4.9 Carat Oval Lab Grown Diamond Prices Comparison

As of April 2026, 4.9 carat oval lab grown diamonds usually range from $570 to $27,640, with an average price of $4,175.In the last month, prices for these diamonds are down 0.1%.Compare 119 verified listings across 6 retailers tracked by CaratRadar.

Market Insights
Last updated: 2026-04-14

4.9 Carat Oval Lab Grown Diamond Market Overview

CaratRadar currently tracks 119 verified 4.9-carat oval lab grown diamonds listed across 6 online retailers. Prices in this segment range from $570 to $27,640, with an average asking price of $4,175 and a median of $3,104.

The price spread of $27,070 (97.9% 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.

  • 119 diamonds tracked in this segment

  • Price range: $570 to $27,640

  • Average price: $4,175

  • Median price: $3,104

  • Available across 6 retailers

  • Savings potential: up to 97.9%

Price Range Overview

As of Apr 14, 2026
Spread $27,070

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

$570$27,640
Tracked

119

Lowest

$570

Average

$4,175

Median

$3,104

Highest

$27,640

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.

GIA | 4.91ct | Oval | D | VVS2 | Excellent
Save 76.6%

GIA | 4.91ct | Oval | D | VVS2 | Excellent

From $6,805

Compare at $29,060

6 stores
GIA | 4.91ct | Oval | E | VVS2 | Excellent
Save 62.7%

GIA | 4.91ct | Oval | E | VVS2 | Excellent

From $4,675

Compare at $12,540

6 stores
GIA | 4.91ct | Oval | H | VS1 | Ideal
Save 74.5%

GIA | 4.91ct | Oval | H | VS1 | Ideal

From $2,812

Compare at $11,020

4 stores
IGI | 4.91ct | Oval | I | SI1 | Ideal
Save 68.3%

IGI | 4.91ct | Oval | I | SI1 | Ideal

From $1,989

Compare at $6,280

5 stores
IGI | 4.91ct | Oval | F | VS1 | Excellent
Save 83.1%

IGI | 4.91ct | Oval | F | VS1 | Excellent

From $1,414

Compare at $8,380

7 stores
IGI | 4.91ct | Oval | E | VS1 | Ideal
Save 53.9%

IGI | 4.91ct | Oval | E | VS1 | Ideal

From $3,371

Compare at $7,310

2 stores
IGI | 4.91ct | Oval | E | VS1 | Ideal
Save 75.5%

IGI | 4.91ct | Oval | E | VS1 | Ideal

From $1,427

Compare at $5,830

5 stores
IGI | 4.91ct | Oval | F | VS1 | Ideal
Save 75.5%

IGI | 4.91ct | Oval | F | VS1 | Ideal

From $1,397

Compare at $5,710

5 stores
IGI | 4.91ct | Oval | D | VVS2 | Excellent
Save 81.8%

IGI | 4.91ct | Oval | D | VVS2 | Excellent

From $2,573

Compare at $14,130

5 stores
IGI | 4.91ct | Oval | E | VS2 | Ideal
Save 76.2%

IGI | 4.91ct | Oval | E | VS2 | Ideal

From $1,896

Compare at $7,967

7 stores
IGI | 4.91ct | Oval | E | VS1 | Ideal
Save 53.9%

IGI | 4.91ct | Oval | E | VS1 | Ideal

From $3,371

Compare at $7,310

2 stores
IGI | 4.91ct | Oval | F | VS2 | Ideal
Save 76.8%

IGI | 4.91ct | Oval | F | VS2 | Ideal

From $1,750

Compare at $7,526

7 stores
IGI | 4.91ct | Oval | F | VS1 | Very Good
Save 53.8%

IGI | 4.91ct | Oval | F | VS1 | Very Good

From $1,472

Compare at $3,184

5 stores
IGI | 4.91ct | Oval | E | VS2 | Ideal
Save 60.2%

