3 Carat Radiant Lab Grown Diamond Prices Comparison
As of April 2026, 3 carat radiant lab grown diamonds usually range from $505 to $12,500, with an average price of $2,287.In the last month, prices for these diamonds are up 0.4%.Compare 15,567 verified listings across 12 retailers tracked by CaratRadar.
3 Carat Radiant Lab Grown Diamond Market Overview
CaratRadar currently tracks 15,567 verified 3-carat radiant lab grown diamonds listed across 12 online retailers. Prices in this segment range from $505 to $12,500, with an average asking price of $2,287 and a median of $1,756.
The price spread of $11,995 (96.0% 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.
15,567 diamonds tracked in this segment
Price range: $505 to $12,500
Average price: $2,287
Median price: $1,756
Available across 12 retailers
Savings potential: up to 96.0%
Price Range Overview
As of Apr 13, 2026Real market range for this carat, shape, and diamond type.
15,567
$505
$2,287
$1,756
$12,500
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 77%GCAL | 3ct | Radiant | D | VS1 | Excellent
From $1,534
Compare at $6,660
Save 65.7%GIA | 3ct | Radiant | E | VS1 | Excellent
From $2,203
Compare at $6,430
Save 44.3%GIA | 3ct | Radiant | E | VS1 | Excellent
From $1,953
Compare at $3,506
Save 72.5%GIA | 3ct | Radiant | D | VVS1 | Excellent
From $3,269
Compare at $11,890
Save 73%GIA | 3ct | Radiant | G | VS1 | Excellent
From $1,393
Compare at $5,170
Save 14.8%GIA | 3ct | Radiant | D | FL | Ideal
From $17,400
Compare at $20,413
Save 37.3%GIA | 3ct | Radiant | D | VVS1 | Ideal
From $6,335
Compare at $10,110
GIA | 3ct | Radiant | D | FL | Ideal
From $18,520
Compare at $20,413
Save 47.9%GIA | 3ct | Radiant | E | VVS2 | Good
From $5,370
Compare at $10,310
Save 71.7%GIA | 3ct | Radiant | D | VVS2 | Excellent
From $2,881
Compare at $10,170
Save 78.2%GIA | 3ct | Radiant | F | VS1 | Excellent
From $2,235
Compare at $10,240
Save 14.8%GIA | 3ct | Radiant | D | FL | Ideal
From $17,400
Compare at $20,413
Save 58.2%GIA | 3ct | Radiant | D | VVS2 | Ideal
From $4,155
Compare at $9,930
Save 78.2%GIA | 3ct | Radiant | D | VS1 | Excellent
From $2,195
Compare at $10,060
Save 51.9%GIA | 3ct | Radiant | D | VVS1 | Excellent
From $6,335
Compare at $13,180
Save 61.5%GIA | 3ct | Radiant | D | IF | Ideal
From $10,460
Compare at $27,140
Save 35.5%IGI | 3ct | Radiant | J | SI1 | Ideal
From $7,740
Compare at $12,005
IGI | 3ct | Radiant | K | SI1 | Ideal
From $6,584
Compare at $6,585
Save 57.3%IGI | 3ct | Radiant | H | VS2 | Very Good
From $1,649
Compare at $3,860
Save 39.7%IGI | 3ct | Radiant | H | SI1 | Ideal
From $10,350
Compare at $17,160
Save 61.4%IGI | 3ct | Radiant | H | VS1 | Ideal
From $1,642
Compare at $4,250
IGI | 3ct | Radiant | H | VS1 | Ideal
From $1,630
Compare at $1,642
Save 37.8%IGI | 3ct | Radiant | H | VS1 | Ideal
From $1,642
Compare at $2,640
Save 79%IGI | 3ct | Radiant | G | VS1 | Ideal
From $1,070
Compare at $5,100
Save 82.6%IGI | 3ct | Radiant | G | VS2 | Ideal
From $821
Compare at $4,710
Save 73.2%IGI | 3ct | Radiant | F | SI1 | Very Good
From $921
Compare at $3,440
Save 21.2%IGI | 3ct | Radiant | F | VS2 | Very Good
From $1,573
Compare at $1,996
IGI | 3ct | Radiant | D | VS1 | Ideal
From $2,038
Compare at $2,040
Save 36.4%IGI | 3ct | Radiant | H | VS1 | Very Good
From $955
Compare at $1,501
Save 74.3%IGI | 3ct | Radiant | E | IF | Good
From $4,212
Compare at $16,400
IGI | 3ct | Radiant | G | VS1 | Ideal
From $1,558
Compare at $1,560
IGI | 3ct | Radiant | D | VS1 | Excellent
From $2,038
Compare at $2,040
Save 57.4%IGI | 3ct | Radiant | G | VS1 | Very Good
From $1,000
Compare at $2,346
Save 79.8%IGI | 3ct | Radiant | D | VS1 | Ideal
From $1,391
Compare at $6,890
Save 72.4%IGI | 3ct | Radiant | E | IF | Very Good
From $4,083
Compare at $14,800
Save 57.3%IGI | 3ct | Radiant | D | VS1 | Very Good
From $1,255
Compare at $2,940
Save 27.4%IGI | 3ct | Radiant | D | VVS2 | Ideal
From $1,578
Compare at $2,173
Save 75.6%IGI | 3ct | Radiant | G | VS1 | Ideal
From $1,309
Compare at $5,360
Save 63.3%IGI | 3ct | Radiant | E | VS2 | Ideal
From $1,275
Compare at $3,470
Save 67.7%IGI | 3ct | Radiant | F | VS1 | Ideal
From $1,921
Compare at $5,950
Save 29%IGI | 3ct | Radiant | D | VS1 | Ideal
From $1,401
Compare at $1,973
Save 75.6%IGI | 3ct | Radiant | G | VS2 | Good
From $1,309
Compare at $5,360
Save 70.4%IGI | 3ct | Radiant | D | VVS1 | Ideal
From $3,693
Compare at $12,460
Save 72.4%IGI | 3ct | Radiant | D | IF | Ideal
From $3,617
Compare at $13,090
Save 36.8%IGI | 3ct | Radiant | D | IF | Ideal
From $3,321
Compare at $5,258
Save 26%IGI | 3ct | Radiant | D | VVS2 | Ideal
From $2,798
Compare at $3,780
Save 62.3%IGI | 3ct | Radiant | F | VS1 | Good
From $1,886
Compare at $5,003
Save 19.1%IGI | 3ct | Radiant | E | SI1 | Ideal
From $832
Compare at $1,028
Save 68.8%IGI | 3ct | Radiant | E | VS1 | Ideal
From $1,998
Compare at $6,400
Save 71.5%IGI | 3ct | Radiant | D | IF | Very Good
From $3,584
Compare at $12,590
Entry pricing in this category starts around $505.
What to Know When Shopping for 3 Carat Radiant Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $11,995 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 $1,756 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.
- Radiant cuts combine the elegance of emerald shapes with the brilliance of round cuts, offering good value per carat.
Frequently Asked Questions
We currently track 15,567 comparable stones in this segment. Prices start around $505 and go up to $12,500.
Based on the latest market data, the average asking price is about $2,287 with a median around $1,756.
The observed spread is roughly $11,995 across tracked listings, which is about 96.0% 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 $1,756, 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 12 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 $11,995 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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