How much does a 2.5-carat lab-grown diamond ring cost? At Beylora, a complete 2.5-carat ring costs $1,850, $2,150, $2,550 or $2,850 in 14k white or yellow gold, depending on the design, with 9, 119, 80 and 210 designs at those prices. 18k gold adds $500 and platinum adds $700. The price includes the lab-grown center diamond and the setting.
Reviewed by Beylora on October 2, 2026. Every price below was read from Beylora's own catalog that day, before tax and optional Rush. Prices can change, so check the product page before ordering.
A 2.5-carat ring in Provo or Orem
Beylora sells online and has no showroom. A complete 2.5-carat ring ships free and insured to Provo, Orem and the rest of Utah County, signed for on delivery. Standard delivery is estimated at about 30 days from ordering, and the optional $300 Rush is estimated at about 15 days. To compare local jewelers' warranties and terms, see our Provo and Orem engagement ring guide. To see the prices Provo and Orem jewelers list online, see engagement ring prices in Provo and Orem.
To see what Provo and Orem jewelers list at this size, with prices read from each store's own website, see our 2 and 2.5 carat lab-grown engagement rings in Provo and Orem page.
What a 2.5-carat ring costs in each metal
Three designs, one at each 14k price, with a 2.5-carat lab-grown center diamond:
| Design | 14k gold | 18k gold | Platinum |
|---|---|---|---|
| Bellagio, radiant | $2,150 | $2,650 | $2,850 |
| Ravello, round | $2,550 | $3,050 | $3,250 |
| Como, emerald cut | $2,850 | $3,350 | $3,550 |
White and yellow gold are the same price at each karat. Select your ring size and check the current price on the product page before ordering.
How much more is 2.5 carats than 2 carats?
In the same design and metal, each half-carat step adds $350. For Bellagio in 14k yellow gold:
| Center diamond | Bellagio, 14k yellow gold |
|---|---|
| 2 carats | $1,800 |
| 2.5 carats | $2,150 |
| 3 carats | $2,500 |
For more on each step, read what a 2-carat ring costs and what a 3-carat ring costs.
How big is a 2.5-carat diamond?
A well-cut 2.5-carat round diamond is about 8.9 mm across, compared with about 8.1 mm at 2 carats and about 9.3 mm at 3 carats. Widths are approximate, from the Diamonds.pro carat size chart, read October 2, 2026. Carat is weight: GIA defines one carat as 0.2 grams, so 2.5 carats is 0.5 grams. Ovals, pears, marquise and emerald cuts spread the same weight over a longer outline. For the widths from 1 to 3 carats, see 1 carat vs 2 carat lab-grown diamond.
What is the 2.5-carat center diamond?
Beylora's lab-grown center diamonds are D color and VVS clarity, with an individual IGI report. That report covers the center diamond. Our IGI report guide explains each field. Every ring is covered by the Beylora Lifetime Guarantee.
What delivery and return costs should I budget for?
Standard shipping is free. A $2,150 ring with the optional $300 Rush is $2,450 before tax. Eligible change-of-mind returns within 30 days of arrival have a 20% restocking fee: $430 on a $2,150 ring. The optional $300 Rush fee is nonrefundable on change-of-mind returns. Damaged, faulty or incorrect arrivals are repaired, replaced or refunded in full without a fee. Read the full policies.
For a lower starting budget, compare the 2-carat rings under $2,000.
For a larger center diamond, see what 3.5, 4 and 5 carat rings cost.
2.5-carat ring questions
Where can I get a 2.5 carat lab-grown engagement ring in Provo or Orem?
Beylora sells complete 2.5-carat lab-grown diamond engagement rings online and ships them free and insured to Provo, Orem and the rest of Utah County. A 2.5-carat ring is $1,850, $2,150, $2,550 or $2,850 in 14k gold, depending on the design, before tax. Beylora has no showroom.
How much is a 2.5 carat lab-grown engagement ring?
At Beylora, a complete 2.5-carat ring is $1,850, $2,150, $2,550 or $2,850 in 14k white or yellow gold, depending on the design, before tax. 18k gold adds $500 and platinum adds $700. The price includes the lab-grown center diamond and the setting.
How much more is 2.5 carats than 2 carats?
In the same design and metal, each half-carat step adds $350 at Beylora. Bellagio in 14k yellow gold is $1,800 at 2 carats, $2,150 at 2.5 carats and $2,500 at 3 carats, before tax.
How big is a 2.5 carat diamond?
A well-cut 2.5-carat round diamond is about 8.9 mm across, compared with about 8.1 mm at 2 carats and about 9.3 mm at 3 carats. Other shapes spread the same weight differently, so an oval or an emerald cut of the same weight looks longer.