5.5 Carat Round Lab Grown Diamond Prices Comparison
As of May 2026, 5.5 carat round lab grown diamonds usually range from $863 to $32,868, with an average price of $4,173.In the last month, prices for these diamonds are down 4.7%.Compare 897 verified listings across 8 retailers tracked by CaratRadar.
5.5 Carat Round Lab Grown Diamond Market Overview
CaratRadar currently tracks 897 verified 5.5-carat round lab grown diamonds listed across 8 online retailers. Prices in this segment range from $863 to $32,868, with an average asking price of $4,173 and a median of $3,015.
The price spread of $32,005 (97.4% 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.
897 diamonds tracked in this segment
Price range: $863 to $32,868
Average price: $4,173
Median price: $3,015
Available across 8 retailers
Savings potential: up to 97.4%
Price Range Overview
As of May 29, 2026Real market range for this carat, shape, and diamond type.
897
$863
$4,173
$3,015
$32,868
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 79.6%IGI | 5.52ct | Round | G | SI1 | Ideal
From $863
Compare at $4,230
Save 79.5%IGI | 5.5ct | Round | H | VS2 | Ideal
From $921
Compare at $4,490
Save 69.6%IGI | 5.5ct | Round | G | VVS2 | Excellent
From $980
Compare at $3,220
Save 64.7%IGI | 5.53ct | Round | F | VS2 | Ideal
From $1,000
Compare at $2,835
Save 80%IGI | 5.53ct | Round | F | SI1 | Excellent
From $1,001
Compare at $5,000
Save 66.5%IGI | 5.51ct | Round | E | VS2 | Excellent
From $1,026
Compare at $3,061
Save 60.2%IGI | 5.51ct | Round | H | VS1 | Ideal
From $1,050
Compare at $2,640
Save 73.9%IGI | 5.52ct | Round | E | VS2 | Excellent
From $1,051
Compare at $4,025
Save 79.9%IGI | 5.52ct | Round | G | VS1 | Excellent
From $1,057
Compare at $5,260
Save 72.1%IGI | 5.5ct | Round | F | VVS2 | Ideal
From $1,060
Compare at $3,797
Save 73.5%IGI | 5.5ct | Round | E | VS2 | Excellent
From $1,062
Compare at $4,015
Save 73.5%IGI | 5.5ct | Round | E | VS2 | Excellent
From $1,062
Compare at $4,015
Save 73.5%IGI | 5.5ct | Round | E | VS2 | Excellent
From $1,062
Compare at $4,015
Save 72%IGI | 5.5ct | Round | F | VVS2 | Ideal
From $1,062
Compare at $3,797
Save 73.5%IGI | 5.51ct | Round | E | VS2 | Excellent
From $1,064
Compare at $4,020
Save 73.5%IGI | 5.52ct | Round | E | VS2 | Excellent
From $1,066
Compare at $4,025
Save 73.5%IGI | 5.52ct | Round | E | VS2 | Excellent
From $1,066
Compare at $4,025
Save 73.5%IGI | 5.54ct | Round | E | VS2 | Excellent
From $1,069
Compare at $4,040
Save 61.8%IGI | 5.5ct | Round | F | VS2 | Excellent
From $1,071
Compare at $2,806
Save 63%IGI | 5.5ct | Round | F | VS1 | Excellent
From $1,071
Compare at $2,894
Save 65.2%IGI | 5.5ct | Round | F | VVS2 | Excellent
From $1,072
Compare at $3,078
Save 65.2%IGI | 5.5ct | Round | F | VVS2 | Excellent
From $1,072
Compare at $3,078
Save 63.7%IGI | 5.52ct | Round | E | VS1 | Excellent
From $1,073
Compare at $2,953
Save 65.2%IGI | 5.51ct | Round | F | VVS2 | Excellent
From $1,074
Compare at $3,083
Save 65.2%IGI | 5.51ct | Round | F | VVS2 | Excellent
From $1,074
Compare at $3,083
Save 65.2%IGI | 5.51ct | Round | F | VVS2 | Excellent
From $1,074
Compare at $3,083
Save 75%IGI | 5.51ct | Round | E | VS1 | Excellent
From $1,074
Compare at $4,295
Save 65.2%IGI | 5.52ct | Round | F | VVS2 | Excellent
From $1,075
Compare at $3,089
Save 65.2%IGI | 5.52ct | Round | F | VVS2 | Excellent
From $1,075
Compare at $3,089
Save 73.4%IGI | 5.54ct | Round | E | VS2 | Excellent
From $1,076
Compare at $4,040
Save 65.5%IGI | 5.58ct | Round | F | VVS2 | Excellent
From $1,078
Compare at $3,126
Save 59.6%IGI | 5.53ct | Round | H | VS1 | Ideal
From $1,080
Compare at $2,672
Save 74.9%IGI | 5.51ct | Round | E | VVS2 | Excellent
From $1,080
Compare at $4,295
Save 74.8%IGI | 5.5ct | Round | E | VS1 | Excellent
From $1,080
Compare at $4,290
Save 74.9%IGI | 5.51ct | Round | E | VVS2 | Ideal
From $1,080
Compare at $4,295
Save 75.3%IGI | 5.5ct | Round | F | VS2 | Excellent
From $1,080
Compare at $4,368
Save 59.7%IGI | 5.51ct | Round | G | VS2 | Excellent
From $1,082
Compare at $2,683
Save 62.5%IGI | 5.51ct | Round | G | VS1 | Excellent
From $1,082
Compare at $2,882
Save 74.8%IGI | 5.51ct | Round | E | VS1 | Excellent
From $1,082
Compare at $4,295
Save 73.1%IGI | 5.51ct | Round | E | VS2 | Excellent
From $1,082
Compare at $4,020
Save 47.7%IGI | 5.5ct | Round | E | VS1 | Ideal
From $1,084
Compare at $2,073
Save 74.8%IGI | 5.52ct | Round | E | VS1 | Excellent
From $1,085
Compare at $4,305
Save 55.2%IGI | 5.53ct | Round | E | SI1 | Excellent
From $1,086
Compare at $2,424
Save 74.8%IGI | 5.53ct | Round | E | VS1 | Excellent
From $1,086
Compare at $4,310
Save 73.1%IGI | 5.53ct | Round | E | VS2 | Excellent
From $1,086
Compare at $4,035
Save 74.5%IGI | 5.5ct | Round | E | VS1 | Excellent
From $1,092
Compare at $4,290
Save 75.3%IGI | 5.57ct | Round | E | VS2 | Excellent
From $1,093
Compare at $4,424
Save 74.8%IGI | 5.57ct | Round | E | VVS2 | Excellent
From $1,093
Compare at $4,342
Save 74.5%IGI | 5.51ct | Round | E | VS1 | Excellent
From $1,094
Compare at $4,295
Save 64.6%IGI | 5.53ct | Round | E | VS2 | Excellent
From $1,098
Compare at $3,104
Entry pricing in this category starts around $863.
What to Know When Shopping for 5.5 Carat Round Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $32,005 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 $3,015 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.
- Lab-grown diamonds offer excellent value. Ensure the stone comes with a GIA or IGI certificate confirming it is laboratory-grown.
- 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 897 comparable stones in this segment. Prices start around $863 and go up to $32,868.
Based on the latest market data, the average asking price is about $4,173 with a median around $3,015.
The observed spread is roughly $32,005 across tracked listings, which is about 97.4% 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 $4,173. The median price is $3,015, 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 $32,005 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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