CaratRadar

2.5 Carat Lab Grown Diamond Prices Comparison

As of February 2026, the average price of a 2.5 carat lab grown diamond is $1,266.2.5 carat diamonds can cost anywhere from $450 to $63,737 depending on shape, color, clarity, and other factors.In the last month, prices for these diamonds are down 1.8%.Compare 29,968 verified listings across 13 retailers in the tables below.

Market Insights
Last updated: 2026-02-28

2.5 Carat Lab Grown Diamond Market Overview

CaratRadar currently tracks 29,968 verified 2.5-carat lab grown diamonds listed across 13 online retailers. Prices in this segment range from $450 to $63,737, with an average asking price of $1,266 and a median of $942.

The price spread of $63,287 (99.3% from highest to lowest) highlights why comparing identical certified diamonds across multiple retailers matters. Two identical certified diamonds can differ by hundreds or even thousands of dollars depending on the retailer.

These figures are based on our latest daily market data, matched by certification lab and certificate number across retailers, so you are comparing the exact same diamond.

  • 29,968 diamonds tracked in this segment

  • Price range: $450 to $63,737

  • Average price: $1,266

  • Median price: $942

  • Available across 13 retailers

  • Savings potential: up to 99.3%

Price Range Overview

As of Feb 28, 2026
Spread $63,287

Real market range for this carat, shape, and diamond type.

$450$63,737
Tracked

29,968

Lowest

$450

Average

$1,266

Median

$942

Highest

$63,737

Price History

Price Comparison Matrix

2.5 Carat Lab Grown Diamond Prices by Shape

Shape-level averages for this carat and type. Open each shape page for full market detail.

ShapeAverage PriceListingsPage
Round$1,21712,191View
Oval$1,2117,501View
Pear$1,4271,982View
Cushion$1,4131,804View
Emerald$1,1891,768View
Radiant$1,5531,688View
Princess$1,3211,565View
Marquise$1,3221,025View
Heart$1,134643View
Asscher$1,097502View
Antique$2,2576View

Live Listings

See all listings

Compare current retailer offers for this exact segment and open any listing for full details.

