4.6 Carat Heart Lab Grown Diamond Prices Comparison

As of April 2026, 4.6 carat heart lab grown diamonds usually range from $795 to $24,020, with an average price of $3,948.In the last month, prices for these diamonds are up 0.3%.Compare 27 verified listings across 4 retailers tracked by CaratRadar.

Market Insights
Last updated: 2026-04-14

4.6 Carat Heart Lab Grown Diamond Market Overview

CaratRadar currently tracks 27 verified 4.6-carat heart lab grown diamonds listed across 4 online retailers. Prices in this segment range from $795 to $24,020, with an average asking price of $3,948 and a median of $2,798.

The price spread of $23,225 (96.7% 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.

  • 27 diamonds tracked in this segment

  • Price range: $795 to $24,020

  • Average price: $3,948

  • Median price: $2,798

  • Available across 4 retailers

  • Savings potential: up to 96.7%

Price Range Overview

As of Apr 14, 2026
Spread $23,225

Real market range for this carat, shape, and diamond type.

$795$24,020
Tracked

27

Lowest

$795

Average

$3,948

Median

$2,799

Highest

$24,020

Price History

Price Comparison Matrix

Live Listings

See all listings

Compare current retailer offers for this exact segment and open any listing for full details.

IGI | 4.6ct | Heart | D | VVS2 | Excellent
Save 74.2%

IGI | 4.6ct | Heart | D | VVS2 | Excellent

From $2,903

Compare at $11,270

2 stores
IGI | 4.6ct | Heart | D | VVS2 | Ideal
Save 76.1%

IGI | 4.6ct | Heart | D | VVS2 | Ideal

From $1,722

Compare at $7,210

6 stores
IGI | 4.6ct | Heart | D | VVS2 | Ideal
Save 87.2%

IGI | 4.6ct | Heart | D | VVS2 | Ideal

From $1,681

Compare at $13,160

7 stores
IGI | 4.6ct | Heart | FANCY | VS1 | Ideal
Save 23.5%

IGI | 4.6ct | Heart | FANCY | VS1 | Ideal

From $4,248

Compare at $5,552

2 stores
IGI | 4.61ct | Heart | F | VS1 | Ideal
Save 82.9%

IGI | 4.61ct | Heart | F | VS1 | Ideal

From $1,573

Compare at $9,200

7 stores
IGI | 4.61ct | Heart | F | VS1 | Ideal
Save 82.9%

IGI | 4.61ct | Heart | F | VS1 | Ideal

From $1,573

Compare at $9,200

7 stores
IGI | 4.61ct | Heart | G | VVS2 | Ideal
Save 85.9%

IGI | 4.61ct | Heart | G | VVS2 | Ideal

From $1,256

Compare at $8,930

2 stores
Save 34.6%

IGI | 4.64ct | Heart | FANCY | VS2 | Very Good

From $3,946

Compare at $6,031

2 stores
IGI | 4.64ct | Heart | E | VS1 | Ideal
Save 88.9%

IGI | 4.64ct | Heart | E | VS1 | Ideal

From $1,249

Compare at $11,230

5 stores
IGI | 4.64ct | Heart | F | VVS2 | Excellent
Save 85.7%

IGI | 4.64ct | Heart | F | VVS2 | Excellent

From $1,441

Compare at $10,100

4 stores
GIA | 4.65ct | Heart | G | VVS2 | Very Good
Save 43.5%

GIA | 4.65ct | Heart | G | VVS2 | Very Good

From $4,122

Compare at $7,291

2 stores
IGI | 4.65ct | Heart | I | VS1 | Ideal
Save 61%

IGI | 4.65ct | Heart | I | VS1 | Ideal

From $2,190

Compare at $5,620

2 stores
IGI | 4.65ct | Heart | F | VS1 | Ideal
Save 78.8%

IGI | 4.65ct | Heart | F | VS1 | Ideal

From $1,986

Compare at $9,380

3 stores
IGI | 4.65ct | Heart | E | VVS2 | Ideal
Save 88.8%

IGI | 4.65ct | Heart | E | VVS2 | Ideal

From $1,267

Compare at $11,340

6 stores
IGI | 4.65ct | Heart | E | VVS2 | Ideal
Save 88.8%

