3.5 Carat Round Natural Diamond Prices Comparison

As of April 2026, 3.5 carat round natural diamonds usually range from $1,595 to $152,541, with an average price of $49,798.In the last month, prices for these diamonds are down 0.4%.Compare 298 verified listings across 7 retailers tracked by CaratRadar.

Market Insights
Last updated: 2026-04-14

3.5 Carat Round Natural Diamond Market Overview

CaratRadar currently tracks 298 verified 3.5-carat round natural diamonds listed across 7 online retailers. Prices in this segment range from $1,595 to $152,541, with an average asking price of $49,798 and a median of $45,420.

The price spread of $150,946 (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.

  • 298 diamonds tracked in this segment

  • Price range: $1,595 to $152,541

  • Average price: $49,798

  • Median price: $45,420

  • Available across 7 retailers

  • Savings potential: up to 99.0%

Price Range Overview

As of Apr 14, 2026
Spread $150,946

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

$1,595$152,541
Tracked

298

Lowest

$1,595

Average

$49,798

Median

$45,420

Highest

$152,541

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 | 3.5ct | Round | I | VVS2 | Excellent
Save 14.1%

GIA | 3.5ct | Round | I | VVS2 | Excellent

From $49,404

Compare at $57,486

3 stores
GIA | 3.5ct | Round | D | VS2 | Excellent
Save 38.4%

GIA | 3.5ct | Round | D | VS2 | Excellent

From $65,064

Compare at $105,706

4 stores
GIA | 3.5ct | Round | G | SI1 | Excellent
Save 25.3%

GIA | 3.5ct | Round | G | SI1 | Excellent

From $50,859

Compare at $68,040

4 stores
GIA | 3.5ct | Round | K | SI1 | Ideal
Save 37.1%

GIA | 3.5ct | Round | K | SI1 | Ideal

From $23,317

Compare at $37,080

4 stores
Save 15%

GIA | 3.5ct | Round | I | SI1 | Excellent

From $46,685

Compare at $54,911

2 stores
GIA | 3.5ct | Round | G | SI2 | Excellent
Save 16.7%

GIA | 3.5ct | Round | G | SI2 | Excellent

From $45,943

Compare at $55,126

2 stores
GIA | 3.5ct | Round | H | SI2 | Excellent
Save 16.2%

GIA | 3.5ct | Round | H | SI2 | Excellent

From $31,415

Compare at $37,480

3 stores
GIA | 3.5ct | Round | J | SI1 | Excellent
Save 13.6%

GIA | 3.5ct | Round | J | SI1 | Excellent

From $36,162

Compare at $41,858

2 stores
GIA | 3.5ct | Round | D | VS2 | Excellent
Save 16.7%

GIA | 3.5ct | Round | D | VS2 | Excellent

From $49,671

Compare at $59,610

4 stores
GIA | 3.5ct | Round | L | SI1 | Excellent
Save 25.1%

GIA | 3.5ct | Round | L | SI1 | Excellent

From $22,339

Compare at $29,834

3 stores
GIA | 3.5ct | Round | K | VVS1 | Excellent

GIA | 3.5ct | Round | K | VVS1 | Excellent

From $39,446

Compare at $40,047

2 stores
GIA | 3.5ct | Round | J | VVS1 | Ideal
Save 14.1%

GIA | 3.5ct | Round | J | VVS1 | Ideal

From $42,215

Compare at $49,121

3 stores
GIA | 3.5ct | Round | L | VS2 | Ideal
Save 13.7%

GIA | 3.5ct | Round | L | VS2 | Ideal

From $24,497

Compare at $28,372

2 stores
GIA | 3.5ct | Round | D | SI1 | Excellent
Save 11.3%

GIA | 3.5ct | Round | D | SI1 | Excellent

From $65,110

Compare at $73,364

2 stores
Save 13.6%

GIA | 3.5ct | Round | J | SI2 | Excellent

From $34,569

Compare at $40,018

2 stores
GIA | 3.5ct | Round | E | VS1 | Excellent
Save 13.8%

GIA | 3.5ct | Round | E | VS1 | Excellent

From $82,432

Compare at $95,680

2 stores
GIA | 3.5ct | Round | H | VVS2 | Ideal
Save 11.5%

GIA | 3.5ct | Round | H | VVS2 | Ideal

From $32,190

Compare at $36,359

2 stores
GIA | 3.5ct | Round | K | VS1 | Ideal

GIA | 3.5ct | Round | K | VS1 | Ideal

From $29,231

Compare at $32,047

2 stores
GIA | 3.5ct | Round | I | SI2 | Excellent
Save 38.2%

GIA | 3.5ct | Round | I | SI2 | Excellent

From $27,010

Compare at $43,680

2 stores
GIA | 3.5ct | Round | F | VS1 | Excellent
Save 41.8%

GIA | 3.5ct | Round | F | VS1 | Excellent

From $78,367

Compare at $134,598

2 stores
GIA | 3.5ct | Round | I | SI1 | Excellent
Save 14.6%

GIA | 3.5ct | Round | I | SI1 | Excellent

From $39,445

Compare at $46,174

2 stores
GIA | 3.5ct | Round | G | VS1 | Excellent

GIA | 3.5ct | Round | G | VS1 | Excellent

From $64,075

Compare at $69,153

2 stores
GIA | 3.5ct | Round | H | VS2 | Ideal
Save 14.5%

GIA | 3.5ct | Round | H | VS2 | Ideal

From $52,124

Compare at $60,993

2 stores
GIA | 3.5ct | Round | H | SI1 | Ideal
Save 38.4%

GIA | 3.5ct | Round | H | SI1 | Ideal

From $45,907

Compare at $74,583

