2.5 Carat Round Lab-Grown Diamond Rings, grown in light.
A round brilliant with serious presence. Novara ships every 2.5 carat round lab-grown diamond ring with its round already mounted and paid for in the listed figure. Go with a 2.5 carat round solitaire on a plain shank, pavé shoulders, or a hidden halo, then white, yellow or rose gold, or platinum.
$2,072 $4,144
$1,642 $3,284
$1,642 $3,284
$1,642 $3,284
$2,392 $4,784
$1,802 $3,604
$1,802 $3,604
$1,802 $3,604
$2,442 $4,884
$1,802 $3,604
What 2.5 carats looks like
A well-cut 2.5 carat round measures close to 8.8 mm wide, enough to be noticed from across a room. Its circular girdle sits evenly on any finger, and brilliant facets keep a stone this large lively at every angle. Such a familiar shape also partners easily with nearly any wedding band added later.
Plain shank or extra glitter
- Plain solitaire: the most traditional way to wear a large round.
- Pavé shoulders: lab-grown diamond accents along the upper shank.
- Hidden halo: melee beneath the round and a pavé shank, for glitter in profile.
The metal under a large round
Platinum's strength suits claws holding a heavy round. White gold matches its bright color for less money. Yellow and rose gold wrap the stone in warmth and make it look crisper by contrast.
Wearing a large round
Big rounds sit high, so leave the ring off at the gym, while kneading dough and in the pool. Every week, give the pavilion a gentle scrub in lukewarm suds to keep the sparkle up. A quick claw check at each six-month mark keeps the round secure.
Ring questions, answered.
How do I choose an engagement ring?
Start with the shape she loves, then the setting style. Our gemologists can help you balance carat, cut and budget on a free video call.
Can I build my own engagement ring?
Yes — pick a setting, then a diamond, and review the finished ring before it goes to the bench.
Does the diamond price include the setting?
Diamond and setting are priced separately in the ring builder, and the total is shown before you add the ring to your bag.
How do I find my ring size?
Use our ring size guide, or order a free ring sizer — it arrives in 2–3 days.
Can I return or resize my ring?
You can return it within 30 days (a 10% restocking fee applies to resized or engraved pieces), and your first resize within 60 days of delivery is free.
Should I insure my engagement ring?
We recommend it. Every ring ships fully insured; once it is yours, a separate jewelry insurance policy covers loss, theft and accidental damage.
