3 Carat Oval Lab-Grown Diamond Rings
Three carats, stretched along the finger. This 3 ct oval lab-grown diamond engagement ring collection pairs a 3-carat oval lab-grown center with slim, clean bands, and the center is set and included in the price. Choose the metal on the product page, then decide between a plain solitaire, pavé shoulders or a hidden halo.
$2,115 $4,230
$2,385 $4,770
$1,955 $3,910
$1,955 $3,910
$1,955 $3,910
$2,705 $5,410
$2,115 $4,230
$2,115 $4,230
$3,645 $7,290
$2,585 $5,170
More to discover
The look of a 3 carat oval
A 3-carat oval measures roughly 11.5 by 8 mm. Its length draws the eye up the hand, and its rounded ends soften the outline compared with a pear or marquise. A gentle bow tie across the middle is part of how ovals reflect light.
Band styles for a large oval
- Classic solitaire: every design centers on the oval alone.
- Pavé shoulders: most designs offer small stones along the upper band.
- Hidden halo: one design hides a circle of lab-grown diamonds under the oval for side sparkle.
White, yellow, rose or platinum
A big oval reflects its setting, so metal color matters more than with a small stone. White gold and platinum keep the center bright and cool. Yellow and rose gold add warmth around the edges. Most bands sit at about 2.2 mm, which keeps the focus on the oval.
Day-to-day with a 3 carat oval
A center this size sits proud of the band, so slip it off before tennis, kneading dough or lifting boxes. Clean it weekly with mild soap and warm water. Once a year, have a jeweler confirm the prongs guarding the oval's tips are tight.
3 Carat Oval Lab-Grown Diamond Rings: Common Questions
How much does a 3 carat oval diamond ring cost?
With a 3-carat oval lab-grown center set in it, a ring here starts at about $1,950; most fall between about $2,100 and $2,250 in the lowest-priced metal. Platinum and pavé raise the price. A mined 3-carat oval would sit in a far higher bracket.
Is a 3 carat oval too big?
It depends on taste more than the hand. At about 11.5 by 8 mm, a 3-carat oval is a clear statement stone, but its shape follows the finger, so it looks narrower than a round center carrying equal carats. Larger hands carry it easily.
What does a 3 carat oval diamond look like?
It looks long and bright, a smooth egg-shaped outline about 11.5 mm from tip to tip. Its brilliant facets scatter light much like a round lab-grown diamond, with a soft bow tie shadow that shifts as the hand moves. On a plain solitaire band it fills most of the space between the finger's sides.
