A Promise, Perfected

4 Carat Halo Rings

This 4 carat lab-grown diamond ring with halo comes with its center already set and priced in, in your choice of round, oval, cushion, princess, emerald, radiant, Asscher, pear, marquise or heart shape. A halo of small lab-grown diamonds, vintage filigree and a three-row pave band surround it. Choose platinum or 10K, 14K or 18K white, yellow or rose gold.

1Choose a setting
Choose a Setting
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2Select a diamond
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3Complete the ring
Complete the Ring
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40 rings
40 rings
Conflict-Free
Ethically sourced diamonds
Lifetime Warranty
Free cleaning & resizing
Free Shipping
30-day returns
IGI / GIA Certified
Independently graded

Buying guide

Choosing the center shape

Round is the brightest shape and the most classic. Oval, pear and marquise are longer, so a 4 carat center looks larger on the finger and makes the hand look slimmer. Cushion has rounded corners and broad flashes of light; princess and radiant are square or rectangular with lively sparkle. Emerald and Asscher are step cuts with a calm, mirror-like look. Heart is the most romantic and reads best at a larger size like 4 carats.

A vintage halo with three rows of pave

The halo of small lab-grown diamonds follows the center's outline and adds a bright frame around it. Filigree, the fine openwork in the metal, gives this 4 carat halo engagement ring its vintage character. Three rows of pave lab-grown diamonds run along the band, which comes in widths of 2 mm or 2.2 mm. These accents come in addition to the 4 carat center stone.

Metal and price

Platinum is naturally white, dense and hard-wearing, and it costs more than gold. Gold comes in 10K, 14K or 18K white, yellow or rose gold. Prices start from about $4,400 in the lowest-priced metal, with the 4 carat lab-grown diamond center included.

Made to order

Each ring 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.

4 Carat Halo Rings FAQs

How much do 4 carat halo rings cost?

Rings on this page start from about $4,400 in the lowest-priced metal, and that includes the 4 carat lab-grown diamond center already set. Platinum and 18K gold cost more than 10K or 14K gold, so the metal you choose sets the final price. Lab-grown diamonds cost far less than natural diamonds of the same size.