7 Carat Round Lab Grown Diamond Prices Comparison

As of October 2026, 7 carat round lab grown diamonds in the 7.00–7.99 carat benchmark range usually range from $590 to $120,440, with an average price of $4,403.In the last month, prices for these diamonds are down 3.6%.Compare 2,355 verified listings across 13 retailers tracked by CaratRadar.

Market Insights
Last updated: 2026-10-15

7 Carat Round Lab Grown Diamond Market Overview

CaratRadar currently tracks 2,355 verified 7-carat round lab grown diamonds in the 7.00–7.99 carat benchmark range, listed across 13 online retailers. Prices in this segment range from $590 to $120,440, with an average asking price of $4,403 and a median of $3,300.

The price spread of $119,850 (99.5% 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 use the same benchmark range throughout the page and 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.

  • 2,355 diamonds tracked in the 7.00–7.99 carat benchmark

  • Price range: $590 to $120,440

  • Average price: $4,403

  • Median price: $3,300

  • Available across 13 retailers

  • Savings potential: up to 99.5%

All charts, listings, price matrices, shape comparisons, FAQs, and schema on this page use the same 7.00–7.99 carat benchmark range.

Price Range Overview

As of Oct 15, 2026
Spread $119,850

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

$590$120,440
Tracked

2,355

Lowest

$590

Average

$4,403

Median

$3,300

Highest

$120,440

Price History

Price Comparison Matrix

Live Listings

See all listings

Compare current retailer offers in the same benchmark range and open any listing for full details.

