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Lab-grown diamonds are now the first choice for American couples in 2026. In fact, more than 61% of all engagement rings sold in the US now feature a lab-grown diamond at the center. And it makes complete sense: same brilliance, same hardness, same sparkle as a mined diamond, but at 70–80% lower cost.
If you are shopping for a lab-grown diamond engagement ring in the USA, this guide covers everything: the best styles, the most popular shapes, what certification to look for, and how to get the best value for your budget.
The shift toward lab-grown diamonds in the US has been dramatic. Here is why more buyers are making the switch:
The classic choice. A single certified lab-grown diamond on a clean band is timeless, elegant, and always in style. Perfect for buyers who want the diamond to speak for itself. Our solitaire rings start with IGI-certified center stones in round, oval, and pear shapes.
Shop Solitaire Lab Diamond Rings →
One of the fastest-growing styles in 2026. A ring of small diamonds sits just beneath the center stone, creating extra sparkle that is subtle from above but stunning from the side. US buyers love this style because it looks like a simple solitaire at first glance but catches the light beautifully.
A center lab-grown diamond surrounded by a circle of smaller diamonds. This style makes the center stone look larger, a popular choice for buyers who want maximum visual impact within their budget.
A center diamond flanked by two side stones, representing the past, present, and future. Three-stone rings are trending strongly in 2026, especially with mixed shapes, for example, a round center with pear side stones.
Small diamonds are set closely along the band, creating a continuous sparkle effect. Pave rings pair beautifully with any center stone shape and are especially popular with oval and round lab-grown diamonds.
The shape of your center stone is one of the most personal choices you will make. Here are the most popular shapes among US couples right now:
Explore All Diamond Shapes at Merito Diamond →
Every lab-grown diamond at Merito Diamond comes with a certificate from one of the world’s top grading labs:
All three certifications are trusted and legitimate. At Merito Diamond, we recommend IGI-certified stones for the clearest side-by-side comparisons when shopping.
Budget (USD) | What You Can Get | Recommended Style |
Under $1,000 | 1 carat IGI certified lab diamond, G-H color, VS2 | Solitaire or Simple Halo |
$1,000 – $2,000 | 1.5–2 carat IGI certified, F-G color, VS1-VS2 | Hidden Halo or Pave Solitaire |
$2,000 – $3,500 | 2–2.5 carat IGI certified, E-F color, VVS2 | Three Stone or Halo |
$3,500+ | 3+ carat IGI or GIA certified, D-E color, VVS1 | Custom Design or Statement Ring |
At Merito Diamond, every ring is crafted to order with your choice of certified center stone, metal, and setting. Whether you are looking for a classic round solitaire or a custom oval hidden halo, we make it exactly the way you envision it.