1.6 Carat Heart Lab Grown Diamond Prices Comparison

As of April 2026, 1.6 carat heart lab grown diamonds usually range from $422 to $6,369, with an average price of $1,317.In the last month, prices for these diamonds are down 1.6%.Compare 486 verified listings across 8 retailers tracked by CaratRadar.

Market Insights
Last updated: 2026-04-15

1.6 Carat Heart Lab Grown Diamond Market Overview

CaratRadar currently tracks 486 verified 1.6-carat heart lab grown diamonds listed across 8 online retailers. Prices in this segment range from $422 to $6,369, with an average asking price of $1,317 and a median of $1,130.

The price spread of $5,947 (93.4% 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.

  • 486 diamonds tracked in this segment

  • Price range: $422 to $6,369

  • Average price: $1,317

  • Median price: $1,130

  • Available across 8 retailers

  • Savings potential: up to 93.4%

Price Range Overview

As of Apr 15, 2026
Spread $5,947

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

$422$6,369
Tracked

486

Lowest

$422

Average

$1,317

Median

$1,130

Highest

$6,369

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.

GCAL | 1.61ct | Heart | G | VS1 | Excellent
Save 72%

GCAL | 1.61ct | Heart | G | VS1 | Excellent

From $775

Compare at $2,770

3 stores
GCAL | 1.61ct | Heart | D | VS2 | Excellent
Save 76%

GCAL | 1.61ct | Heart | D | VS2 | Excellent

From $1,018

Compare at $4,240

3 stores
GIA | 1.61ct | Heart | F | VS1 | Very Good
Save 63%

GIA | 1.61ct | Heart | F | VS1 | Very Good

From $1,184

Compare at $3,197

5 stores
GIA | 1.61ct | Heart | E | VS1 | Excellent

GIA | 1.61ct | Heart | E | VS1 | Excellent

From $1,181

Compare at $1,185

2 stores
IGI | 1.61ct | Heart | F | VS1 | Very Good
Save 71.2%

IGI | 1.61ct | Heart | F | VS1 | Very Good

From $515

Compare at $1,790

3 stores
IGI | 1.61ct | Heart | D | VVS1 | Very Good
Save 68.8%

IGI | 1.61ct | Heart | D | VVS1 | Very Good

From $1,063

Compare at $3,410

2 stores
IGI | 1.61ct | Heart | D | VS2 | Ideal
Save 64.8%

IGI | 1.61ct | Heart | D | VS2 | Ideal

From $634

Compare at $1,800

3 stores
IGI | 1.61ct | Heart | D | VS1 | Excellent
Save 51.6%

IGI | 1.61ct | Heart | D | VS1 | Excellent

From $619

Compare at $1,279

6 stores
IGI | 1.61ct | Heart | D | VS1 | Ideal
Save 71.1%

IGI | 1.61ct | Heart | D | VS1 | Ideal

From $759

Compare at $2,630

6 stores
IGI | 1.61ct | Heart | E | VVS1 | Ideal
Save 65.5%

IGI | 1.61ct | Heart | E | VVS1 | Ideal

From $796

Compare at $2,310

6 stores
IGI | 1.61ct | Heart | D | VS1 | Excellent
Save 68.1%

IGI | 1.61ct | Heart | D | VS1 | Excellent

From $674

Compare at $2,110

6 stores
IGI | 1.61ct | Heart | F | VVS2 | Very Good
Save 54.8%

IGI | 1.61ct | Heart | F | VVS2 | Very Good

From $740

Compare at $1,640

4 stores
IGI | 1.61ct | Heart | E | VVS2 | Very Good
Save 67.9%

IGI | 1.61ct | Heart | E | VVS2 | Very Good

