3.7 Carat Oval Natural Diamond Prices Comparison

As of February 2026, 3.7 carat oval natural diamonds usually range from $886 to $86,421, with an average price of $42,516.In the last month, prices for these diamonds are down 2%.Compare 30 verified listings across 6 retailers tracked by CaratRadar.

Market Insights
Last updated: 2026-02-28

3.7 Carat Oval Natural Diamond Market Overview

CaratRadar currently tracks 30 verified 3.7-carat oval natural diamonds listed across 6 online retailers. Prices in this segment range from $886 to $86,421, with an average asking price of $42,516 and a median of $45,825.

The price spread of $85,535 (99.0% 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.

  • 30 diamonds tracked in this segment

  • Price range: $886 to $86,421

  • Average price: $42,516

  • Median price: $45,825

  • Available across 6 retailers

  • Savings potential: up to 99.0%

Price Range Overview

As of Feb 28, 2026
Spread $85,535

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

$886$86,421
Tracked

30

Lowest

$886

Average

$42,516

Median

$45,825

Highest

$86,421

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.

3.66ct | Oval | D | VVS2 | IdealGIA
Save 63.3%

3.66ct | Oval | D | VVS2 | Ideal

From $2,794

Compare at $7,609

4 stores
3.67ct | Oval | E | VS2 | Very GoodIGI
Save 82.6%

3.67ct | Oval | E | VS2 | Very Good

From $1,272

Compare at $7,300

2 stores
3.68ct | Oval | G | VS1 | ExcellentGIA
Save 14.9%

3.68ct | Oval | G | VS1 | Excellent

From $59,989

Compare at $70,454

2 stores
3.68ct | Oval | F | VS1 | Very GoodIGI
Save 69.5%

3.68ct | Oval | F | VS1 | Very Good

From $886

Compare at $2,905

3 stores
3.69ct | Oval | D | IF | IdealGIA
Save 50.2%

3.69ct | Oval | D | IF | Ideal

From $7,393

Compare at $14,840

5 stores
3.7ct | Oval | J | VS2 | ExcellentGIA
Save 15.6%

3.7ct | Oval | J | VS2 | Excellent

From $36,040

Compare at $42,678

2 stores
3.7ct | Oval | H | VS1 | IdealGIA
Save 19%

3.7ct | Oval | H | VS1 | Ideal

From $63,080

Compare at $77,922

5 stores
3.7ct | Oval | F | SI1 | ExcellentGIA
Save 18.3%

3.7ct | Oval | F | SI1 | Excellent

From $67,229

Compare at $82,272

3 stores
3.7ct | Oval | D | VS1 | GoodGIA
Save 58.3%

3.7ct | Oval | D | VS1 | Good

From $40,163

Compare at $96,414

2 stores
3.7ct | Oval | I | SI1 | ExcellentGIA

3.7ct | Oval | I | SI1 | Excellent

From $58,424

Compare at $60,550

2 stores
3.7ct | Oval | H | VS1 | IdealGIA

3.7ct | Oval | H | VS1 | Ideal

From $65,282

Compare at $71,601

2 stores
3.7ct | Oval | I | VS1 | Very GoodIGI
Save 13.4%

3.7ct | Oval | I | VS1 | Very Good

From $39,673

Compare at $45,788

2 stores
3.7ct | Oval | I | VS1 | ExcellentGIA

3.7ct | Oval | I | VS1 | Excellent

From $48,789

Compare at $49,042

2 stores
3.7ct | Oval | J | VVS1 | ExcellentGIA
Save 12.7%

3.7ct | Oval | J | VVS1 | Excellent

From $52,930

Compare at $60,644

2 stores
3.7ct | Oval | I | SI1 | Very GoodIGI
Save 10.3%

3.7ct | Oval | I | SI1 | Very Good

From $30,300

Compare at $33,764

2 stores
3.7ct | Oval | E | SI1 | ExcellentGIA
Save 14.8%

3.7ct | Oval | E | SI1 | Excellent

From $64,038

Compare at $75,205

2 stores
3.7ct | Oval | E | VS2 | ExcellentGIA
Save 14.8%

3.7ct | Oval | E | VS2 | Excellent

From $79,781

Compare at $93,677

2 stores
3.7ct | Oval | J | SI1 | ExcellentGIA
Save 38.2%

3.7ct | Oval | J | SI1 | Excellent

From $36,566

Compare at $59,163

2 stores
3.7ct | Oval | D | SI1 | ExcellentGIA
Save 16.4%

3.7ct | Oval | D | SI1 | Excellent

From $79,990

Compare at $95,738

5 stores
3.71ct | Oval | D | SI2 | Very GoodGIA
Save 22.8%

3.71ct | Oval | D | SI2 | Very Good

From $55,491

Compare at $71,901

2 stores
3.71ct | Oval | I | SI1 | Very GoodGIA
Save 10.7%

3.71ct | Oval | I | SI1 | Very Good

From $51,890

Compare at $58,077

2 stores
3.71ct | Oval | G | SI1 | IdealGIA
Save 18.3%

3.71ct | Oval | G | SI1 | Ideal

From $61,566

Compare at $75,388

2 stores
3.71ct | Oval | F | VS2 | ExcellentGIA

3.71ct | Oval | F | VS2 | Excellent

From $86,421

Compare at $90,012

2 stores
3.72ct | Oval | K | VS2 | Very GoodGIA
Save 34.7%

3.72ct | Oval | K | VS2 | Very Good

From $23,007

Compare at $35,240

3 stores
3.72ct | Oval | J | SI2 | ExcellentGIA

3.72ct | Oval | J | SI2 | Excellent

From $34,570

Compare at $37,213

2 stores
3.72ct | Oval | D | VVS1 | IdealGIA
Save 70.6%

3.72ct | Oval | D | VVS1 | Ideal

From $3,744

Compare at $12,720

7 stores
3.72ct | Oval | H | SI2 | Very GoodGIA
Save 24.9%

3.72ct | Oval | H | SI2 | Very Good

From $42,861

Compare at $57,075

2 stores
3.73ct | Oval | I | SI1 | ExcellentGIA
Save 15.5%

3.73ct | Oval | I | SI1 | Excellent

From $52,869

Compare at $62,573

2 stores
3.73ct | Oval | E | VVS1 | IdealGIA
Save 65.3%

3.73ct | Oval | E | VVS1 | Ideal

From $3,603

Compare at $10,391

6 stores
3.74ct | Oval | L | SI2 | GoodGIA

3.74ct | Oval | L | SI2 | Good

From $24,826

Compare at $25,735

2 stores

Entry pricing in this category starts around $886.

What to Know When Shopping for 3.7 Carat Oval Natural Diamonds

  1. Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $85,535 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 $45,825 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. Compare natural vs. lab-grown options for the same carat and shape. Lab-grown diamonds are chemically identical but often 30-50% less expensive.
  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 30 comparable stones in this segment. Prices start around $886 and go up to $86,421.

Based on the latest market data, the average asking price is about $42,516 with a median around $45,825.

The observed spread is roughly $85,535 across tracked listings, which is about 99.0% 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 $45,825, 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 $85,535 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

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Tracking Natural inventory for 3.7 carat Oval diamonds.