4 stores
GIA | 3.5ct | Round | K | SI1 | Ideal
Save 37.1%

GIA | 3.5ct | Round | K | SI1 | Ideal

From $23,765

Compare at $37,792

4 stores
GIA | 3.5ct | Round | D | VS1 | Ideal
Save 38.4%

GIA | 3.5ct | Round | D | VS1 | Ideal

From $64,390

Compare at $104,468

4 stores
GIA | 3.5ct | Round | G | VS1 | Excellent

GIA | 3.5ct | Round | G | VS1 | Excellent

From $67,818

Compare at $73,075

4 stores
GIA | 3.5ct | Round | E | VS1 | Excellent
Save 29.3%

GIA | 3.5ct | Round | E | VS1 | Excellent

From $62,751

Compare at $88,804

5 stores
GIA | 3.5ct | Round | F | VVS2 | Excellent
Save 11.3%

GIA | 3.5ct | Round | F | VVS2 | Excellent

From $86,079

Compare at $97,033

2 stores
GIA | 3.5ct | Round | I | SI1 | Excellent
Save 16.7%

GIA | 3.5ct | Round | I | SI1 | Excellent

From $46,166

Compare at $55,394

4 stores
GIA | 3.5ct | Round | E | VVS2 | Excellent

GIA | 3.5ct | Round | E | VVS2 | Excellent

From $88,046

Compare at $95,073

3 stores
GIA | 3.5ct | Round | I | SI1 | Excellent
Save 16.2%

GIA | 3.5ct | Round | I | SI1 | Excellent

From $32,075

Compare at $38,270

4 stores
GIA | 3.5ct | Round | L | SI1 | Ideal
Save 14%

GIA | 3.5ct | Round | L | SI1 | Ideal

From $21,724

Compare at $25,263

3 stores
GIA | 3.5ct | Round | J | SI2 | Excellent
Save 16.2%

GIA | 3.5ct | Round | J | SI2 | Excellent

From $37,341

Compare at $44,574

2 stores
GIA | 3.5ct | Round | K | SI2 | Excellent
Save 18.2%

GIA | 3.5ct | Round | K | SI2 | Excellent

From $19,568

Compare at $23,918

3 stores
Save 14.3%

GIA | 3.5ct | Round | J | SI2 | Excellent

From $37,106

Compare at $43,301

2 stores
GIA | 3.5ct | Round | G | SI2 | Excellent
Save 14.1%

GIA | 3.5ct | Round | G | SI2 | Excellent

From $43,015

Compare at $50,051

4 stores
GIA | 3.5ct | Round | D | SI1 | Excellent
Save 37.1%

GIA | 3.5ct | Round | D | SI1 | Excellent

From $37,654

Compare at $59,878

3 stores
GIA | 3.5ct | Round | K | SI2 | Excellent
Save 29%

GIA | 3.5ct | Round | K | SI2 | Excellent

From $26,889

Compare at $37,877

3 stores
GIA | 3.5ct | Round | K | VS2 | Excellent

GIA | 3.5ct | Round | K | VS2 | Excellent

From $24,640

Compare at $26,241

2 stores
GIA | 3.5ct | Round | L | VS1 | Excellent
Save 18.2%

GIA | 3.5ct | Round | L | VS1 | Excellent

From $22,213

Compare at $27,149

3 stores
GIA | 3.5ct | Round | H | SI1 | Excellent
Save 16.6%

GIA | 3.5ct | Round | H | SI1 | Excellent

From $43,350

Compare at $52,007

3 stores
Save 12.9%

GIA | 3.5ct | Round | L | VS1 | Excellent

From $27,939

Compare at $32,069

2 stores
GIA | 3.5ct | Round | E | SI1 | Excellent
Save 38.4%

GIA | 3.5ct | Round | E | SI1 | Excellent

From $56,697

Compare at $92,111

4 stores
GIA | 3.5ct | Round | I | SI2 | Excellent
Save 13.7%

GIA | 3.5ct | Round | I | SI2 | Excellent

From $31,634

Compare at $36,639

3 stores
GIA | 3.5ct | Round | H | VVS1 | Ideal
Save 14.1%

GIA | 3.5ct | Round | H | VVS1 | Ideal

From $58,471

Compare at $68,037

4 stores
GIA | 3.5ct | Round | I | SI2 | Ideal
Save 16.2%

GIA | 3.5ct | Round | I | SI2 | Ideal

From $32,232

Compare at $38,458

2 stores
GIA | 3.5ct | Round | I | VS2 | Excellent
Save 25.2%

GIA | 3.5ct | Round | I | VS2 | Excellent

From $40,221

Compare at $53,760

4 stores
GIA | 3.5ct | Round | I | VS1 | Excellent

GIA | 3.5ct | Round | I | VS1 | Excellent

From $49,216

Compare at $54,419

4 stores
GIA | 3.5ct | Round | K | VVS2 | Ideal
Save 13.7%

GIA | 3.5ct | Round | K | VVS2 | Ideal

From $35,427

Compare at $41,033

5 stores

Entry pricing in this category starts around $1,595.

What to Know When Shopping for 3.5 Carat Round Natural Diamonds

  1. Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $150,946 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 $45,420 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. 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 298 comparable stones in this segment. Prices start around $1,595 and go up to $152,541.

Based on the latest market data, the average asking price is about $49,798 with a median around $45,420.

The observed spread is roughly $150,946 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 $45,420, 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 7 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 $150,946 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 Natural inventory for 3.5 carat Round diamonds.