From $838

Compare at $2,610

4 stores
IGI | 1.61ct | Heart | G | VS2 | Ideal
Save 33.5%

IGI | 1.61ct | Heart | G | VS2 | Ideal

From $608

Compare at $914

3 stores
IGI | 1.61ct | Heart | E | VVS1 | Excellent
Save 61.1%

IGI | 1.61ct | Heart | E | VVS1 | Excellent

From $902

Compare at $2,320

6 stores
IGI | 1.61ct | Heart | E | VS2 | Ideal
Save 54.1%

IGI | 1.61ct | Heart | E | VS2 | Ideal

From $867

Compare at $1,890

3 stores
IGI | 1.61ct | Heart | D | VVS2 | Excellent
Save 75.7%

IGI | 1.61ct | Heart | D | VVS2 | Excellent

From $680

Compare at $2,800

5 stores
IGI | 1.61ct | Heart | E | VVS1 | Ideal
Save 70.8%

IGI | 1.61ct | Heart | E | VVS1 | Ideal

From $857

Compare at $2,940

6 stores
IGI | 1.61ct | Heart | E | VS1 | Excellent
Save 58%

IGI | 1.61ct | Heart | E | VS1 | Excellent

From $781

Compare at $1,860

2 stores
IGI | 1.61ct | Heart | E | VVS1 | Excellent
Save 71.7%

IGI | 1.61ct | Heart | E | VVS1 | Excellent

From $790

Compare at $2,790

6 stores
IGI | 1.61ct | Heart | E | VVS2 | Ideal
Save 67.9%

IGI | 1.61ct | Heart | E | VVS2 | Ideal

From $686

Compare at $2,140

6 stores
IGI | 1.61ct | Heart | E | VVS1 | Excellent
Save 69%

IGI | 1.61ct | Heart | E | VVS1 | Excellent

From $766

Compare at $2,470

6 stores
IGI | 1.61ct | Heart | E | VS1 | Very Good
Save 47.8%

IGI | 1.61ct | Heart | E | VS1 | Very Good

From $608

Compare at $1,164

5 stores
IGI | 1.61ct | Heart | F | VVS2 | Ideal
Save 63.6%

IGI | 1.61ct | Heart | F | VVS2 | Ideal

From $867

Compare at $2,380

3 stores
IGI | 1.61ct | Heart | E | VVS2 | Ideal
Save 71.5%

IGI | 1.61ct | Heart | E | VVS2 | Ideal

From $662

Compare at $2,320

6 stores
IGI | 1.61ct | Heart | E | VVS2 | Excellent
Save 52.1%

IGI | 1.61ct | Heart | E | VVS2 | Excellent

From $829

Compare at $1,730

2 stores
IGI | 1.61ct | Heart | E | VVS1 | Ideal
Save 63.3%

IGI | 1.61ct | Heart | E | VVS1 | Ideal

From $911

Compare at $2,480

3 stores
IGI | 1.61ct | Heart | E | VS2 | Very Good
Save 40.8%

IGI | 1.61ct | Heart | E | VS2 | Very Good

From $781

Compare at $1,320

2 stores
IGI | 1.61ct | Heart | E | VS1 | Excellent
Save 67.6%

IGI | 1.61ct | Heart | E | VS1 | Excellent

From $628

Compare at $1,940

3 stores
IGI | 1.61ct | Heart | D | VS2 | Ideal
Save 73.7%

IGI | 1.61ct | Heart | D | VS2 | Ideal

From $625

Compare at $2,380

5 stores
IGI | 1.61ct | Heart | D | VS1 | Ideal
Save 74.4%

IGI | 1.61ct | Heart | D | VS1 | Ideal

From $634

Compare at $2,480

6 stores
IGI | 1.61ct | Heart | E | VVS2 | Excellent
Save 54.4%

IGI | 1.61ct | Heart | E | VVS2 | Excellent

From $829

Compare at $1,820

2 stores
IGI | 1.61ct | Heart | D | VVS1 | Excellent
Save 74.4%

IGI | 1.61ct | Heart | D | VVS1 | Excellent

From $772

Compare at $3,020

5 stores
IGI | 1.61ct | Heart | D | IF | Good
Save 66.9%

IGI | 1.61ct | Heart | D | IF | Good

From $1,686

Compare at $5,090

7 stores
IGI | 1.61ct | Heart | D | VVS1 | Ideal
