1 Carat Heart Natural Diamond Prices Comparison

As of October 2026, 1 carat heart natural diamonds in the 1.00–1.24 carat benchmark range usually range from $566 to $11,641, with an average price of $2,878.In the last month, prices for these diamonds are down 1.6%.Compare 4,832 verified listings across 13 retailers tracked by CaratRadar.

Market Insights
Last updated: 2026-10-15

1 Carat Heart Natural Diamond Market Overview

CaratRadar currently tracks 4,832 verified 1-carat heart natural diamonds in the 1.00–1.24 carat benchmark range, listed across 13 online retailers. Prices in this segment range from $566 to $11,641, with an average asking price of $2,878 and a median of $2,677.

The price spread of $11,075 (95.1% 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 use the same benchmark range throughout the page and 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.

  • 4,832 diamonds tracked in the 1.00–1.24 carat benchmark

  • Price range: $566 to $11,641

  • Average price: $2,878

  • Median price: $2,677

  • Available across 13 retailers

  • Savings potential: up to 95.1%

All charts, listings, price matrices, shape comparisons, FAQs, and schema on this page use the same 1.00–1.24 carat benchmark range.

Price Range Overview

As of Oct 15, 2026
Spread $11,075

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

$566$11,641
Tracked

4,832

Lowest

$566

Average

$2,878

Median

$2,677

Highest

$11,641

Price History

Price Comparison Matrix

Live Listings

See all listings

Compare current retailer offers in the same benchmark range and open any listing for full details.

