3.5 Carat Heart Lab Grown Diamond Prices Comparison
As of February 2026, 3.5 carat heart lab grown diamonds usually range from $714 to $28,678, with an average price of $1,931.In the last month, prices for these diamonds are down 3.3%.Compare 258 verified listings across 9 retailers tracked by CaratRadar.
3.5 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 258 verified 3.5-carat heart lab grown diamonds listed across 9 online retailers. Prices in this segment range from $714 to $28,678, with an average asking price of $1,931 and a median of $1,157.
The price spread of $27,964 (97.5% 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.
258 diamonds tracked in this segment
Price range: $714 to $28,678
Average price: $1,931
Median price: $1,157
Available across 9 retailers
Savings potential: up to 97.5%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
258
$714
$1,931
$1,157
$28,678
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
IGISave 75%3.46ct | Heart | D | VS1 | Excellent
From $1,990
Compare at $7,950
IGISave 85.5%3.46ct | Heart | D | VS1 | Ideal
From $1,156
Compare at $7,950
GIASave 36.1%3.46ct | Heart | F | VS2 | Ideal
From $3,806
Compare at $5,960
IGISave 79.5%3.46ct | Heart | F | VS1 | Ideal
From $918
Compare at $4,470
IGISave 79%3.46ct | Heart | F | VS1 | Ideal
From $888
Compare at $4,220
IGISave 80.6%3.46ct | Heart | E | SI2 | Ideal
From $986
Compare at $5,090
GIASave 48.8%3.47ct | Heart | D | IF | Ideal
From $15,160
Compare at $29,600
IGISave 85.8%3.47ct | Heart | G | VVS2 | Ideal
From $921
Compare at $6,480
IGISave 80.4%3.47ct | Heart | G | VS1 | Ideal
From $1,158
Compare at $5,900
IGISave 63.5%3.47ct | Heart | FANCY | VVS2 | Good
From $1,291
Compare at $3,532
IGISave 88.5%3.47ct | Heart | D | VS1 | Excellent
From $917
Compare at $8,010
IGISave 67.7%3.47ct | Heart | D | VVS1 | Ideal
From $3,656
Compare at $11,320
IGISave 46.3%3.47ct | Heart | F | VS2 | Ideal
From $28,678
Compare at $53,450
IGISave 87.6%3.47ct | Heart | F | VVS1 | Very Good
From $1,049
Compare at $8,460
IGISave 87.3%3.48ct | Heart | E | VVS2 | Good
From $1,128
Compare at $8,900
IGISave 65.5%3.48ct | Heart | G | VS1 | Ideal
From $914
Compare at $2,651
IGISave 84.1%3.48ct | Heart | E | VS2 | Excellent
From $1,047
Compare at $6,570
IGISave 74.8%3.48ct | Heart | H | VS2 | Ideal
From $1,111
Compare at $4,410
GIASave 58.3%3.49ct | Heart | E | IF | Ideal
From $12,430
Compare at $29,840
IGISave 75.4%3.49ct | Heart | E | VS1 | Ideal
From $1,344
Compare at $5,470
IGISave 18.6%3.49ct | Heart | D | VS2 | Very Good
From $921
Compare at $1,132
IGISave 81.2%3.49ct | Heart | F | VS1 | Ideal
From $893
Compare at $4,750
IGISave 85.8%3.49ct | Heart | F | VVS2 | Excellent
From $1,142
Compare at $8,050
IGISave 49.7%3.49ct | Heart | FANCY | VS1 | Very Good
From $1,273
Compare at $2,534
IGISave 51.5%3.49ct | Heart | FANCY | VS1 | Good
From $2,381
Compare at $4,914
IGISave 81.1%3.5ct | Heart | H | VS2 | Ideal
From $844
Compare at $4,470
IGISave 62%3.5ct | Heart | E | VVS2 | Very Good
From $1,060
Compare at $2,790
IGISave 86.2%3.5ct | Heart | E | VVS2 | Ideal
From $1,206
Compare at $8,710
IGISave 72.1%3.5ct | Heart | D | VVS2 | Very Good
From $1,181
Compare at $4,235
IGISave 75.6%3.5ct | Heart | D | VVS2 | Very Good
From $1,343
Compare at $5,500
IGISave 59.6%3.5ct | Heart | D | VS1 | Excellent
From $2,100
Compare at $5,200
IGISave 78.8%3.5ct | Heart | I | VS1 | Ideal
From $893
Compare at $4,210
IGISave 82.7%3.5ct | Heart | G | VS2 | Ideal
From $943
Compare at $5,460
IGISave 85.9%3.5ct | Heart | E | VS1 | Ideal
From $1,135
Compare at $8,055
IGISave 86.2%3.5ct | Heart | D | VS1 | Excellent
From $1,223
Compare at $8,860
IGISave 87.9%3.5ct | Heart | E | VS1 | Excellent
From $975
Compare at $8,080
IGISave 82.6%3.5ct | Heart | D | VS2 | Very Good
From $980
Compare at $5,644
IGISave 19.7%3.5ct | Heart | E | VVS2 | Very Good
From $967
Compare at $1,205
IGISave 61.3%3.5ct | Heart | E | VVS2 | Ideal
From $989
Compare at $2,558
IGISave 80.6%3.5ct | Heart | G | VS2 | Ideal
From $1,070
Compare at $5,500
IGISave 88%3.5ct | Heart | E | VS1 | Excellent
From $967
Compare at $8,050
IGISave 86.7%3.5ct | Heart | E | VS2 | Ideal
From $883
Compare at $6,635
IGISave 84%3.5ct | Heart | F | VVS2 | Ideal
From $1,188
Compare at $7,410
IGISave 86%3.5ct | Heart | D | VS1 | Ideal
From $1,337
Compare at $9,540
IGISave 60%3.5ct | Heart | D | IF | Very Good
From $6,642
Compare at $16,600
IGISave 81.6%3.5ct | Heart | E | VVS2 | Ideal
From $1,180
Compare at $6,420
IGISave 82.1%3.5ct | Heart | F | VS1 | Ideal
From $1,248
Compare at $6,960
IGISave 51.9%3.5ct | Heart | F | VS1 | Very Good
From $1,158
Compare at $2,408
IGISave 45.2%3.5ct | Heart | D | VVS1 | Ideal
From $6,208
Compare at $11,320
IGISave 86%3.5ct | Heart | E | VS1 | Ideal
From $1,139
Compare at $8,130
Entry pricing in this category starts around $714.
What to Know When Shopping for 3.5 Carat Heart Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $27,964 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 $1,157 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.
- Heart-shaped diamonds require excellent symmetry to look balanced. Aim for carat weights above 0.5 where the shape is clearly visible.
Frequently Asked Questions
We currently track 258 comparable stones in this segment. Prices start around $714 and go up to $28,678.
Based on the latest market data, the average asking price is about $1,931 with a median around $1,157.
The observed spread is roughly $27,964 across tracked listings, which is about 97.5% 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 $1,157, 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 $27,964 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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