4.6 Carat Heart Lab Grown Diamond Prices Comparison
As of February 2026, 4.6 carat heart lab grown diamonds usually range from $979 to $13,556, with an average price of $1,987.In the last month, prices for these diamonds are down 0.6%.Compare 71 verified listings across 7 retailers tracked by CaratRadar.
4.6 Carat Heart Lab Grown Diamond Market Overview
CaratRadar currently tracks 71 verified 4.6-carat heart lab grown diamonds listed across 7 online retailers. Prices in this segment range from $979 to $13,556, with an average asking price of $1,987 and a median of $1,288.
The price spread of $12,577 (92.8% 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.
71 diamonds tracked in this segment
Price range: $979 to $13,556
Average price: $1,987
Median price: $1,288
Available across 7 retailers
Savings potential: up to 92.8%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
71
$979
$1,987
$1,288
$13,556
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 56.6%4.55ct | Heart | E | VS1 | Ideal
From $1,576
Compare at $3,633
IGISave 84.1%4.55ct | Heart | E | VS1 | Very Good
From $1,273
Compare at $8,020
IGISave 88.6%4.55ct | Heart | E | VVS2 | Ideal
From $1,264
Compare at $11,060
IGISave 90.8%4.55ct | Heart | E | VS1 | Ideal
From $1,009
Compare at $11,020
IGISave 75%4.55ct | Heart | E | VVS2 | Ideal
From $1,253
Compare at $5,005
IGISave 85.6%4.55ct | Heart | D | VS1 | Ideal
From $1,636
Compare at $11,340
IGISave 89.8%4.55ct | Heart | D | VVS2 | Ideal
From $1,337
Compare at $13,100
IGISave 85.5%4.55ct | Heart | G | VS1 | Excellent
From $1,380
Compare at $9,510
IGISave 83.3%4.55ct | Heart | E | VS1 | Excellent
From $1,273
Compare at $7,610
IGISave 72%4.55ct | Heart | D | IF | Ideal
From $12,520
Compare at $44,776
IGISave 84.9%4.55ct | Heart | E | VS1 | Excellent
From $1,273
Compare at $8,420
IGISave 84.2%4.55ct | Heart | G | VS1 | Ideal
From $1,253
Compare at $7,920
IGISave 87.3%4.55ct | Heart | F | VVS2 | Excellent
From $1,257
Compare at $9,920
IGISave 82.5%4.56ct | Heart | F | VS2 | Ideal
From $1,713
Compare at $9,770
IGISave 83.4%4.56ct | Heart | E | VS2 | Ideal
From $1,844
Compare at $11,100
IGISave 87.7%4.56ct | Heart | F | VS1 | Ideal
From $1,120
Compare at $9,100
IGISave 85.8%4.56ct | Heart | G | VS1 | Ideal
From $1,128
Compare at $7,940
IGISave 88.6%4.56ct | Heart | E | VVS2 | Ideal
From $1,277
Compare at $11,180
IGISave 79.6%4.56ct | Heart | F | VS1 | Ideal
From $1,220
Compare at $5,980
IGISave 32.1%4.56ct | Heart | E | VS2 | Very Good
From $1,211
Compare at $1,782
IGISave 73.1%4.56ct | Heart | E | VS1 | Ideal
From $2,196
Compare at $8,160
IGISave 87.2%4.56ct | Heart | F | VVS2 | Ideal
From $1,266
Compare at $9,920
IGISave 67.8%4.56ct | Heart | E | VVS1 | Ideal
From $4,065
Compare at $12,630
IGISave 16.7%4.56ct | Heart | D | VVS2 | Very Good
From $1,288
Compare at $1,546
IGISave 86.6%4.56ct | Heart | E | VVS2 | Excellent
From $1,490
Compare at $11,150
IGISave 67.9%4.56ct | Heart | E | VS1 | Ideal
From $1,257
Compare at $3,920
IGISave 75%4.56ct | Heart | E | VVS2 | Ideal
From $1,256
Compare at $5,015
IGISave 84.2%4.56ct | Heart | F | VS1 | Ideal
From $1,438
Compare at $9,100
IGISave 82%4.57ct | Heart | D | VS1 | Ideal
From $3,592
Compare at $19,960
IGISave 86.9%4.57ct | Heart | F | VS1 | Ideal
From $1,492
Compare at $11,380
IGISave 88.9%4.57ct | Heart | D | VS1 | Ideal
From $1,254
Compare at $11,340
IGISave 79.3%4.57ct | Heart | D | IF | Very Good
From $13,556
Compare at $65,625
IGISave 85.9%4.57ct | Heart | E | VVS2 | Good
From $1,575
Compare at $11,160
IGISave 67.5%4.57ct | Heart | E | VS2 | Ideal
From $1,156
Compare at $3,560
IGISave 84.9%4.57ct | Heart | E | VS1 | Excellent
From $1,279
Compare at $8,450
IGISave 83%4.57ct | Heart | E | VS1 | Ideal
From $1,231
Compare at $7,240
IGISave 83.9%4.57ct | Heart | F | VVS2 | Ideal
From $1,047
Compare at $6,490
IGISave 88%4.57ct | Heart | E | VS1 | Ideal
From $1,581
Compare at $13,140
IGISave 88.6%4.57ct | Heart | E | VS1 | Ideal
From $1,260
Compare at $11,060
IGISave 68.3%4.58ct | Heart | E | VS1 | Ideal
From $1,248
Compare at $3,935
IGISave 88.3%4.58ct | Heart | E | VVS2 | Ideal
From $1,308
Compare at $11,200
IGISave 83.6%4.58ct | Heart | F | VVS2 | Ideal
From $1,950
Compare at $11,900
IGISave 88.3%4.58ct | Heart | E | VVS2 | Excellent
From $1,308
Compare at $11,200
IGISave 84.1%4.59ct | Heart | G | VS1 | Ideal
From $1,513
Compare at $9,540
IGISave 87.6%4.59ct | Heart | D | VS2 | Ideal
From $1,199
Compare at $9,670
IGISave 79.3%4.59ct | Heart | E | VS2 | Ideal
From $1,847
Compare at $8,900
IGISave 50.3%4.59ct | Heart | F | VS2 | Excellent
From $2,593
Compare at $5,220
IGISave 17%4.59ct | Heart | D | VS1 | Very Good
From $1,312
Compare at $1,582
IGISave 88.9%4.59ct | Heart | E | VS2 | Excellent
From $979
Compare at $8,850
IGISave 86.9%4.59ct | Heart | E | VVS2 | Ideal
From $1,458
Compare at $11,160
Entry pricing in this category starts around $979.
What to Know When Shopping for 4.6 Carat Heart Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $12,577 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 $1,288 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 71 comparable stones in this segment. Prices start around $979 and go up to $13,556.
Based on the latest market data, the average asking price is about $1,987 with a median around $1,288.
The observed spread is roughly $12,577 across tracked listings, which is about 92.8% 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 $1,288, 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 7 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 $12,577 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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Tracking Lab Grown inventory for 4.6 carat Heart diamonds.