2.46ct | Antique | E | VVS2 | IdealGIA
Save 80.8%

2.46ct | Antique | E | VVS2 | Ideal

From $1,824

Compare at $9,520

2 stores
2.46ct | Antique | E | VVS1 | IdealIGI
Save 36.8%

2.46ct | Antique | E | VVS1 | Ideal

From $2,316

Compare at $3,664

3 stores
2.5ct | Antique | D | VVS2 | IdealIGI
Save 77.8%

2.5ct | Antique | D | VVS2 | Ideal

From $1,317

Compare at $5,930

2 stores
2.54ct | Antique | F | VVS2 | Very GoodGCAL
Save 64.2%

2.54ct | Antique | F | VVS2 | Very Good

From $3,756

Compare at $10,490

2 stores
2.54ct | Antique | FANCY | VVS2 | IdealIGI
Save 59.2%

2.54ct | Antique | FANCY | VVS2 | Ideal

From $3,425

Compare at $8,400

2 stores
2.54ct | Antique | E | VVS2 | IdealIGI
Save 82.8%

2.54ct | Antique | E | VVS2 | Ideal

From $906

Compare at $5,270

4 stores
2.46ct | Asscher | E | VS1 | IdealIGI
Save 73.2%

2.46ct | Asscher | E | VS1 | Ideal

From $924

Compare at $3,450

4 stores
2.46ct | Asscher | E | VS1 | Very GoodIGI
Save 85.8%

2.46ct | Asscher | E | VS1 | Very Good

From $694

Compare at $4,890

6 stores
2.46ct | Asscher | G | VS1 | Very GoodIGI
Save 70.9%

2.46ct | Asscher | G | VS1 | Very Good

From $811

Compare at $2,790

3 stores
2.46ct | Asscher | E | VS1 | ExcellentIGI
Save 54.1%

2.46ct | Asscher | E | VS1 | Excellent

From $1,341

Compare at $2,920

2 stores
2.46ct | Asscher | E | VS2 | IdealIGI
Save 81.6%

2.46ct | Asscher | E | VS2 | Ideal

From $741

Compare at $4,020

5 stores
2.47ct | Asscher | D | VS1 | ExcellentIGI
Save 86.1%

2.47ct | Asscher | D | VS1 | Excellent

From $746

Compare at $5,360

6 stores
2.47ct | Asscher | H | VVS2 | Very GoodIGI
Save 14.7%

2.47ct | Asscher | H | VVS2 | Very Good

From $744

Compare at $872

2 stores
2.47ct | Asscher | D | VVS1 | IdealIGI
Save 86.7%

2.47ct | Asscher | D | VVS1 | Ideal

From $910

Compare at $6,850

6 stores
2.47ct | Asscher | E | VS1 | IdealIGI
Save 79.8%

2.47ct | Asscher | E | VS1 | Ideal

From $1,010

Compare at $5,000

3 stores
2.48ct | Asscher | D | VS1 | IdealIGI
Save 80.3%

2.48ct | Asscher | D | VS1 | Ideal

From $1,055

Compare at $5,350

3 stores
2.48ct | Asscher | G | VS2 | Very GoodIGI
Save 62.9%

2.48ct | Asscher | G | VS2 | Very Good

From $607

Compare at $1,639

4 stores
2.48ct | Asscher | E | VVS2 | IdealIGI
Save 87.2%

2.48ct | Asscher | E | VVS2 | Ideal

From $698

Compare at $5,450

6 stores
2.48ct | Asscher | D | VS1 | IdealIGI
Save 80.7%

2.48ct | Asscher | D | VS1 | Ideal

From $1,055

Compare at $5,480

3 stores
2.48ct | Asscher | D | VS2 | IdealIGI
Save 83.6%

2.48ct | Asscher | D | VS2 | Ideal

From $806

Compare at $4,910

4 stores
2.48ct | Asscher | E | VS1 | Very GoodIGI
Save 82.9%

2.48ct | Asscher | E | VS1 | Very Good

From $843

Compare at $4,930

4 stores
2.48ct | Asscher | F | VVS2 | Very GoodIGI
Save 83.8%

2.48ct | Asscher | F | VVS2 | Very Good

From $843

Compare at $5,190

3 stores
2.48ct | Asscher | E | VS1 | IdealIGI
Save 79.8%

2.48ct | Asscher | E | VS1 | Ideal

From $1,014

Compare at $5,020

3 stores
2.48ct | Asscher | D | SI1 | IdealIGI
Save 74%

2.48ct | Asscher | D | SI1 | Ideal

From $1,047

Compare at $4,020

5 stores
2.48ct | Asscher | G | VS1 | IdealIGI
Save 77.4%

2.48ct | Asscher | G | VS1 | Ideal

From $1,059

Compare at $4,690

2 stores
2.49ct | Asscher | D | VS1 | IdealIGI
Save 84.9%

2.49ct | Asscher | D | VS1 | Ideal

From $833

Compare at $5,500

4 stores
2.49ct | Asscher | D | VS2 | ExcellentIGI
Save 71.5%

2.49ct | Asscher | D | VS2 | Excellent

From $1,370

Compare at $4,810

2 stores
2.49ct | Asscher | D | VS1 | IdealIGI
Save 84.9%

2.49ct | Asscher | D | VS1 | Ideal

From $833

Compare at $5,500

4 stores
2.49ct | Asscher | D | VS1 | ExcellentIGI
Save 73.8%

2.49ct | Asscher | D | VS1 | Excellent

From $1,407

Compare at $5,370

2 stores
2.49ct | Asscher | E | VS1 | IdealIGI
Save 72.6%

2.49ct | Asscher | E | VS1 | Ideal

From $859

Compare at $3,130

4 stores
2.49ct | Asscher | D | VS2 | IdealIGI
Save 83.2%

2.49ct | Asscher | D | VS2 | Ideal

From $815

Compare at $4,840

4 stores
2.49ct | Asscher | D | VVS2 | Very GoodIGI
Save 86%

2.49ct | Asscher | D | VVS2 | Very Good

From $866

Compare at $6,190

3 stores
2.49ct | Asscher | F | VS1 | IdealIGI
Save 82.5%

2.49ct | Asscher | F | VS1 | Ideal

From $778

Compare at $4,460

2 stores
2.49ct | Asscher | E | VVS2 | Very GoodIGI
Save 83.3%

2.49ct | Asscher | E | VVS2 | Very Good

From $913

Compare at $5,485

4 stores
2.49ct | Asscher | E | VS1 | IdealIGI
Save 84%

2.49ct | Asscher | E | VS1 | Ideal

From $809

Compare at $5,040

4 stores
2.49ct | Asscher | D | VS1 | IdealGIA
Save 35.1%

2.49ct | Asscher | D | VS1 | Ideal

From $3,486

Compare at $5,370

2 stores
2.49ct | Asscher | D | VVS2 | IdealIGI
Save 87.8%

2.49ct | Asscher | D | VVS2 | Ideal

From $755

Compare at $6,180

6 stores
2.49ct | Asscher | F | VVS2 | IdealIGI
Save 87.9%

2.49ct | Asscher | F | VVS2 | Ideal

From $629

Compare at $5,210

4 stores
2.49ct | Asscher | D | VS1 | IdealIGI
Save 83.1%

2.49ct | Asscher | D | VS1 | Ideal

From $914

Compare at $5,400

2 stores
2.49ct | Asscher | E | VVS2 | Very GoodIGI
Save 82.8%

2.49ct | Asscher | E | VVS2 | Very Good

From $908

Compare at $5,270

4 stores
2.49ct | Asscher | E | VVS2 | Very GoodIGI
Save 84.9%

