4 Carat Lab-Grown Diamond Rings, grown in light.
Four carats that read from across a room. Each four carat diamond ring here holds a 4-carat lab-grown center set firmly in the head, and its price already includes the stone. The product page lets you choose the shape, the metal and your size. A plain solitaire band, pavé shoulders or a concealed halo complete the look.
$2,417 $4,834
$2,577 $5,154
$2,577 $5,154
$2,847 $5,694
$2,847 $5,694
$2,847 $5,694
$2,847 $5,694
$2,847 $5,694
$2,847 $5,694
$2,417 $4,834
$2,417 $4,834
$2,417 $4,834
Showing 1–14 of 96
Proportion on the finger
A round 4-carat center is about 10 mm across, wide enough to cover much of a slender finger. Oval, pear and marquise spread the weight lengthwise and flatter long hands, while cushion and radiant keep a squarer footprint. Round, oval, cushion, radiant and heart are offered throughout; most designs also carry emerald, princess, pear and marquise.
Holding a heavier stone
- Solitaire: prongs grip the center on a plain band, the most minimal frame.
- Pavé shoulders: lab-grown diamond accents line the band and balance the center's scale.
- Hidden halo: a concealed row of stones adds fire beneath the center.
White metals or warm gold
Platinum, the densest metal offered, keeps prongs firm under a heavy center. White gold gives a similar color at a lower price; yellow and rose gold add warmth and contrast against the stone. Bands stay between about 1.8 and 2.5 mm, which keeps the ring light even with a larger center.
Everyday sense with four carats
A raised center this size is the first thing to hit a car door or a kitchen counter. Wear it for the day, set it aside for sport and heavy housework, and store it in its own lined compartment. A jeweler should tighten and inspect the prongs at least annually.
4 Carat Lab-Grown Diamond Rings: Common Questions
How much does a 4 carat lab-grown diamond ring cost?
Here, from about $2,400, with the 4-carat lab-grown center already counted. Most designs land between about $2,550 and $2,900 in the lowest-priced metal; platinum and pavé add to that. An IGI or GIA report accompanies every center.
Is 4 carats a big ring?
Yes. A round 4-carat lab-grown diamond measures roughly 10 mm across, well above the most common engagement sizes, and it reads clearly at a distance. On the slim bands in this collection, the center becomes the whole look of the ring.
What does a 4 carat diamond look like?
Face-up, a round 4-carat lab-grown diamond is about the width of a pea, around 10 mm, and an oval runs near 14 by 10 mm. Set high on a narrow band, as in these rings, it reaches nearly edge to edge across the finger and throws strong flashes of light.
