2.6 Carat Round Lab Grown Diamond Prices Comparison

As of February 2026, 2.6 carat round lab grown diamonds usually range from $626 to $12,504, with an average price of $1,180.In the last month, prices for these diamonds are down 3.4%.Compare 9,510 verified listings across 12 retailers tracked by CaratRadar.

Market Insights
Last updated: 2026-02-28

2.6 Carat Round Lab Grown Diamond Market Overview

CaratRadar currently tracks 9,510 verified 2.6-carat round lab grown diamonds listed across 12 online retailers. Prices in this segment range from $626 to $12,504, with an average asking price of $1,180 and a median of $931.

The price spread of $11,878 (95.0% 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.

  • 9,510 diamonds tracked in this segment

  • Price range: $626 to $12,504

  • Average price: $1,180

  • Median price: $931

  • Available across 12 retailers

  • Savings potential: up to 95.0%

Price Range Overview

As of Feb 28, 2026
Spread $11,878

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

$626$12,504
Tracked

9,510

Lowest

$626

Average

$1,180

Median

$931

Highest

$12,504

Price History

Price Comparison Matrix

Live Listings

See all listings

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

2.55ct | Round | F | VS1 | IdealIGI
Save 81.9%

2.55ct | Round | F | VS1 | Ideal

From $860

Compare at $4,760

4 stores
2.55ct | Round | D | VVS2 | IdealIGI
Save 75.4%

2.55ct | Round | D | VVS2 | Ideal

From $1,710

Compare at $6,940

2 stores
2.55ct | Round | D | VVS2 | IdealIGI
Save 75.4%

2.55ct | Round | D | VVS2 | Ideal

From $1,710

Compare at $6,940

2 stores
2.55ct | Round | E | VS2 | IdealIGI
Save 80.7%

2.55ct | Round | E | VS2 | Ideal

From $860

Compare at $4,455

5 stores
2.55ct | Round | F | VVS2 | IdealIGI
Save 27.6%

2.55ct | Round | F | VVS2 | Ideal

From $1,466

Compare at $2,025

2 stores
2.55ct | Round | E | VS1 | IdealIGI
Save 65.6%

2.55ct | Round | E | VS1 | Ideal

From $1,838

Compare at $5,350

2 stores
2.55ct | Round | E | VVS2 | IdealIGI
Save 72.8%

2.55ct | Round | E | VVS2 | Ideal

From $1,621

Compare at $5,950

2 stores
2.55ct | Round | E | VS1 | IdealIGI
Save 30.3%

2.55ct | Round | E | VS1 | Ideal

From $1,312

Compare at $1,883

2 stores
2.55ct | Round | E | VS2 | IdealIGI
Save 29%

2.55ct | Round | E | VS2 | Ideal

From $1,323

Compare at $1,863

2 stores
2.55ct | Round | D | VVS2 | IdealIGI
Save 57.6%

2.55ct | Round | D | VVS2 | Ideal

From $1,038

Compare at $2,445

4 stores
2.55ct | Round | E | VVS2 | IdealIGI
Save 63.3%

2.55ct | Round | E | VVS2 | Ideal

From $873

Compare at $2,379

3 stores
2.55ct | Round | F | VVS2 | ExcellentIGI
Save 19.5%

2.55ct | Round | F | VVS2 | Excellent

From $831

Compare at $1,033

2 stores
2.55ct | Round | D | VS1 | IdealIGI
Save 39.4%

2.55ct | Round | D | VS1 | Ideal

From $909

Compare at $1,499

2 stores
2.55ct | Round | E | VVS2 | IdealIGI
Save 50.9%

2.55ct | Round | E | VVS2 | Ideal

From $865

Compare at $1,761

4 stores
2.55ct | Round | F | VVS2 | IdealIGI
Save 81%

2.55ct | Round | F | VVS2 | Ideal

From $1,062

Compare at $5,600

6 stores
2.55ct | Round | D | VS1 | IdealIGI
Save 57.6%

2.55ct | Round | D | VS1 | Ideal

From $1,038

Compare at $2,445

3 stores
2.55ct | Round | E | VVS2 | IdealIGI
Save 41.1%

2.55ct | Round | E | VVS2 | Ideal

From $1,038

Compare at $1,761

3 stores
2.55ct | Round | D | VVS2 | IdealIGI
Save 70.1%

2.55ct | Round | D | VVS2 | Ideal

From $1,118

Compare at $3,740

3 stores
2.55ct | Round | E | VS1 | IdealIGI
Save 80%

2.55ct | Round | E | VS1 | Ideal

From $1,068

Compare at $5,350

6 stores
2.55ct | Round | F | VS1 | IdealIGI
Save 78.1%

2.55ct | Round | F | VS1 | Ideal

From $1,044

Compare at $4,760

5 stores
2.55ct | Round | D | VS2 | IdealIGI
Save 67.6%

2.55ct | Round | D | VS2 | Ideal

From $834

Compare at $2,575

3 stores
2.55ct | Round | E | VVS2 | IdealIGI
Save 57.6%

2.55ct | Round | E | VVS2 | Ideal

From $1,024

Compare at $2,415

3 stores
2.55ct | Round | E | VVS2 | IdealIGI
Save 82.6%

2.55ct | Round | E | VVS2 | Ideal

From $1,038

Compare at $5,950

3 stores
2.55ct | Round | E | VS1 | IdealIGI
Save 33.8%

2.55ct | Round | E | VS1 | Ideal

From $1,152

Compare at $1,741

2 stores
2.55ct | Round | E | VVS2 | IdealIGI
Save 44.7%

2.55ct | Round | E | VVS2 | Ideal

