15.27 | 0.601 | I 1/2 | 4 1/2 |
15.40 | 0.606 | J | 4 5/8 |
15.53 | 0.611 | J 1/4 | 4 3/4 |
15.70 | 0.618 | J 1/2 | 5 |
15.80 | 0.622 | K | 5 1/8 |
15.90 | 0.626 | K 1/4 | 5 1/4 |
16.00 | 0.630 | K 1/2 | 5 3/8 |
16.10 | 0.634 | L | 5 1/2 |
16.30 | 0.642 | L 1/4 | 5 3/4 |
16.41 | 0.646 | L 1/2 | 5 7/8 |
16.51 | 0.650 | M | 6 |
16.71 | 0.658 | M 1/2 | 6 1/4 |
16.92 | 0.666 | N | 6 1/2 |
17.13 | 0.674 | N 1/2 | 6 3/4 |
17.35 | 0.683 | O | 7 |
17.45 | 0.687 | O 1/2 | 7 1/4 |
17.75 | 0.699 | P | 7 1/2 |
17.97 | 0.707 | P 1/2 | 7 3/4 |
18.19 | 0.716 | Q | 8 |
18.35 | 0.722 | Q 1/2 | 8 1/4 |
18.53 | 0.729 | Q 3/4 | 8 1/2 |
18.61 | 0.733 | R | 8 5/8 |
18.69 | 0.736 | R 1/4 | 8 3/4 |
18.80 | 0.740 | R 1/2 | 8 7/8 |
18.89 | 0.748 | R 3/4 | 9 |
19.10 | 0.752 | S | 9 1/8 |
19.22 | 0.757 | S 1/4 | 9 1/4 |
19.31 | 0.760 | S 1/2 | 9 3/8 |
19.41 | 0.764 | S 3/4 | 9 1/2 |
19.51 | 0.768 | T | 9 5/8 |
19.62 | 0.772 | T 1/4 | 9 3/4 |
19.84 | 0.781 | T 1/2 | 10 |
20.02 | 0.788 | U | 10 1/4 |
20.20 | 0.797 | U 1/2 | 10 1/2 |
20.32 | 0.800 | V | 10 5/8 |
20.44 | 0.805 | V 1/4 | 10 3/4 |
20.68 | 0.814 | V 1/2 | 11 |
20.76 | 0.817 | W | 11 1/8 |
20.85 | 0.821 | W 1/4 | 11 1/4 |
20.94 | 0.824 | W 1/2 | 11 3/8 |
21.08 | 0.830 | W 3/4 | 11 1/2 |
21.18 | 0.834 | X | 11 5/8 |
21.24 | 0.836 | X 1/4 | 11 3/4 |
21.30 | 0.839 | X 1/2 | 11 7/8 |
21.49 | 0.846 | Y | 12 |
21.69 | 0.854 | Y 1/2 | 12 1/4 |
21.89 | 0.862 | Z | 12 1/2 |
22.10 | 0.870 | Z +1/2 | 12 3/4 |
22.33 | 0.879 | Z+1 | 13 |
22.60 | 0.890 | Z+1.5 | 13.5 |
- Description
- Specifications
- Manufacture
The Petite Rectangular Signet Ring is destined to be a timeless addition to your jewellery collection. A refined, minimalist style featuring a polished round top, it’s the perfect canvas for your desired engraving.
Create a cherished keepsake through our bespoke engraving options—whether it’s a handwritten message, a child’s drawing, or initials in your choice of font.
Celebrate your individuality with our exclusive zodiac illustrations, intricately designed with delicate floral details, or personalise it further with a diamond or birthstone for a truly unique touch.
Available in solid 9ct yellow or white gold, or sterling silver. Create a piece that’s as meaningful as the moments it represents.
Solid 9ct yellow or white gold or sterling silver.
Approx. 7mm circular top.
Approx. 3mm band at base.
Impressions Collection pieces are made to order, with an average manufacturing time of 21 business days.

Lifetime warranty for all pieces manufactured by Class A
Free express shipping on orders over $150
Petite Round Signet Ring
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