IGI | 4.65ct | Heart | E | VVS2 | Ideal

From $1,267

Compare at $11,340

4 stores
IGI | 4.66ct | Heart | E | VVS2 | Ideal
Save 88.8%

IGI | 4.66ct | Heart | E | VVS2 | Ideal

From $1,269

Compare at $11,370

2 stores
IGI | 4.66ct | Heart | D | FL | Very Good
Save 70.6%

IGI | 4.66ct | Heart | D | FL | Very Good

From $18,372

Compare at $62,540

6 stores
IGI | 4.67ct | Heart | E | VS1 | Ideal
Save 85.8%

IGI | 4.67ct | Heart | E | VS1 | Ideal

From $1,609

Compare at $11,330

7 stores
IGI | 4.67ct | Heart | D | VS2 | Very Good
Save 49.9%

IGI | 4.67ct | Heart | D | VS2 | Very Good

From $2,265

Compare at $4,525

3 stores
GIA | 4.68ct | Heart | E | VS2 | Ideal
Save 47.2%

GIA | 4.68ct | Heart | E | VS2 | Ideal

From $4,741

Compare at $8,980

3 stores
IGI | 4.68ct | Heart | E | VVS2 | Very Good
Save 87.1%

IGI | 4.68ct | Heart | E | VVS2 | Very Good

From $1,473

Compare at $11,440

3 stores
IGI | 4.69ct | Heart | E | VS1 | Excellent
Save 89.1%

IGI | 4.69ct | Heart | E | VS1 | Excellent

From $1,232

Compare at $11,350

5 stores
IGI | 4.7ct | Heart | E | VS2 | Ideal
Save 85.4%

IGI | 4.7ct | Heart | E | VS2 | Ideal

From $1,324

Compare at $9,070

5 stores
IGI | 4.7ct | Heart | F | VS1 | Excellent
Save 79.5%

IGI | 4.7ct | Heart | F | VS1 | Excellent

From $2,232

Compare at $10,900

2 stores
IGI | 4.7ct | Heart | G | VVS2 | Ideal
Save 80.1%

IGI | 4.7ct | Heart | G | VVS2 | Ideal

From $1,829

Compare at $9,170

5 stores
IGI | 4.7ct | Heart | E | VS1 | Excellent
Save 74.5%

IGI | 4.7ct | Heart | E | VS1 | Excellent

From $2,279

Compare at $8,930

2 stores
IGI | 4.7ct | Heart | F | VVS1 | Excellent
Save 73%

IGI | 4.7ct | Heart | F | VVS1 | Excellent

From $4,217

Compare at $15,640

5 stores

Entry pricing in this category starts around $795.

What to Know When Shopping for 4.6 Carat Heart Lab Grown Diamonds

  1. Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $23,225 or more.
  2. 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.
  3. The median price of $2,798 is a useful benchmark. If you see a deal significantly below this, verify the retailer's reputation and return policy.
  4. 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.
  5. Lab-grown diamonds offer excellent value. Ensure the stone comes with a GIA or IGI certificate confirming it is laboratory-grown.
  6. Check shipping, insurance, and return policies. The lowest sticker price is not always the best deal once you factor in total cost of purchase.
  7. 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 27 comparable stones in this segment. Prices start around $795 and go up to $24,020.

Based on the latest market data, the average asking price is about $3,948 with a median around $2,798.

The observed spread is roughly $23,225 across tracked listings, which is about 96.7% 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 $2,798, 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 4 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 $23,225 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.

Related Price Categories

Explore adjacent carat ranges and shapes to compare market shifts.

Tracking Lab Grown inventory for 4.6 carat Heart diamonds.