4 Carat Round Lab Grown Diamond Prices Comparison
As of April 2026, 4 carat round lab grown diamonds usually range from $550 to $23,450, with an average price of $3,318.In the last month, prices for these diamonds are down 1.4%.Compare 9,664 verified listings across 13 retailers tracked by CaratRadar.
4 Carat Round Lab Grown Diamond Market Overview
CaratRadar currently tracks 9,664 verified 4-carat round lab grown diamonds listed across 13 online retailers. Prices in this segment range from $550 to $23,450, with an average asking price of $3,318 and a median of $2,477.
The price spread of $22,900 (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.
9,664 diamonds tracked in this segment
Price range: $550 to $23,450
Average price: $3,318
Median price: $2,477
Available across 13 retailers
Savings potential: up to 97.7%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
9,664
$550
$3,318
$2,477
$23,450
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 78.5%GCAL | 4ct | Round | F | VVS2 | Excellent
From $1,741
Compare at $8,080
Save 74.6%GCAL | 4ct | Round | E | VVS1 | Excellent
From $4,440
Compare at $17,480
Save 77.6%GCAL | 4ct | Round | G | VS1 | Excellent
From $1,649
Compare at $7,370
Save 78.5%GCAL | 4ct | Round | F | VVS2 | Excellent
From $1,741
Compare at $8,080
Save 78.5%GCAL | 4ct | Round | F | VVS2 | Excellent
From $1,741
Compare at $8,080
Save 78.5%GCAL | 4ct | Round | F | VS1 | Excellent
From $1,730
Compare at $8,040
Save 77.7%GCAL | 4ct | Round | F | VS2 | Excellent
From $1,703
Compare at $7,640
Save 77.7%GCAL | 4ct | Round | F | VS2 | Excellent
From $1,703
Compare at $7,640
Save 59.3%GIA | 4ct | Round | E | VVS2 | Excellent
From $3,394
Compare at $8,339
GIA | 4ct | Round | D | FL | Ideal
From $33,130
Compare at $35,834
Save 75.9%GIA | 4ct | Round | D | VVS1 | Excellent
From $5,225
Compare at $21,640
Save 61.7%GIA | 4ct | Round | D | VVS1 | Excellent
From $6,039
Compare at $15,773
Save 77.1%GIA | 4ct | Round | D | IF | Excellent
From $10,247
Compare at $44,670
Save 63.2%GIA | 4ct | Round | E | VVS1 | Excellent
From $4,904
Compare at $13,340
Save 67.7%GIA | 4ct | Round | E | VVS1 | Excellent
From $4,400
Compare at $13,620
Save 50.5%GIA | 4ct | Round | D | FL | Excellent
From $13,588
Compare at $27,456
Save 66.8%GIA | 4ct | Round | D | VVS1 | Excellent
From $8,095
Compare at $24,380
Save 53.8%GIA | 4ct | Round | D | VVS2 | Excellent
From $3,326
Compare at $7,197
Save 45.3%GIA | 4ct | Round | E | VS1 | Excellent
From $3,413
Compare at $6,237
Save 75.1%GIA | 4ct | Round | D | VVS1 | Excellent
From $7,312
Compare at $29,310
Save 73.9%GIA | 4ct | Round | D | IF | Excellent
From $15,440
Compare at $59,130
Save 75.3%GIA | 4ct | Round | D | VVS1 | Excellent
From $5,795
Compare at $23,450
Save 66.8%GIA | 4ct | Round | D | VVS1 | Excellent
From $8,095
Compare at $24,380
Save 76.3%GIA | 4ct | Round | D | IF | Excellent
From $13,994
Compare at $59,130
Save 52.1%GIA | 4ct | Round | E | VS1 | Very Good
From $2,119
Compare at $4,424
Save 64.9%GIA | 4ct | Round | D | VVS1 | Excellent
From $5,531
Compare at $15,773
Save 76.2%GIA | 4ct | Round | D | VVS1 | Excellent
From $5,225
Compare at $21,990
Save 58.1%GIA | 4ct | Round | D | VVS2 | Excellent
From $8,520
Compare at $20,330
Save 75.1%GIA | 4ct | Round | D | VVS1 | Excellent
From $7,312
Compare at $29,310
Save 66.8%GIA | 4ct | Round | D | VVS1 | Excellent
From $8,095
Compare at $24,380
Save 64.9%GIA | 4ct | Round | D | VVS1 | Excellent
From $5,531
Compare at $15,773
Save 66.8%GIA | 4ct | Round | D | VVS1 | Ideal
From $8,095
Compare at $24,380
Save 37%GIA | 4ct | Round | D | FL | Excellent
From $11,784
Compare at $18,697
Save 75.1%GIA | 4ct | Round | D | VVS1 | Excellent
From $7,312
Compare at $29,310
Save 73.9%GIA | 4ct | Round | D | IF | Excellent
From $15,440
Compare at $59,130
Save 45.7%GIA | 4ct | Round | D | VS1 | Excellent
From $3,179
Compare at $5,853
Save 75.3%GIA | 4ct | Round | D | VVS1 | Excellent
From $5,795
Compare at $23,450
GIA | 4ct | Round | D | FL | Ideal
From $33,130
Compare at $35,834
Save 76.2%GIA | 4ct | Round | D | VVS1 | Ideal
From $5,225
Compare at $21,990
Save 76.2%GIA | 4ct | Round | D | VVS1 | Excellent
From $5,225
Compare at $21,990
Save 73.4%GIA | 4ct | Round | D | VVS2 | Excellent
From $3,505
Compare at $13,170
GIA | 4ct | Round | D | VVS1 | Ideal
From $8,095
Save 50%GIA | 4ct | Round | E | VVS2 | Excellent
From $3,444
Compare at $6,884
GIA | 4ct | Round | E | VVS1 | Excellent
From $13,290
Save 72.5%GIA | 4ct | Round | D | VVS2 | Excellent
From $3,625
Compare at $13,170
GIA | 4ct | Round | D | FL | Ideal
From $33,130
Compare at $35,834
Save 38.6%IGI | 4ct | Round | H | VVS2 | Very Good
From $1,600
Compare at $2,607
Save 75.2%IGI | 4ct | Round | D | VS1 | Ideal
From $2,813
Compare at $11,330
Save 57.7%IGI | 4ct | Round | H | VS1 | Ideal
From $2,018
Compare at $4,770
Save 59.5%IGI | 4ct | Round | H | VVS2 | Ideal
From $1,873
Compare at $4,620
Entry pricing in this category starts around $550.
What to Know When Shopping for 4 Carat Round Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $22,900 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 $2,477 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 9,664 comparable stones in this segment. Prices start around $550 and go up to $23,450.
Based on the latest market data, the average asking price is about $3,318 with a median around $2,477.
The observed spread is roughly $22,900 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 $2,477, 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 13 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 $22,900 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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