14K Gold Willow Hidden Halo Lab-Grown Diamond Engagement Ring, 3.00 ct Cushion cut center
The store's own photos of item 71137. Tap a picture to zoom.
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: 21 percent of the engagement rings sold here in the past year with a size recorded. 159 of the 174 rings here list size 7.
The engagement ring size chart, 4 to 16
| US size | Inside diameter | Around the finger | Rings here listing it |
|---|---|---|---|
| 4 | 14.9 mm | 46.8 mm | 73 |
| 4.5 | 15.3 mm | 48.0 mm | 77 |
| 5 | 15.7 mm | 49.3 mm | 158 |
| 5.5 | 16.1 mm | 50.6 mm | 158 |
| 6 | 16.5 mm | 51.9 mm | 163 |
| 6.5 | 16.9 mm | 53.1 mm | 163 |
| 7 | 17.3 mm | 54.4 mm | 159 |
| 7.5 | 17.7 mm | 55.7 mm | 154 |
| 8 | 18.1 mm | 57.0 mm | 152 |
| 8.5 | 18.5 mm | 58.2 mm | 111 |
| 9 | 18.9 mm | 59.5 mm | 101 |
| 9.5 | 19.4 mm | 60.8 mm | 20 |
| 10 | 19.8 mm | 62.1 mm | 18 |
| 10.5 | 20.2 mm | 63.3 mm | 1 |
| 11 | 20.6 mm | 64.6 mm | 1 |
| 11.5 | 21.0 mm | 65.9 mm | 0 |
| 12 | 21.4 mm | 67.2 mm | 0 |
| 12.5 | 21.8 mm | 68.5 mm | 0 |
| 13 | 22.2 mm | 69.7 mm | 0 |
| 13.5 | 22.6 mm | 71.0 mm | 0 |
| 14 | 23.0 mm | 72.3 mm | 0 |
| 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 engagement rings sold here in the year to September 26, 2026, with a size recorded.
Description
The Willow keeps its halo out of sight. From above you see one 3.00 carat elongated cushion, lab-grown, F color and VS clarity, in 14K gold; from the side, a hidden halo, a ring of small diamonds set under the stone, comes into view.
The details. The center is a lab-grown elongated cushion of 3.00 carats. A cushion is a square or rectangle with rounded corners and softly curved sides; elongated means it is longer than it is wide, so it lies along the finger. F color is in the colorless range, with no tint to the eye, and VS clarity means very small inclusions that take magnification to find. The small diamonds are round and lab-grown, 0.15 carats in all. The band is 2.3 mm wide, and the ring weighs 4.00 grams in 14K gold.
Size and fit. Yellow, white or rose gold, in sizes 4 through 9 with half sizes. White gold keeps the ring white around an F stone; yellow and rose gold give it a warmer frame.
Care. Warm water, mild soap and a soft brush under the center and around the hidden halo, where lotion gathers out of sight; lab-grown and natural diamonds take the same care. Keep it away from chlorine and harsh cleaners, and store it apart from other jewelry so the diamonds cannot scratch it.
Buying it. Orders in the US ship with a TraxNYC appraisal that records the gram weight, the carat weight and the diamond grade. At checkout you can add a warranty plan that covers manufacturing defects for 30, 180 or 365 days. Every order ships tracked. To talk it over with a jeweler first, call 212-TRAXNYC (212-872-9692) during business hours.
The center diamond is IGI certified.
Made to order in your size. Please allow 2–3 weeks for production before your ring ships.
Add the wedding band
Pick a size above to add both
Buying from TraxNYC
Delivery & returns
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The center stone, life size
Drawn to scale with the quarter.
Hold a real quarter flat on your screen, over the coin. Tap Smaller or Bigger until the coin on the screen matches it.
- Carat
- Cut
- Length
- Width
Questions & answers
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Can I get it in another metal, with an engraving or another change?
What if the size is wrong? Can I return it?
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How fast does it ship, and can I return it?
Have another question? Ask in the chat on this page, or call or text 212-872-9692 (a person answers from 10 AM ET).











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