5.5 Carat Round Lab Grown Diamond Prices Comparison
As of April 2026, 5.5 carat round lab grown diamonds usually range from $905 to $38,804, with an average price of $4,578.In the last month, prices for these diamonds are down 1.7%.Compare 1,356 verified listings across 9 retailers tracked by CaratRadar.
5.5 Carat Round Lab Grown Diamond Market Overview
CaratRadar currently tracks 1,356 verified 5.5-carat round lab grown diamonds listed across 9 online retailers. Prices in this segment range from $905 to $38,804, with an average asking price of $4,578 and a median of $3,274.
The price spread of $37,899 (97.7% 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.
1,356 diamonds tracked in this segment
Price range: $905 to $38,804
Average price: $4,578
Median price: $3,274
Available across 9 retailers
Savings potential: up to 97.7%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
1,356
$905
$4,578
$3,275
$38,804
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 72%GIA | 5.5ct | Round | E | IF | Excellent
From $22,088
Compare at $78,820
Save 78.3%GIA | 5.5ct | Round | E | VVS1 | Excellent
From $10,590
Compare at $48,910
Save 16.2%GIA | 5.5ct | Round | D | FL | Ideal
From $51,760
Compare at $61,801
Save 31.3%GIA | 5.5ct | Round | D | VS2 | Ideal
From $9,867
Compare at $14,370
Save 80.4%GIA | 5.5ct | Round | D | VVS1 | Excellent
From $11,966
Compare at $61,120
Save 73.6%IGI | 5.5ct | Round | E | VS1 | Ideal
From $4,590
Compare at $17,410
Save 67%IGI | 5.5ct | Round | H | VS1 | Ideal
From $1,880
Compare at $5,700
Save 53%IGI | 5.5ct | Round | G | VS2 | Excellent
From $1,851
Compare at $3,936
Save 40.1%IGI | 5.5ct | Round | H | VS1 | Ideal
From $1,986
Compare at $3,314
Save 42.1%IGI | 5.5ct | Round | H | VS2 | Ideal
From $1,849
Compare at $3,191
Save 76.7%IGI | 5.5ct | Round | E | VVS1 | Ideal
From $7,257
Compare at $31,210
Save 75.4%IGI | 5.5ct | Round | D | VS1 | Ideal
From $3,167
Compare at $12,880
Save 83.8%IGI | 5.5ct | Round | G | VS1 | Ideal
From $1,602
Compare at $9,920
Save 20.9%IGI | 5.5ct | Round | F | VS2 | Ideal
From $45,790
Compare at $57,922
Save 81.9%IGI | 5.5ct | Round | F | VS2 | Ideal
From $1,827
Compare at $10,120
Save 64.8%IGI | 5.5ct | Round | E | VS1 | Ideal
From $1,539
Compare at $4,375
Save 84.4%IGI | 5.5ct | Round | F | VS2 | Ideal
From $1,827
Compare at $11,730
Save 76.8%IGI | 5.5ct | Round | G | VVS2 | Ideal
From $1,586
Compare at $6,840
Save 57.2%IGI | 5.5ct | Round | G | VVS2 | Excellent
From $1,443
Compare at $3,371
Save 57.2%IGI | 5.5ct | Round | F | VS1 | Excellent
From $1,443
Compare at $3,371
Save 84.4%IGI | 5.5ct | Round | F | VS2 | Ideal
From $1,827
Compare at $11,730
Save 81%IGI | 5.5ct | Round | G | VS1 | Ideal
From $1,411
Compare at $7,430
Save 50.2%IGI | 5.5ct | Round | E | VS1 | Excellent
From $1,976
Compare at $3,965
Save 76.7%IGI | 5.5ct | Round | E | VVS2 | Ideal
From $1,841
Compare at $7,910
Save 86.3%IGI | 5.5ct | Round | F | VS2 | Ideal
From $1,602
Compare at $11,700
Save 87.6%IGI | 5.5ct | Round | E | VS1 | Ideal
From $1,761
Compare at $14,210
Save 77.5%IGI | 5.5ct | Round | G | VVS2 | Excellent
From $2,210
Compare at $9,830
Save 76.7%IGI | 5.5ct | Round | D | VVS1 | Ideal
From $7,427
Compare at $31,940
Save 42.4%IGI | 5.5ct | Round | F | VVS2 | Ideal
From $1,960
Compare at $3,401
Save 72.2%IGI | 5.5ct | Round | E | VVS2 | Ideal
From $2,336
Compare at $8,390
Save 83.6%IGI | 5.5ct | Round | G | VVS2 | Ideal
From $2,110
Compare at $12,850
Save 57.9%IGI | 5.5ct | Round | G | VS1 | Ideal
From $2,915
Compare at $6,920
Save 75.4%IGI | 5.5ct | Round | D | VS1 | Ideal
From $3,340
Compare at $13,600
Save 87.4%IGI | 5.5ct | Round | E | VS1 | Excellent
From $1,790
Compare at $14,210
Save 78.4%IGI | 5.5ct | Round | F | VVS2 | Ideal
From $1,634
Compare at $7,570
Save 76.7%IGI | 5.5ct | Round | E | VVS2 | Excellent
From $1,759
Compare at $7,560
Save 85.5%IGI | 5.5ct | Round | D | VS2 | Ideal
From $2,097
Compare at $14,480
Save 33.9%IGI | 5.5ct | Round | F | VVS2 | Excellent
From $1,526
Compare at $2,308
Save 42%IGI | 5.5ct | Round | E | VS1 | Ideal
From $2,203
Compare at $3,796
Save 54%IGI | 5.5ct | Round | E | VS1 | Ideal
From $1,555
Compare at $3,381
Save 33.9%IGI | 5.5ct | Round | F | VVS2 | Ideal
From $1,526
Compare at $2,308
Save 82.7%IGI | 5.5ct | Round | E | VS1 | Ideal
From $1,180
Compare at $6,840
Save 57.6%IGI | 5.5ct | Round | D | VVS2 | Ideal
From $6,529
Compare at $15,390
Save 64.1%IGI | 5.5ct | Round | E | VVS2 | Ideal
From $1,648
Compare at $4,587
Save 78.5%IGI | 5.5ct | Round | F | VVS2 | Ideal
From $1,747
Compare at $8,130
Save 54.1%IGI | 5.5ct | Round | E | VS1 | Ideal
From $1,523
Compare at $3,314
Save 76.7%IGI | 5.5ct | Round | F | VVS2 | Excellent
From $1,728
Compare at $7,430
Save 51%IGI | 5.5ct | Round | E | VS1 | Ideal
From $1,876
Compare at $3,830
Save 81.2%IGI | 5.5ct | Round | F | VS1 | Ideal
From $1,477
Compare at $7,850
Save 33.9%IGI | 5.5ct | Round | F | VVS2 | Excellent
From $1,526
Compare at $2,308
Entry pricing in this category starts around $905.
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 $37,899 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 $3,274 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 1,356 comparable stones in this segment. Prices start around $905 and go up to $38,804.
Based on the latest market data, the average asking price is about $4,578 with a median around $3,274.
The observed spread is roughly $37,899 across tracked listings, which is about 97.7% 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 $3,274, 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 9 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 $37,899 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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