IGI | 7ct | Round | F | SI2 | Ideal
Save 76.9%

IGI | 7ct | Round | F | SI2 | Ideal

From $947

Compare at $4,100

5 stores
IGI | 7ct | Round | G | SI1 | Ideal
Save 78.2%

IGI | 7ct | Round | G | SI1 | Ideal

From $988

Compare at $4,540

9 stores
IGI | 7.07ct | Round | F | SI1 | Ideal
Save 80%

IGI | 7.07ct | Round | F | SI1 | Ideal

From $998

Compare at $4,980

9 stores
IGI | 7.02ct | Round | F | VVS2 | Ideal
Save 68.4%

IGI | 7.02ct | Round | F | VVS2 | Ideal

From $1,016

Compare at $3,215

8 stores
IGI | 7.03ct | Round | F | VVS2 | Ideal
Save 68.4%

IGI | 7.03ct | Round | F | VVS2 | Ideal

From $1,017

Compare at $3,223

9 stores
IGI | 7.03ct | Round | F | VVS2 | Excellent
Save 72.2%

IGI | 7.03ct | Round | F | VVS2 | Excellent

From $1,066

Compare at $3,835

10 stores
IGI | 7.01ct | Round | F | VVS2 | Excellent
Save 72.8%

IGI | 7.01ct | Round | F | VVS2 | Excellent

From $1,072

Compare at $3,938

10 stores
IGI | 7.01ct | Round | F | VVS2 | Ideal
Save 72.2%

IGI | 7.01ct | Round | F | VVS2 | Ideal

From $1,075

Compare at $3,869

9 stores
IGI | 7.02ct | Round | F | VVS2 | Ideal
Save 79.2%

IGI | 7.02ct | Round | F | VVS2 | Ideal

From $1,077

Compare at $5,167

9 stores
IGI | 7.02ct | Round | F | VVS2 | Excellent
Save 79.2%

IGI | 7.02ct | Round | F | VVS2 | Excellent

From $1,077

Compare at $5,167

9 stores
IGI | 7.04ct | Round | F | VVS2 | Excellent
Save 79.6%

IGI | 7.04ct | Round | F | VVS2 | Excellent

From $1,077

Compare at $5,273

9 stores
IGI | 7.04ct | Round | F | VVS2 | Ideal
Save 79.6%

IGI | 7.04ct | Round | F | VVS2 | Ideal

From $1,077

Compare at $5,273

9 stores
IGI | 7.04ct | Round | F | VVS2 | Ideal
Save 79.2%

IGI | 7.04ct | Round | F | VVS2 | Ideal

From $1,080

Compare at $5,182

9 stores
IGI | 7.04ct | Round | F | VVS2 | Ideal
Save 79.2%

IGI | 7.04ct | Round | F | VVS2 | Ideal

From $1,080

Compare at $5,182

9 stores
IGI | 7.05ct | Round | F | VVS2 | Ideal
Save 72.2%

IGI | 7.05ct | Round | F | VVS2 | Ideal

From $1,081

Compare at $3,892

9 stores
IGI | 7.07ct | Round | F | VVS2 | Ideal
Save 72.8%

IGI | 7.07ct | Round | F | VVS2 | Ideal

From $1,081

Compare at $3,971

9 stores
IGI | 7.06ct | Round | F | VVS2 | Ideal
Save 79.2%

IGI | 7.06ct | Round | F | VVS2 | Ideal

From $1,083

Compare at $5,196

9 stores
IGI | 7.06ct | Round | F | VVS2 | Ideal
Save 79.2%

IGI | 7.06ct | Round | F | VVS2 | Ideal

From $1,083

Compare at $5,196

9 stores
IGI | 7.06ct | Round | F | VVS2 | Ideal
Save 79.2%

IGI | 7.06ct | Round | F | VVS2 | Ideal

From $1,083

Compare at $5,196

9 stores
IGI | 7.07ct | Round | F | VVS2 | Ideal
Save 72.2%

IGI | 7.07ct | Round | F | VVS2 | Ideal

From $1,084

Compare at $3,903

9 stores
IGI | 7.07ct | Round | F | VVS2 | Excellent
Save 72.2%

IGI | 7.07ct | Round | F | VVS2 | Excellent

From $1,084

Compare at $3,903

9 stores
IGI | 7.09ct | Round | F | VVS2 | Ideal
Save 72.8%

IGI | 7.09ct | Round | F | VVS2 | Ideal

From $1,084

Compare at $3,983

9 stores
IGI | 7.09ct | Round | F | VVS2 | Ideal
Save 72.8%

IGI | 7.09ct | Round | F | VVS2 | Ideal

From $1,084

Compare at $3,983

9 stores
IGI | 7.08ct | Round | F | VVS2 | Ideal
Save 79.2%

IGI | 7.08ct | Round | F | VVS2 | Ideal

From $1,086

Compare at $5,211

9 stores
IGI | 7.08ct | Round | F | VVS2 | Ideal
Save 79.2%

IGI | 7.08ct | Round | F | VVS2 | Ideal

From $1,086

Compare at $5,211

9 stores
IGI | 7.08ct | Round | F | VVS2 | Ideal
Save 79.2%

IGI | 7.08ct | Round | F | VVS2 | Ideal

From $1,086

Compare at $5,211

9 stores
IGI | 7.08ct | Round | F | VVS2 | Ideal
Save 79.2%

IGI | 7.08ct | Round | F | VVS2 | Ideal

From $1,086

Compare at $5,211

9 stores
IGI | 7.09ct | Round | F | VVS2 | Ideal
Save 72.2%

IGI | 7.09ct | Round | F | VVS2 | Ideal

From $1,087

Compare at $3,914

9 stores
IGI | 7.09ct | Round | F | VVS2 | Ideal
Save 72.2%

IGI | 7.09ct | Round | F | VVS2 | Ideal

From $1,087

Compare at $3,914

9 stores
IGI | 7.09ct | Round | F | VVS2 | Ideal
