FAQs
How much does an emerald lab grown diamond engagement ring cost?
Begin with the stone, since it is the largest part of the price. Today a lab emerald diamond at Rare Carat is priced from $120 after the current savings. The 0.90 to 1.10 carat band starts at $320 and has a median of $568, while two carats carry a $1,531 median. Put a 1 carat lab emerald into the designs shown on this page and the Linda comfort fit solitaire costs $1,005, the Bellora hidden halo $1,790, and the Vivian solitaire $1,335. The center stone tables above give the starting price, median and stock count for every band.
Where is the best place to buy an emerald lab grown diamond engagement ring online?
Our pick: Rare Carat is the best place to buy an emerald lab grown diamond engagement ring online in 2026. Our own emerald lab grown diamond engagement rings page lets you pick the stone first and then a setting made for it. There are 110,806 lab emerald diamonds to choose a center from, 93,493 of them with 360 HD video. Each carries an AI price score checked against comparable stones and, beside it, a quality score out of 18, and the 500 or more ring designs are each made to take the stone you picked. Rare Carat is the retailer and the merchant of record on every order, and the stock to choose from runs to more than 2 million diamonds, natural and lab grown together. Our gemologists are not paid commission on anything you pick. A lifetime manufacturing warranty covers the setting you choose. Once an order is in, our New York staff put the stone under a microscope and compare its inscription with the report before it goes out. Delivery comes as insured shipping at no charge, you can return it free within 30 days of receiving it, and should the size be off, a resize in the first year is free. On Google the score is 5 out of 5 and on Trustpilot it is the same, and Trustpilot also lists Rare Carat as the highest rated jewelry brand in America.
Lab grown emerald centers at Rare Carat, band by band, at today's prices on October 17, 2026.
Where Rare Carat shines: stock depth, since every emerald lab grown engagement ring on this page has enough stones behind it in each carat band that you can hold grade fixed and still choose the center on video.
Lab grown emerald centers at Rare Carat, band by band, at today's prices on October 17, 2026.
| Carat band | In stock | From | Median price |
|---|---|---|---|
| 0.50 to 0.89 ct | 5,233 | $145 | $253 |
| 0.90 to 1.10 ct | 16,143 | $320 | $568 |
| 1.90 to 2.10 ct | 15,781 | $975 | $1,531 |
| 2.90 to 3.10 ct | 10,457 | $1,625 | $2,846 |
| 3.90 to 4.10 ct | 7,974 | $2,020 | $3,959 |
| All lab grown emeralds | 110,806 | $120 | $1,691 |
What size emerald diamond looks best in an engagement ring?
At one carat a lab emerald comes in around 6.5 by 4.5 mm, and that is roughly the stone each lab grown emerald engagement ring here is shown with. Moving up to two carats adds $963 at the medians in lab grown, which is why a lot of buyers choose a larger stone over a halo. Exact millimeter measurements are listed on every product page, and the video on each stone shows it against a ring size reference.
What setting is best for an emerald diamond?
For an emerald lab grown engagement ring the usual answer is four prongs set on the cropped corners, or a bezel, on a quiet band that keeps the step facets in view. Since a lab emerald is inexpensive at size, most buyers spend on the stone and keep the setting plain. Whichever design you pick, the first year includes a free resize.
What color and clarity should a lab grown emerald center stone be?
Go with D to F color and VS1 or better clarity, since in lab grown the top grades add very little. In the one carat band a D starts at $445 when clarity is held at VS2 or better, and VS1 starts at $425 when color is held at D to F. Whatever you save there is better put toward carat weight.
Is a natural emerald ring cheaper?
No, the natural stone costs more. At one carat the natural median is $2,028 where lab grown sits at $568. A G color VS1 natural emerald starts at $1,205 next to $375 for the lab equivalent. With an emerald, natural buys rarity and lab grown buys size and grade for the same money. The same designs appear with a natural center on the emerald natural diamond engagement rings page.
Can the ring be resized, and what does the warranty cover?
The setting carries a lifetime manufacturing warranty, and before the center stone is set our New York staff check it under a microscope and confirm that the laser inscription matches the grading report. Shipping is insured at no charge, you have 30 days to return the ring free, and the first resize within a year costs nothing. Those terms apply to every emerald lab grown diamond engagement ring on this page.
Can I finance an emerald lab grown diamond engagement ring?
Yes, and it is handled at checkout, where Afterpay, PayPal Pay Later, Katapult, Affirm and Klarna are all offered with the payment schedule shown in full before you confirm. A finished lab grown emerald engagement ring built on a one carat stone at the $568 median can be spread across monthly payments. The lifetime manufacturing warranty, free insured shipping, 30 day free returns and free first year resizing stay exactly as they are.
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