Two Hearts, One Promise

Lab-Grown Diamond Curved Eternity Bands

A curved eternity band dips or arches in the center so it can sit flush against an engagement ring. Each band here is a curved half eternity ring, with lab-grown diamonds across the top and plain metal underneath. Choose white, yellow or rose gold, platinum, or Silvadium, a tarnish-resistant sterling silver, and pick the curve that matches your ring.

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9 bands
9 bands
Conflict-Free
Ethically sourced materials
Lifetime Warranty
Free cleaning & resizing
Free Shipping
30-day returns
Handcrafted to Order
Made in our atelier
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Finding Your Perfect Band

Profile & Width

From a slim 1.5mm to a bold 6mm — choose the proportion that suits your hand.

Comfort Fit

A gently rounded interior that slips on easily and wears beautifully all day.

Metal & Tone

Match or contrast your engagement ring in white, yellow, rose gold or platinum.

Matching Sets

Curved and contoured bands designed to sit flush against your ring.

Buying guide

Choosing the right curve

The curve is what matters most. A deep U shape wraps around a large center or a tall halo, while a shallow arch or a gentle contour suits a lower setting. A wide dip leaves more room for a bigger stone. Hold your engagement ring next to the band in photos, or measure how far the center sits above the finger, and choose the curve that closes the gap without leaving space between the two rings.

Pavé, milgrain and mixed shapes

Most of these bands are pavé set, with small round lab-grown diamonds held by tiny beads of metal so the top reads as one line of sparkle. A few add vintage details: a scalloped edge with milgrain, or a scroll gallery along the sides. For a more patterned look, there is also an alternating row of round and marquise lab-grown diamonds. A slim band keeps the focus on your engagement ring; a wider dip makes the pair look like a set.

Carat weight, metal and price

Many designs let you pick the total weight of the lab-grown diamonds, usually 0.25, 0.35 or 0.5 carat total weight, and some go to 0.75 carat. Most gold designs come in 10K, 14K or 18K gold. Platinum is the heaviest and keeps a white color; silver is the lightest on the budget. Prices start under $250, and most bands fall between about $550 and $750. A half eternity band can be resized, since the back of the band is plain metal.

Made to order

Each band is made for you in 10–15 days. Shipping is free on orders over $500, returns are accepted within 30 days, and one resize is free within 60 days of delivery.