Save 72.2%

IGI | 7.09ct | Round | F | VVS2 | Ideal

From $1,087

Compare at $3,914

9 stores
IGI | 7.1ct | Round | F | VVS2 | Ideal
Save 79.2%

IGI | 7.1ct | Round | F | VVS2 | Ideal

From $1,088

Compare at $5,226

9 stores
IGI | 7.04ct | Round | F | SI1 | Ideal
Save 77.9%

IGI | 7.04ct | Round | F | SI1 | Ideal

From $1,097

Compare at $4,960

10 stores
IGI | 7.07ct | Round | F | VS1 | Ideal
Save 71.4%

IGI | 7.07ct | Round | F | VS1 | Ideal

From $1,102

Compare at $3,857

9 stores
IGI | 7.01ct | Round | F | VVS2 | Excellent
Save 72.8%

IGI | 7.01ct | Round | F | VVS2 | Excellent

From $1,103

Compare at $4,054

9 stores
IGI | 7.01ct | Round | F | VVS2 | Ideal
Save 79.4%

IGI | 7.01ct | Round | F | VVS2 | Ideal

From $1,104

Compare at $5,361

4 stores
IGI | 7.01ct | Round | F | VS1 | Ideal
Save 79.4%

IGI | 7.01ct | Round | F | VS1 | Ideal

From $1,104

Compare at $5,361

5 stores
IGI | 7.01ct | Round | F | VVS2 | Ideal
Save 72%

IGI | 7.01ct | Round | F | VVS2 | Ideal

From $1,104

Compare at $3,938

6 stores
IGI | 7.01ct | Round | F | VVS2 | Excellent
Save 72%

IGI | 7.01ct | Round | F | VVS2 | Excellent

From $1,104

Compare at $3,938

6 stores
IGI | 7.09ct | Round | F | VS1 | Ideal
Save 71.4%

IGI | 7.09ct | Round | F | VS1 | Ideal

From $1,105

Compare at $3,868

9 stores
IGI | 7.1ct | Round | F | VS1 | Ideal
Save 78.6%

IGI | 7.1ct | Round | F | VS1 | Ideal

From $1,106

Compare at $5,164

9 stores
IGI | 7.02ct | Round | F | VVS2 | Excellent
Save 79%

IGI | 7.02ct | Round | F | VVS2 | Excellent

From $1,106

Compare at $5,258

9 stores
IGI | 7.02ct | Round | F | VVS2 | Excellent
Save 79%

IGI | 7.02ct | Round | F | VVS2 | Excellent

From $1,106

Compare at $5,258

6 stores
IGI | 7ct | Round | F | VS1 | Ideal
Save 79.6%

IGI | 7ct | Round | F | VS1 | Ideal

From $1,107

Compare at $5,427

9 stores
IGI | 7.03ct | Round | F | VVS2 | Excellent
Save 72%

IGI | 7.03ct | Round | F | VVS2 | Excellent

From $1,107

Compare at $3,949

6 stores
IGI | 7.04ct | Round | F | VVS2 | Excellent
Save 79%

IGI | 7.04ct | Round | F | VVS2 | Excellent

From $1,108

Compare at $5,273

6 stores
IGI | 7.04ct | Round | F | VVS2 | Excellent
Save 79%

IGI | 7.04ct | Round | F | VVS2 | Excellent

From $1,108

Compare at $5,273

6 stores
IGI | 7ct | Round | F | VVS2 | Excellent
Save 79%

IGI | 7ct | Round | F | VVS2 | Excellent

From $1,108

Compare at $5,269

8 stores
IGI | 7.02ct | Round | F | VVS2 | Excellent
Save 67.8%

IGI | 7.02ct | Round | F | VVS2 | Excellent

From $1,114

Compare at $3,456

8 stores
IGI | 7.02ct | Round | F | VVS2 | Ideal
Save 67.8%

IGI | 7.02ct | Round | F | VVS2 | Ideal

From $1,114

Compare at $3,456

8 stores
IGI | 7.02ct | Round | F | VVS2 | Ideal
Save 67.8%

IGI | 7.02ct | Round | F | VVS2 | Ideal

From $1,114

Compare at $3,456

8 stores

Entry pricing in this benchmark range starts around $590.

What to Know When Shopping for 7 Carat Round Lab Grown Diamonds

  1. Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $119,850 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 $3,300 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 2,355 comparable stones in the 7.00–7.99 carat benchmark range. Prices start around $590 and go up to $120,440.

Based on the latest market data, the average asking price is about $4,403 with a median around $3,300.

The observed spread is roughly $119,850 across tracked listings, which is about 99.5% from highest to lowest offer in the 7.00–7.99 carat benchmark range.

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

Based on completed market data, the fair market benchmark is $4,403. The median price is $3,300, so offers between the median and fair benchmark can be reasonable, while reputable listings below the median may be especially competitive.

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 $119,850 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 the 7.00–7.99 carat Round diamond benchmark.