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Eternity Rings for Women
70 pieces
“Choose lab-grown if you want the look. Choose natural if the piece is meant to be passed down to someone you love.” Trax, at the jewelry store on 47th Street
68 eternity rings for her, most in one size only, so settle her ring size before the stones.
The marquise and round lab-grown band sold most, 24 in the year. Over nine in ten rings sold were 14K gold.
30 Pointer Emerald Lab-Grown Diamond Eternity Ring 68016
Platinum · 6.1 g
18K Gold Infinity Eternity Lab-Grown Diamond Wedding Band 69414
18K · 4.6 g
14K Gold Heart Eternity Lab-Grown Diamond Ring 71224
14K
Buyer's guide
How to choose a women's eternity ring
68 eternity rings for her, most in one size only, so settle her ring size before the stones.
The marquise and round lab-grown band sold most, 24 in the year. Over nine in ten rings sold were 14K gold.
Find your ring size in a minute
Your screen becomes the sizer. Set it with a bank card, 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. Set the screen with a card
Lay any bank, debit or ID card flat on the screen, standing tall, so its short edge runs across the box, and move the slider until the box is exactly as wide as the card. No bank card? A driver's license, metro card, gift card or hotel key is the same size. Without any card 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 6, 16.5 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.
52 mm around is size 6
Size 6: 16.5 mm across, 51.9 mm around. 37 of the 68 rings here list size 6.
Between two sizes? Take the one that passes the knuckle and sits snug below it. A wide band, 8 mm and up, fits tighter, so go up a half size. Measure at the end of the day, at room temperature.
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 | 3 |
| 4.5 | 15.3 mm | 48.0 mm | 6 |
| 5 | 15.7 mm | 49.3 mm | 30 |
| 5.5 | 16.1 mm | 50.6 mm | 28 |
| 6 | 16.5 mm | 51.9 mm | 37 |
| 6.5 | 16.9 mm | 53.1 mm | 36 |
| 7 | 17.3 mm | 54.4 mm | 34 |
| 7.5 | 17.7 mm | 55.7 mm | 30 |
| 8 | 18.1 mm | 57.0 mm | 21 |
| 8.5 | 18.5 mm | 58.2 mm | 14 |
| 9 | 18.9 mm | 59.5 mm | 14 |
| 9.5 | 19.4 mm | 60.8 mm | 4 |
| 10 | 19.8 mm | 62.1 mm | 4 |
| 10.5 | 20.2 mm | 63.3 mm | 3 |
| 11 | 20.6 mm | 64.6 mm | 2 |
| 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 set with a card 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.
Questions we get in the store
Can an eternity band be resized?
Usually not by much: stones the whole way around leave little plain gold to cut, so order the size she wears now. A half or three-quarter band keeps gold at the back and sizes more easily. Ask the desk first; a resized band is final sale.
What is the difference between a full and a half eternity ring?
A full eternity ring has stones the whole way around, while a half, or semi-eternity, ring sets them across the top only. The half leaves plain gold under the finger, so it sits flatter beside other rings.
What does 10 pointer mean on an eternity ring?
It means each diamond weighs ten points, a tenth of a carat. A carat has 100 points, so the number names one stone, never the total. Our 10 pointer ring comes to about two carats around the band.
More questions we get
Lab-grown or natural diamonds for an eternity ring?
Lab-grown suits most buyers. About seven in ten rings sold here were grown, and a grown stone is real diamond on the usual grading scale. Choose natural if the stones must be mined; each diamond listing names which.
Which metal is best for an eternity ring worn every day?
14K gold is best for every day, because it is harder than 18K and holds a full circle of prongs tight. More than nine in ten rings bought here were 14K. Platinum stays white without plating and is the heavier metal on the hand.
How do I wear an eternity ring with an engagement ring?
Worn as her wedding band, it goes on first, closest to the palm, under the engagement ring. Given later for an anniversary, it goes above both or on her right hand. Three rings here are engagement rings with stones all around the band.
Are there sapphire or colored eternity rings here?
Yes, six of them. Five are sapphire bands in blue, pink, red and rainbow shades, and another alternates green emeralds with opals. Most come in a run of sizes, and our women's gemstone rings carry the same set.
Can I return an eternity ring?
Yes, inside fourteen days of delivery, if never worn or altered. Ask on the live chat, or call or text 212-872-9692 from 10 AM ET, for our insured label; the refund holds back its cost and five percent for restocking. Resized or made-to-size rings are final.
