5.5 Carat Round Natural Diamond Prices Comparison

As of February 2026, 5.5 carat round natural diamonds usually range from $1,240 to $283,999, with an average price of $110,199.In the last month, prices for these diamonds are down 1.2%.Compare 33 verified listings across 6 retailers tracked by CaratRadar.

Market Insights
Last updated: 2026-02-28

5.5 Carat Round Natural Diamond Market Overview

CaratRadar currently tracks 33 verified 5.5-carat round natural diamonds listed across 6 online retailers. Prices in this segment range from $1,240 to $283,999, with an average asking price of $110,199 and a median of $88,965.

The price spread of $282,758 (99.6% 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.

  • 33 diamonds tracked in this segment

  • Price range: $1,240 to $283,999

  • Average price: $110,199

  • Median price: $88,965

  • Available across 6 retailers

  • Savings potential: up to 99.6%

Price Range Overview

As of Feb 28, 2026
Spread $282,758

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

$1,240$283,999
Tracked

33

Lowest

$1,240

Average

$110,199

Median

$88,965

Highest

$283,999

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
Save 15.3%

5.49ct | Round | F | VVS1 | Excellent

From $193,663

Compare at $228,525

2 stores
5.5ct | Round | F | SI2 | ExcellentGIA
Save 13.8%

5.5ct | Round | F | SI2 | Excellent

From $88,550

Compare at $102,776

2 stores
5.5ct | Round | H | VVS2 | ExcellentGIA

5.5ct | Round | H | VVS2 | Excellent

From $156,460

Compare at $157,726

2 stores
GIA
Save 15.3%

5.5ct | Round | G | VS2 | Excellent

From $203,346

Compare at $239,948

2 stores
5.5ct | Round | J | SI1 | ExcellentGIA
Save 18.7%

5.5ct | Round | J | SI1 | Excellent

From $80,054

Compare at $98,441

3 stores
5.5ct | Round | I | VVS2 | ExcellentGIA
Save 10.4%

5.5ct | Round | I | VVS2 | Excellent

From $127,512

Compare at $142,283

3 stores
5.5ct | Round | I | SI1 | IdealGIA
Save 13.9%

5.5ct | Round | I | SI1 | Ideal

From $75,426

Compare at $87,553

2 stores
5.5ct | Round | E | VVS2 | ExcellentIGI
Save 28.5%

5.5ct | Round | E | VVS2 | Excellent

From $1,302

Compare at $1,819

2 stores
GIA
Save 18.6%

5.5ct | Round | K | SI1 | Excellent

From $73,054

Compare at $89,710

2 stores
GIA
Save 17.1%

5.51ct | Round | E | SI2 | Excellent

From $104,598

Compare at $126,221

2 stores
5.51ct | Round | J | VVS2 | ExcellentGIA

5.51ct | Round | J | VVS2 | Excellent

From $108,305

Compare at $120,204

2 stores
5.51ct | Round | H | VS1 | IdealGIA

5.51ct | Round | H | VS1 | Ideal

From $145,583

Compare at $147,673

2 stores
5.51ct | Round | F | VVS1 | IdealGIA
Save 37.7%

5.51ct | Round | F | VVS1 | Ideal

From $239,111

Compare at $383,937

3 stores
5.51ct | Round | K | SI1 | ExcellentGIA
Save 41.5%

5.51ct | Round | K | SI1 | Excellent

From $58,580

Compare at $100,127

4 stores
5.51ct | Round | G | VS2 | ExcellentGIA
Save 19.7%

5.51ct | Round | G | VS2 | Excellent

From $190,557

Compare at $237,380

3 stores
5.51ct | Round | J | VVS2 | IdealGIA
Save 19.5%

5.51ct | Round | J | VVS2 | Ideal

From $101,326

Compare at $125,896

2 stores
5.51ct | Round | L | VS2 | ExcellentGIA
Save 12.5%

5.51ct | Round | L | VS2 | Excellent

From $48,803

Compare at $55,798

2 stores
GIA
Save 18.6%

5.51ct | Round | J | SI1 | Excellent

From $88,965

Compare at $109,233

2 stores
GIA
Save 17.1%

5.52ct | Round | I | SI2 | Excellent

From $113,345

Compare at $136,771

2 stores
5.52ct | Round | K | VS2 | ExcellentGIA
Save 36.9%

5.52ct | Round | K | VS2 | Excellent

From $68,912

Compare at $109,250

2 stores
5.52ct | Round | F | VS1 | IdealIGI
Save 70.8%

5.52ct | Round | F | VS1 | Ideal

From $1,272

Compare at $4,360

4 stores
5.52ct | Round | E | VS1 | ExcellentGIA
Save 17.5%

5.52ct | Round | E | VS1 | Excellent

From $191,469

Compare at $232,014

2 stores
5.52ct | Round | K | VS1 | ExcellentGIA
Save 17.1%

5.52ct | Round | K | VS1 | Excellent

From $87,188

Compare at $105,225

3 stores
5.52ct | Round | G | SI2 | ExcellentGIA
Save 13.8%

5.52ct | Round | G | SI2 | Excellent

From $82,524

Compare at $95,787

2 stores
5.53ct | Round | G | VS1 | ExcellentGIA
Save 11.8%

5.53ct | Round | G | VS1 | Excellent

From $137,493

Compare at $155,848

2 stores
5.53ct | Round | F | VVS1 | ExcellentGIA

5.53ct | Round | F | VVS1 | Excellent

From $283,999

Compare at $290,164

2 stores
5.53ct | Round | J | VS2 | ExcellentGIA
Save 14.8%

5.53ct | Round | J | VS2 | Excellent

From $82,150

Compare at $96,467

3 stores
5.53ct | Round | H | VVS1 | ExcellentGIA
Save 15.4%

5.53ct | Round | H | VVS1 | Excellent

From $176,280

Compare at $208,430

5 stores
5.53ct | Round | F | VS2 | ExcellentIGI
Save 69.3%

5.53ct | Round | F | VS2 | Excellent

From $1,240

Compare at $4,035

4 stores
5.53ct | Round | D | VS2 | IdealIGI
Save 74.6%

5.53ct | Round | D | VS2 | Ideal

From $1,419

Compare at $5,585

4 stores
GIA
Save 18.6%

5.53ct | Round | J | SI1 | Excellent

From $79,367

Compare at $97,456

2 stores
5.54ct | Round | K | VVS2 | Very GoodGIA
Save 36.9%

5.54ct | Round | K | VVS2 | Very Good

From $72,117

Compare at $114,306

2 stores
5.54ct | Round | E | VS1 | ExcellentGIA
Save 33.5%

5.54ct | Round | E | VS1 | Excellent

From $172,610

Compare at $259,394

2 stores

Entry pricing in this category starts around $1,240.

What to Know When Shopping for 5.5 Carat Round Natural Diamonds

  1. Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $282,758 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 $88,965 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 33 comparable stones in this segment. Prices start around $1,240 and go up to $283,999.

Based on the latest market data, the average asking price is about $110,199 with a median around $88,965.

The observed spread is roughly $282,758 across tracked listings, which is about 99.6% 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 $88,965, 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 $282,758 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.

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Tracking Natural inventory for 5.5 carat Round diamonds.