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Which size?
Find your ring size in a minute
Your screen becomes the sizer. On most phones it is already true size, and a quarter lets you check. Then measure the finger you will wear the ring on, with a ring that already fits that finger or with a strip of paper.
1. Check the screen with a quarter
Lay a quarter flat on the screen, over the coin, and move the slider until the coin on the screen is exactly the size of yours. No quarter? Then the circle and the ruler are not to scale: measure your paper strip with a real ruler and set that number in millimeters on the strip slider, then send it to the desk.
2. Measure
Take a ring that fits the same finger of the same hand the new ring will live on; every finger is its own size. Set it on the screen over the circle and move the slider until the circle just fills the inside of the ring.
Size 7, 17.3 mm inside
Wrap a strip of paper snug around the base of the finger, where the ring sits, and mark where it meets. If your knuckle is bigger, wrap it there too and take a size between the two, nearer the knuckle. Lay the strip along the ruler's right edge from the 0. Move the slider until the gold line sits on your mark.
54.5 mm around is size 7
Size 7: 17.3 mm across, 54.4 mm around. It is the most bought size here: 19 percent of the women's rings sold here in the past year with a size recorded. 458 of the 561 rings here list size 7.
The women's ring size chart, 4 to 16
| US size | Inside diameter | Around the finger | Rings here listing it |
|---|---|---|---|
| 4 | 14.9 mm | 46.8 mm | 162 |
| 4.5 | 15.3 mm | 48.0 mm | 185 |
| 5 | 15.7 mm | 49.3 mm | 422 |
| 5.5 | 16.1 mm | 50.6 mm | 417 |
| 6 | 16.5 mm | 51.9 mm | 462 |
| 6.5 | 16.9 mm | 53.1 mm | 456 |
| 7 | 17.3 mm | 54.4 mm | 458 |
| 7.5 | 17.7 mm | 55.7 mm | 424 |
| 8 | 18.1 mm | 57.0 mm | 417 |
| 8.5 | 18.5 mm | 58.2 mm | 295 |
| 9 | 18.9 mm | 59.5 mm | 277 |
| 9.5 | 19.4 mm | 60.8 mm | 86 |
| 10 | 19.8 mm | 62.1 mm | 83 |
| 10.5 | 20.2 mm | 63.3 mm | 33 |
| 11 | 20.6 mm | 64.6 mm | 31 |
| 11.5 | 21.0 mm | 65.9 mm | 21 |
| 12 | 21.4 mm | 67.2 mm | 19 |
| 12.5 | 21.8 mm | 68.5 mm | 6 |
| 13 | 22.2 mm | 69.7 mm | 5 |
| 13.5 | 22.6 mm | 71.0 mm | 2 |
| 14 | 23.0 mm | 72.3 mm | 1 |
| 14.5 | 23.4 mm | 73.6 mm | 0 |
| 15 | 23.8 mm | 74.8 mm | 0 |
| 15.5 | 24.2 mm | 76.1 mm | 0 |
| 16 | 24.6 mm | 77.4 mm | 0 |
A screen measurement checked with a quarter is a guide, good to about a half size; the desk sizes you right the first time. "Rings here listing it" counts the live listings on October 2, 2026; the sales lines are women's rings sold here in the year to September 26, 2026, with a size recorded.
Description
The Prong Diamond Platinum is an engagement ring that lets the diamonds do the work. Set in platinum — the most durable and prestigious metal in fine jewelry — each natural diamond sits in individual prong settings that expose maximum surface area to light, producing intense, unfiltered brilliance from every angle. Platinum's cool, white tone enhances the sparkle of every stone and won't fade or need replating over decades of daily wear. For buyers searching for a platinum prong set diamond engagement ring that prioritizes brilliance and longevity over everything else — this is it.
Whether it's an engagement ring or a piece of Custom Jewelry you're looking for, we've got it all here at TraxNYC.
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