IGI | 4.91ct | Oval | E | VS2 | Ideal

From $3,167

Compare at $7,967

2 stores
IGI | 4.91ct | Oval | E | VS1 | Ideal
Save 53.9%

IGI | 4.91ct | Oval | E | VS1 | Ideal

From $3,371

Compare at $7,310

2 stores
IGI | 4.91ct | Oval | F | VS2 | Ideal
Save 53.3%

IGI | 4.91ct | Oval | F | VS2 | Ideal

From $1,257

Compare at $2,693

5 stores
IGI | 4.91ct | Oval | F | VS1 | Excellent
Save 75.3%

IGI | 4.91ct | Oval | F | VS1 | Excellent

From $1,414

Compare at $5,720

7 stores
IGI | 4.91ct | Oval | E | VVS2 | Very Good
Save 77.1%

IGI | 4.91ct | Oval | E | VVS2 | Very Good

From $2,354

Compare at $10,300

2 stores
IGI | 4.91ct | Oval | D | VS1 | Excellent
Save 86.4%

IGI | 4.91ct | Oval | D | VS1 | Excellent

From $1,691

Compare at $12,430

7 stores
IGI | 4.91ct | Oval | D | VS2 | Very Good
Save 85.7%

IGI | 4.91ct | Oval | D | VS2 | Very Good

From $1,530

Compare at $10,720

2 stores
IGI | 4.91ct | Oval | E | VS1 | Very Good
Save 82.9%

IGI | 4.91ct | Oval | E | VS1 | Very Good

From $1,737

Compare at $10,130

6 stores
Save 33.3%

IGI | 4.91ct | Oval | FANCY | VS1 | Excellent

From $2,128

Compare at $3,192

2 stores
IGI | 4.92ct | Oval | G | VS1 | Very Good
Save 75.6%

IGI | 4.92ct | Oval | G | VS1 | Very Good

From $1,354

Compare at $5,540

6 stores
IGI | 4.92ct | Oval | F | VVS2 | Very Good
Save 76.2%

IGI | 4.92ct | Oval | F | VVS2 | Very Good

From $1,563

Compare at $6,560

6 stores
IGI | 4.92ct | Oval | G | VS1 | Very Good
Save 75.6%

IGI | 4.92ct | Oval | G | VS1 | Very Good

From $1,354

Compare at $5,540

6 stores
IGI | 4.92ct | Oval | G | VS1 | Very Good
Save 75.6%

IGI | 4.92ct | Oval | G | VS1 | Very Good

From $1,354

Compare at $5,540

6 stores
IGI | 4.92ct | Oval | F | IF | Ideal
Save 77.8%

IGI | 4.92ct | Oval | F | IF | Ideal

From $13,157

Compare at $59,360

7 stores
IGI | 4.92ct | Oval | E | VS1 | Excellent
Save 88%

IGI | 4.92ct | Oval | E | VS1 | Excellent

From $1,475

Compare at $12,340

8 stores
IGI | 4.92ct | Oval | D | VS2 | Ideal
Save 73%

IGI | 4.92ct | Oval | D | VS2 | Ideal

From $1,900

Compare at $7,040

8 stores
IGI | 4.92ct | Oval | F | VS2 | Ideal
Save 76.8%

IGI | 4.92ct | Oval | F | VS2 | Ideal

From $1,753

Compare at $7,541

7 stores
IGI | 4.92ct | Oval | F | VS2 | Ideal
Save 76.8%

IGI | 4.92ct | Oval | F | VS2 | Ideal

From $1,753

Compare at $7,541

7 stores
IGI | 4.92ct | Oval | E | VS2 | Ideal
Save 76.2%

IGI | 4.92ct | Oval | E | VS2 | Ideal

From $1,900

Compare at $7,983

7 stores
IGI | 4.92ct | Oval | D | VVS2 | Ideal
Save 84.4%

IGI | 4.92ct | Oval | D | VVS2 | Ideal

From $1,235

Compare at $7,930

5 stores
IGI | 4.92ct | Oval | E | VVS1 | Ideal
Save 65.6%

IGI | 4.92ct | Oval | E | VVS1 | Ideal

From $4,740

Compare at $13,790

5 stores
IGI | 4.92ct | Oval | E | VVS2 | Excellent
Save 86.9%

IGI | 4.92ct | Oval | E | VVS2 | Excellent

From $1,651

Compare at $12,570

6 stores
IGI | 4.92ct | Oval | F | VVS2 | Very Good
Save 76.3%

IGI | 4.92ct | Oval | F | VVS2 | Very Good