From $840

Compare at $1,518

2 stores
2.55ct | Round | E | VVS2 | ExcellentIGI
Save 44.7%

2.55ct | Round | E | VVS2 | Excellent

From $840

Compare at $1,518

2 stores
2.55ct | Round | E | VVS2 | IdealIGI
Save 21%

2.55ct | Round | E | VVS2 | Ideal

From $1,355

Compare at $1,714

3 stores
2.55ct | Round | E | VS1 | ExcellentIGI
Save 60.3%

2.55ct | Round | E | VS1 | Excellent

From $840

Compare at $2,115

2 stores
2.55ct | Round | E | VS1 | IdealIGI
Save 61.6%

2.55ct | Round | E | VS1 | Ideal

From $840

Compare at $2,190

2 stores
2.55ct | Round | D | VS1 | IdealIGI
Save 57.3%

2.55ct | Round | D | VS1 | Ideal

From $892

Compare at $2,086

3 stores
2.55ct | Round | E | VVS2 | ExcellentIGI
Save 66.3%

2.55ct | Round | E | VVS2 | Excellent

From $909

Compare at $2,700

3 stores
2.55ct | Round | D | VVS2 | IdealIGI
Save 83.8%

2.55ct | Round | D | VVS2 | Ideal

From $1,029

Compare at $6,360

6 stores
2.55ct | Round | E | VS1 | IdealIGI
Save 61.6%

2.55ct | Round | E | VS1 | Ideal

From $840

Compare at $2,190

2 stores
2.55ct | Round | F | VVS2 | IdealIGI
Save 63.4%

2.55ct | Round | F | VVS2 | Ideal

From $844

Compare at $2,307

3 stores
2.55ct | Round | E | VS1 | IdealIGI
Save 61.6%

2.55ct | Round | E | VS1 | Ideal

From $840

Compare at $2,190

2 stores
2.55ct | Round | F | VS2 | IdealIGI
Save 51.8%

2.55ct | Round | F | VS2 | Ideal

From $846

Compare at $1,755

2 stores
2.55ct | Round | D | VVS1 | ExcellentGIA
Save 84.6%

2.55ct | Round | D | VVS1 | Excellent

From $1,497

Compare at $9,720

7 stores
2.55ct | Round | D | VVS1 | ExcellentGIA
Save 61.2%

2.55ct | Round | D | VVS1 | Excellent

From $4,246

Compare at $10,940

3 stores
2.55ct | Round | E | VS1 | ExcellentGIA
Save 50%

2.55ct | Round | E | VS1 | Excellent

From $2,678

Compare at $5,350

2 stores
2.55ct | Round | F | VVS2 | ExcellentGIA
Save 78.5%

2.55ct | Round | F | VVS2 | Excellent

From $2,172

Compare at $10,090

3 stores
2.55ct | Round | I | VS2 | IdealIGI
Save 56.6%

2.55ct | Round | I | VS2 | Ideal

From $4,230

Compare at $9,738

4 stores
2.55ct | Round | J | VS2 | IdealIGI
Save 66.1%

2.55ct | Round | J | VS2 | Ideal

From $3,570

Compare at $10,520

4 stores
2.55ct | Round | J | SI2 | IdealIGI
Save 65.5%

2.55ct | Round | J | SI2 | Ideal

From $3,310

Compare at $9,602

3 stores
2.55ct | Round | H | SI1 | IdealIGI
Save 81.1%

2.55ct | Round | H | SI1 | Ideal

From $1,916

Compare at $10,150

4 stores
2.55ct | Round | J | VS2 | IdealIGI
Save 66.1%

2.55ct | Round | J | VS2 | Ideal

From $3,570

Compare at $10,520

4 stores
2.55ct | Round | J | VS1 | ExcellentIGI
Save 51.5%

2.55ct | Round | J | VS1 | Excellent

From $1,409

Compare at $2,905

2 stores
2.55ct | Round | I | VS1 | ExcellentIGI
Save 51.5%

2.55ct | Round | I | VS1 | Excellent

From $1,452

Compare at $2,994

2 stores
2.55ct | Round | G | VVS2 | ExcellentIGI
Save 72%

2.55ct | Round | G | VVS2 | Excellent

From $1,053

Compare at $3,760

5 stores
2.55ct | Round | G | VVS2 | ExcellentIGI
Save 48.7%

2.55ct | Round | G | VVS2 | Excellent

From $747

Compare at $1,455

3 stores
2.55ct | Round | E | VS1 | IdealIGI
Save 50.1%

2.55ct | Round | E | VS1 | Ideal

From $866

Compare at $1,736

5 stores

Entry pricing in this category starts around $626.

What to Know When Shopping for 2.6 Carat Round Lab Grown Diamonds

  1. Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $11,878 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 $931 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.
  7. Round brilliants command a premium due to higher rough waste during cutting. If budget matters, consider oval or cushion shapes for similar visual size.

Frequently Asked Questions

We currently track 9,510 comparable stones in this segment. Prices start around $626 and go up to $12,504.

Based on the latest market data, the average asking price is about $1,180 with a median around $931.

The observed spread is roughly $11,878 across tracked listings, which is about 95.0% 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 $931, 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 12 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 $11,878 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.

Tracking Lab Grown inventory for 2.6 carat Round diamonds.