5.5 Carat Round Natural Diamond Prices Comparison
As of July 2026, 5.5 carat round natural diamonds usually range from $3,542 to $413,713, with an average price of $127,553.In the last month, prices for these diamonds are down 0.3%.Compare 46 verified listings across 8 retailers tracked by CaratRadar.
5.5 Carat Round Natural Diamond Market Overview
CaratRadar currently tracks 46 verified 5.5-carat round natural diamonds listed across 8 online retailers. Prices in this segment range from $3,542 to $413,713, with an average asking price of $127,553 and a median of $108,876.
The price spread of $410,171 (99.1% 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.
46 diamonds tracked in this segment
Price range: $3,542 to $413,713
Average price: $127,553
Median price: $108,876
Available across 8 retailers
Savings potential: up to 99.1%
Price Range Overview
As of Jul 11, 2026Real market range for this carat, shape, and diamond type.
46
$3,542
$127,553
$108,876
$413,713
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
Save 32.1%GIA | 5.5ct | Round | L | SI2 | Excellent
From $41,814
Compare at $61,558
IGI | 5.51ct | Round | J | VS2 | Excellent
From $44,773
Compare at $44,775
Save 35%GIA | 5.59ct | Round | K | SI1 | Excellent
From $51,088
Compare at $78,561
Save 32.9%GIA | 5.52ct | Round | L | VS2 | Excellent
From $53,570
Compare at $79,801
GIA | 5.53ct | Round | K | SI1 | Excellent
From $55,543
Compare at $57,476
Save 27.4%GIA | 5.56ct | Round | J | SI2 | Ideal
From $57,729
Compare at $79,562
Save 29%GIA | 5.53ct | Round | L | VVS1 | Excellent
From $61,241
Compare at $86,280
GIA | 5.57ct | Round | L | SI1 | Excellent
From $62,409
Compare at $67,179
Save 11.7%GIA | 5.53ct | Round | J | SI2 | Ideal
From $69,150
Compare at $78,340
GIA | 5.5ct | Round | K | SI1 | Excellent
From $70,538
Compare at $74,324
IGI | 5.52ct | Round | G | SI2 | Ideal
From $72,772
Compare at $74,980
GIA | 5.5ct | Round | J | SI1 | Excellent
From $75,826
Compare at $81,564
GIA | 5.5ct | Round | I | SI1 | Ideal
From $76,737
Compare at $77,394
GIA | 5.53ct | Round | J | SI1 | Excellent
From $76,805
Compare at $79,431
Save 12.5%GIA | 5.51ct | Round | J | SI1 | Ideal
From $77,547
Compare at $88,611
Save 20.3%GIA | 5.53ct | Round | J | VS2 | Excellent
From $78,801
Compare at $98,877
GIA | 5.52ct | Round | K | VS1 | Excellent
From $80,984
Compare at $87,188
GIA | 5.53ct | Round | J | VS2 | Excellent
From $82,235
Compare at $82,939
Save 31.4%GIA | 5.5ct | Round | J | VS2 | Excellent
From $87,446
Compare at $127,419
Save 10.1%GIA | 5.51ct | Round | H | SI2 | Excellent
From $87,453
Compare at $97,306
GIA | 5.5ct | Round | F | SI2 | Excellent
From $90,090
Compare at $90,860
GIA | 5.58ct | Round | I | SI1 | Excellent
From $92,895
Compare at $95,277
GIA | 5.5ct | Round | J | VVS2 | Ideal
From $98,210
Compare at $108,750
GIA | 5.51ct | Round | E | SI2 | Excellent
From $99,770
Compare at $104,598
Save 13%GIA | 5.53ct | Round | H | SI2 | Excellent
From $99,818
Compare at $114,678
Save 36.5%GIA | 5.51ct | Round | J | VVS2 | Excellent
From $99,922
Compare at $157,366
Save 31.4%GIA | 5.5ct | Round | I | VS2 | Ideal
From $100,803
Compare at $146,858
GIA | 5.52ct | Round | I | SI2 | Excellent
From $107,557
Compare at $113,345
Save 15.5%GIA | 5.55ct | Round | E | SI1 | Excellent
From $114,578
Compare at $135,637
GIA | 5.5ct | Round | G | SI1 | Ideal
From $121,493
Compare at $122,531
GIA | 5.52ct | Round | H | VS2 | Ideal
From $130,137
Compare at $131,249
GIA | 5.58ct | Round | G | VS2 | Excellent
From $138,052
Compare at $145,241
GIA | 5.53ct | Round | G | VS1 | Excellent
From $139,884
Compare at $141,080
Save 27.5%GIA | 5.53ct | Round | H | VVS1 | Excellent
From $151,079
Compare at $208,430
Save 28.1%GIA | 5.5ct | Round | H | VVS2 | Excellent
From $156,460
Compare at $217,707
Save 16.5%GIA | 5.52ct | Round | G | VS1 | Excellent
From $165,829
Compare at $198,667
Save 16.8%GIA | 5.51ct | Round | G | VS2 | Excellent
From $184,147
Compare at $221,425
Save 35.1%GIA | 5.52ct | Round | E | VS1 | Excellent
From $184,934
Compare at $284,849
GIA | 5.5ct | Round | G | VS2 | Excellent
From $186,140
Compare at $203,346
GIA | 5.54ct | Round | D | VS2 | Excellent
From $189,274
Compare at $192,702
Save 30.7%GIA | 5.5ct | Round | E | VS1 | Excellent
From $203,375
Compare at $293,341
Save 15.3%GIA | 5.52ct | Round | D | VVS2 | Excellent
From $217,601
Compare at $256,906
GIA | 5.51ct | Round | F | VS2 | Excellent
From $242,082
Compare at $242,085
Save 34.3%GIA | 5.56ct | Round | D | VVS1 | Excellent
From $270,736
Compare at $412,178
Save 27.7%GIA | 5.51ct | Round | E | VVS1 | Excellent
From $298,530
Compare at $412,790
Save 36.4%GIA | 5.51ct | Round | D | FL | Ideal
From $304,795
Compare at $478,894
Entry pricing in this category starts around $3,542.
What to Know When Shopping for 5.5 Carat Round Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $410,171 or more.
- 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.
- The median price of $108,876 is a useful benchmark. If you see a deal significantly below this, verify the retailer's reputation and return policy.
- 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.
- Compare natural vs. lab-grown options for the same carat and shape. Lab-grown diamonds are chemically identical but often 30-50% less expensive.
- Check shipping, insurance, and return policies. The lowest sticker price is not always the best deal once you factor in total cost of purchase.
- 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 46 comparable stones in this segment. Prices start around $3,542 and go up to $413,713.
Based on the latest market data, the average asking price is about $127,553 with a median around $108,876.
The observed spread is roughly $410,171 across tracked listings, which is about 99.1% from highest to lowest offer in this bucket.
We refresh pricing data daily so these pages stay current with market changes.
Based on completed market data, the fair market benchmark is $127,553. The median price is $108,876, 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 8 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 $410,171 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.