Save 74.3%

IGI | 1.61ct | Heart | D | VVS1 | Ideal

From $885

Compare at $3,440

5 stores
IGI | 1.61ct | Heart | D | VVS2 | Ideal
Save 67.3%

IGI | 1.61ct | Heart | D | VVS2 | Ideal

From $910

Compare at $2,780

2 stores
IGI | 1.61ct | Heart | E | VVS1 | Ideal
Save 65.4%

IGI | 1.61ct | Heart | E | VVS1 | Ideal

From $809

Compare at $2,340

6 stores
IGI | 1.61ct | Heart | E | VS1 | Excellent
Save 56.1%

IGI | 1.61ct | Heart | E | VS1 | Excellent

From $781

Compare at $1,780

2 stores
IGI | 1.61ct | Heart | D | VVS2 | Ideal
Save 78.7%

IGI | 1.61ct | Heart | D | VVS2 | Ideal

From $641

Compare at $3,010

7 stores
IGI | 1.61ct | Heart | D | VVS2 | Ideal
Save 70.8%

IGI | 1.61ct | Heart | D | VVS2 | Ideal

From $910

Compare at $3,110

6 stores
IGI | 1.61ct | Heart | E | VVS2 | Ideal

IGI | 1.61ct | Heart | E | VVS2 | Ideal

From $1,340

2 stores
IGI | 1.61ct | Heart | D | VS1 | Ideal
Save 75.8%

IGI | 1.61ct | Heart | D | VS1 | Ideal

From $599

Compare at $2,480

5 stores
IGI | 1.61ct | Heart | D | VVS2 | Ideal
Save 76.5%

IGI | 1.61ct | Heart | D | VVS2 | Ideal

From $711

Compare at $3,020

6 stores
IGI | 1.61ct | Heart | D | VVS2 | Ideal

IGI | 1.61ct | Heart | D | VVS2 | Ideal

From $1,392

Compare at $1,395

2 stores
IGI | 1.61ct | Heart | E | VS1 | Very Good
Save 51.6%

IGI | 1.61ct | Heart | E | VS1 | Very Good

From $619

Compare at $1,279

4 stores
IGI | 1.61ct | Heart | D | VVS1 | Excellent
Save 50.1%

IGI | 1.61ct | Heart | D | VVS1 | Excellent

From $775

Compare at $1,553

2 stores
IGI | 1.61ct | Heart | F | VS1 | Ideal
Save 69.6%

IGI | 1.61ct | Heart | F | VS1 | Ideal

From $641

Compare at $2,110

5 stores
IGI | 1.61ct | Heart | D | VVS2 | Very Good
Save 33.6%

IGI | 1.61ct | Heart | D | VVS2 | Very Good

From $601

Compare at $905

3 stores
IGI | 1.61ct | Heart | F | VS2 | Ideal
Save 56.5%

IGI | 1.61ct | Heart | F | VS2 | Ideal

From $588

Compare at $1,350

6 stores
IGI | 1.61ct | Heart | E | VS1 | Ideal
Save 24.3%

IGI | 1.61ct | Heart | E | VS1 | Ideal

From $588

Compare at $776

3 stores

Entry pricing in this category starts around $422.

What to Know When Shopping for 1.6 Carat Heart Lab Grown Diamonds

  1. Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $5,947 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 $1,130 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 486 comparable stones in this segment. Prices start around $422 and go up to $6,369.

Based on the latest market data, the average asking price is about $1,317 with a median around $1,130.

The observed spread is roughly $5,947 across tracked listings, which is about 93.4% 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 $1,130, 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 8 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 $5,947 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 1.6 carat Heart diamonds.