From $2,239

Compare at $9,450

2 stores
IGI | 4.92ct | Oval | G | VVS2 | Very Good
Save 86.3%

IGI | 4.92ct | Oval | G | VVS2 | Very Good

From $1,370

Compare at $10,020

8 stores
IGI | 4.92ct | Oval | F | VS1 | Ideal
Save 77.9%

IGI | 4.92ct | Oval | F | VS1 | Ideal

From $1,365

Compare at $6,170

6 stores
IGI | 4.92ct | Oval | G | VS1 | Very Good
Save 61.1%

IGI | 4.92ct | Oval | G | VS1 | Very Good

From $1,370

Compare at $3,517

3 stores
IGI | 4.92ct | Oval | E | VVS2 | Excellent
Save 86.9%

IGI | 4.92ct | Oval | E | VVS2 | Excellent

From $1,651

Compare at $12,590

3 stores
IGI | 4.92ct | Oval | D | VVS1 | Very Good
Save 62.9%

IGI | 4.92ct | Oval | D | VVS1 | Very Good

From $4,435

Compare at $11,963

5 stores
IGI | 4.93ct | Oval | F | VS1 | Ideal
Save 66.2%

IGI | 4.93ct | Oval | F | VS1 | Ideal

From $2,081

Compare at $6,150

5 stores
IGI | 4.93ct | Oval | D | VS1 | Ideal
Save 90.5%

IGI | 4.93ct | Oval | D | VS1 | Ideal

From $1,185

Compare at $12,520

6 stores
IGI | 4.93ct | Oval | E | VS2 | Ideal
Save 76.2%

IGI | 4.93ct | Oval | E | VS2 | Ideal

From $1,903

Compare at $7,999

7 stores
Save 79.6%

IGI | 4.93ct | Oval | E | VVS2 | Excellent

From $2,564

Compare at $12,540

6 stores
IGI | 4.93ct | Oval | F | VS1 | Excellent
Save 84.7%

IGI | 4.93ct | Oval | F | VS1 | Excellent

From $1,420

Compare at $9,310

3 stores
IGI | 4.93ct | Oval | E | VS1 | Very Good
Save 77.2%

IGI | 4.93ct | Oval | E | VS1 | Very Good

From $2,256

Compare at $9,900

2 stores
IGI | 4.93ct | Oval | E | VVS2 | Excellent
Save 33.2%

IGI | 4.93ct | Oval | E | VVS2 | Excellent

From $1,713

Compare at $2,565

2 stores
IGI | 4.93ct | Oval | F | VS1 | Very Good
Save 78.1%

IGI | 4.93ct | Oval | F | VS1 | Very Good

From $1,449

Compare at $6,600

2 stores
IGI | 4.93ct | Oval | D | VVS2 | Excellent
Save 75.2%

IGI | 4.93ct | Oval | D | VVS2 | Excellent

From $1,965

Compare at $7,930

5 stores

Entry pricing in this category starts around $570.

What to Know When Shopping for 4.9 Carat Oval Lab Grown Diamonds

  1. Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $27,070 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 $3,104 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. Oval diamonds can appear larger than rounds of the same carat weight due to their elongated face-up area. Watch for the bow-tie effect in lower-quality cuts.

Frequently Asked Questions

We currently track 119 comparable stones in this segment. Prices start around $570 and go up to $27,640.

Based on the latest market data, the average asking price is about $4,175 with a median around $3,104.

The observed spread is roughly $27,070 across tracked listings, which is about 97.9% 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 $3,104, 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 6 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 $27,070 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 4.9 carat Oval diamonds.