2.49ct | Asscher | E | VVS2 | Very Good

From $827

Compare at $5,485

3 stores
2.5ct | Asscher | G | VS2 | IdealIGI
Save 77.4%

2.5ct | Asscher | G | VS2 | Ideal

From $1,060

Compare at $4,690

2 stores
2.5ct | Asscher | E | VVS1 | IdealIGI
Save 73.4%

2.5ct | Asscher | E | VVS1 | Ideal

From $3,015

Compare at $11,340

2 stores
2.5ct | Asscher | E | VS1 | Very GoodIGI
Save 78.6%

2.5ct | Asscher | E | VS1 | Very Good

From $1,276

Compare at $5,950

2 stores
2.5ct | Asscher | E | VS1 | IdealIGI
Save 80.9%

2.5ct | Asscher | E | VS1 | Ideal

From $1,022

Compare at $5,340

3 stores
2.5ct | Asscher | E | VS1 | IdealIGI
Save 80.9%

2.5ct | Asscher | E | VS1 | Ideal

From $1,022

Compare at $5,350

3 stores
2.5ct | Asscher | D | VVS2 | IdealIGI
Save 83.8%

2.5ct | Asscher | D | VVS2 | Ideal

From $1,053

Compare at $6,500

3 stores
2.5ct | Asscher | F | IF | ExcellentIGI
Save 63.5%

2.5ct | Asscher | F | IF | Excellent

From $3,016

Compare at $8,265

7 stores
2.5ct | Asscher | D | VVS2 | IdealIGI
Save 88.6%

2.5ct | Asscher | D | VVS2 | Ideal

From $733

Compare at $6,450

4 stores
2.5ct | Asscher | E | VS1 | Very GoodIGI
Save 17.1%

2.5ct | Asscher | E | VS1 | Very Good

From $724

Compare at $874

2 stores

Entry pricing in this category starts around $450.

See all listings

What to Know When Shopping for 2.5 Carat Lab Grown Diamonds

  1. Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $63,287 or more.
  2. Focus on the 4Cs that matter most to you. Color and clarity grades drive price more than cut in many segments, but cut affects sparkle the most.
  3. The median price of $942 is a useful benchmark. If you see a deal significantly below this, verify the retailer's reputation and return policy.
  4. Consider eye-clean alternatives. Moving one clarity grade down (e.g., VS2 to SI1) can save 10-15% with no visible difference to the naked eye.
  5. Lab-grown diamonds offer excellent value. Ensure the stone comes with a GIA or IGI certificate confirming it is laboratory-grown.
  6. Check shipping, insurance, and return policies. The lowest sticker price is not always the best deal once you factor in total cost of purchase.

Frequently Asked Questions

We currently track 29,968 comparable stones in this segment. Prices start around $450 and go up to $63,737.

Based on the latest market data, the average asking price is about $1,266 with a median around $942.

The observed spread is roughly $63,287 across tracked listings, which is about 99.3% from highest to lowest offer in this bucket.

We refresh pricing data daily so these pages stay current with market changes.

Based on our data, the median price is $942, which represents the midpoint of the market. Anything below this figure from a reputable retailer is a solid deal.

We currently track this stone category across 13 online retailers, giving you a broad view of the competitive landscape.

For most buyers, color differences below G are hard to detect once set in a ring. Clarity grades of VS2 and above are typically eye-clean. Prioritize cut quality for maximum brilliance, then balance color and clarity based on your budget.

Retailer pricing strategies, overhead costs, and margin targets all contribute. The exact certified diamond can differ by $63,287 across sellers, which is why direct certified-diamond comparison is essential.

We match diamonds across retailers by their certification lab and certificate number. This means the prices you see are for the exact same physical diamond, not just stones with similar specs. It is a true apples-to-apples comparison.

Diamond prices fluctuate based on supply and demand. Our data refreshes regularly so you can track trends over time. Use the price range on this page as a benchmark and compare it to historical averages when available.

Diamond Terminology

Carat
A unit of weight for diamonds equal to 200 milligrams. Larger carat weights are exponentially rarer, which is why prices increase non-linearly with size.
Cut
Refers to how well a diamond's facets interact with light. Cut quality ranges from Ideal to Poor and is the single biggest factor affecting a diamond's brilliance.
Color
Grades a diamond's lack of color on a scale from D (colorless) to Z (light yellow). Grades D-F are considered colorless; G-J are near-colorless and offer good value.
Clarity
Measures the presence of internal inclusions or surface blemishes. Grades range from Flawless (FL) to Included (I3). Most inclusions in VS2 and above are invisible to the naked eye.

Related Price Categories

Explore adjacent carat ranges and shapes to compare market shifts.

2.5 Carat Round Lab Grown Diamond Prices

2.5 Carat Oval Lab Grown Diamond Prices

2.5 Carat Pear Lab Grown Diamond Prices

2.5 Carat Cushion Lab Grown Diamond Prices

2.5 Carat Emerald Lab Grown Diamond Prices

2.5 Carat Radiant Lab Grown Diamond Prices

2.5 Carat Princess Lab Grown Diamond Prices

2.5 Carat Marquise Lab Grown Diamond Prices

2.5 Carat Heart Lab Grown Diamond Prices

2.5 Carat Asscher Lab Grown Diamond Prices

Tools and Guides

Browse lab grown diamondsUse the diamond price calculatorCompare natural vs lab pricesRead the diamond buying guideLab grown vs natural guide

Tracking Lab Grown inventory for 2.5 carat all-shape diamonds.