GIA | 1.01ct | Heart | FANCY | SI1
Save 13.4%

GIA | 1.01ct | Heart | FANCY | SI1

From $700

Compare at $808

2 stores
HRD | 1ct | Heart | H | I1 | Ideal

HRD | 1ct | Heart | H | I1 | Ideal

From $802

Compare at $877

2 stores
IGI | 1.01ct | Heart | K | VS2 | Very Good
Save 19.2%

IGI | 1.01ct | Heart | K | VS2 | Very Good

From $834

Compare at $1,033

4 stores
HRD | 1.01ct | Heart | H | SI2 | Ideal
Save 11.6%

HRD | 1.01ct | Heart | H | SI2 | Ideal

From $866

Compare at $980

3 stores
IGI | 1.03ct | Heart | L | SI2 | Ideal
Save 12.2%

IGI | 1.03ct | Heart | L | SI2 | Ideal

From $868

Compare at $989

3 stores
IGI | 1ct | Heart | H | SI2 | Very Good
Save 21.4%

IGI | 1ct | Heart | H | SI2 | Very Good

From $897

Compare at $1,141

5 stores
GIA | 1ct | Heart | L | SI1 | Excellent

GIA | 1ct | Heart | L | SI1 | Excellent

From $943

Compare at $1,024

2 stores
IGI | 1ct | Heart | I | SI2 | Excellent
Save 12.5%

IGI | 1ct | Heart | I | SI2 | Excellent

From $948

Compare at $1,083

2 stores
GIA | 1.02ct | Heart | L | SI2 | Excellent

GIA | 1.02ct | Heart | L | SI2 | Excellent

From $950

Compare at $1,032

2 stores
IGI | 1.01ct | Heart | L | VVS2 | Ideal
Save 12.4%

IGI | 1.01ct | Heart | L | VVS2 | Ideal

From $955

Compare at $1,090

2 stores
HRD | 1.01ct | Heart | H | SI2 | Excellent
Save 18.9%

HRD | 1.01ct | Heart | H | SI2 | Excellent

From $957

Compare at $1,180

4 stores
IGI | 1.01ct | Heart | H | SI2 | Excellent
Save 12.5%

IGI | 1.01ct | Heart | H | SI2 | Excellent

From $961

Compare at $1,098

2 stores
HRD | 1.01ct | Heart | G | I1 | Ideal
Save 12.5%

HRD | 1.01ct | Heart | G | I1 | Ideal

From $963

Compare at $1,100

2 stores
HRD | 1.01ct | Heart | G | I1 | Ideal

HRD | 1.01ct | Heart | G | I1 | Ideal

From $966

Compare at $1,047

2 stores
HRD | 1ct | Heart | G | SI2 | Ideal
Save 22.1%

HRD | 1ct | Heart | G | SI2 | Ideal

From $967

Compare at $1,241

4 stores
GIA | 1.01ct | Heart | I | SI2 | Excellent
Save 18%

GIA | 1.01ct | Heart | I | SI2 | Excellent

From $970

Compare at $1,183

4 stores
IGI | 1.01ct | Heart | L | VS2 | Ideal

IGI | 1.01ct | Heart | L | VS2 | Ideal

From $970

Compare at $1,024

2 stores
IGI | 1ct | Heart | J | SI1 | Very Good
Save 20.3%

IGI | 1ct | Heart | J | SI1 | Very Good

From $972

Compare at $1,219

4 stores
IGI | 1.01ct | Heart | H | SI2 | Very Good
Save 18.7%

IGI | 1.01ct | Heart | H | SI2 | Very Good

From $976

Compare at $1,201

4 stores
GIA | 1ct | Heart | K | SI1 | Excellent

GIA | 1ct | Heart | K | SI1 | Excellent

From $977

Compare at $1,061

2 stores
GIA | 1ct | Heart | K | SI2 | Excellent

GIA | 1ct | Heart | K | SI2 | Excellent

From $978

Compare at $1,063

2 stores
HRD | 1ct | Heart | I | SI2 | Ideal
Save 15.2%

HRD | 1ct | Heart | I | SI2 | Ideal

From $979

Compare at $1,155

2 stores
GIA | 1.04ct | Heart | L | SI1 | Excellent
Save 18.1%

GIA | 1.04ct | Heart | L | SI1 | Excellent

From $982

Compare at $1,199

4 stores
GIA | 1.01ct | Heart | L | SI2 | Ideal

GIA | 1.01ct | Heart | L | SI2 | Ideal

From $983

Compare at $1,069

2 stores
GIA | 1ct | Heart | K | SI2 | Excellent

GIA | 1ct | Heart | K | SI2 | Excellent

From $986

Compare at $1,072

2 stores
GIA | 1.01ct | Heart | L | SI2 | Ideal
Save 18.2%

GIA | 1.01ct | Heart | L | SI2 | Ideal

From $989

Compare at $1,210

3 stores
GIA | 1ct | Heart | K | SI2 | Excellent

GIA | 1ct | Heart | K | SI2 | Excellent

From $994

Compare at $1,081

2 stores
IGI | 1.01ct | Heart | J | SI2 | Ideal

IGI | 1.01ct | Heart | J | SI2 | Ideal

From $1,000

Compare at $1,081

2 stores
GIA | 1.02ct | Heart | L | SI1 | Excellent

GIA | 1.02ct | Heart | L | SI1 | Excellent

From $1,001

Compare at $1,109

2 stores
GIA | 1.04ct | Heart | L | SI2 | Excellent

GIA | 1.04ct | Heart | L | SI2 | Excellent

From $1,004

Compare at $1,099

2 stores
IGI | 1.01ct | Heart | L | VS1 | Ideal
Save 16.9%

IGI | 1.01ct | Heart | L | VS1 | Ideal

From $1,004

Compare at $1,208

3 stores
IGI | 1.01ct | Heart | J | SI1 | Very Good
Save 22.4%

IGI | 1.01ct | Heart | J | SI1 | Very Good

From $1,004

Compare at $1,294

4 stores
IGI | 1.01ct | Heart | I | I1 | Ideal

IGI | 1.01ct | Heart | I | I1 | Ideal

From $1,005

Compare at $1,065

2 stores
GIA | 1ct | Heart | K | SI1 | Excellent
Save 10.4%

GIA | 1ct | Heart | K | SI1 | Excellent

From $1,010

Compare at $1,127

2 stores
GIA | 1ct | Heart | L | SI1 | Excellent
Save 10.4%

GIA | 1ct | Heart | L | SI1 | Excellent

From $1,011

Compare at $1,128

2 stores
GIA | 1ct | Heart | K | SI1 | Excellent

GIA | 1ct | Heart | K | SI1 | Excellent

From $1,011

Compare at $1,107

2 stores
IGI | 1.01ct | Heart | J | VS2 | Very Good
Save 22.4%

IGI | 1.01ct | Heart | J | VS2 | Very Good

From $1,011

Compare at $1,303

3 stores
GIA | 1.02ct | Heart | L | SI2 | Ideal
Save 20%

GIA | 1.02ct | Heart | L | SI2 | Ideal

From $1,014

Compare at $1,268

2 stores
IGI | 1.01ct | Heart | I | SI2 | Ideal

IGI | 1.01ct | Heart | I | SI2 | Ideal

From $1,015

Compare at $1,098

2 stores
GIA | 1ct | Heart | K | SI1 | Excellent
Save 10.4%

GIA | 1ct | Heart | K | SI1 | Excellent

From $1,027

Compare at $1,146

2 stores
GIA | 1.01ct | Heart | K | SI1 | Excellent
Save 10.4%

GIA | 1.01ct | Heart | K | SI1 | Excellent

From $1,028

Compare at $1,148

2 stores
GIA | 1.02ct | Heart | L | SI1 | Excellent
Save 19.7%

GIA | 1.02ct | Heart | L | SI1 | Excellent

From $1,031

Compare at $1,284

2 stores
IGI | 1ct | Heart | G | SI2 | Very Good
Save 17%

IGI | 1ct | Heart | G | SI2 | Very Good

From $1,031

Compare at $1,242

2 stores
GIA | 1ct | Heart | K | SI1 | Excellent

GIA | 1ct | Heart | K | SI1 | Excellent

From $1,036

Compare at $1,131

2 stores
GIA | 1.01ct | Heart | L | SI2 | Excellent
Save 19.6%

GIA | 1.01ct | Heart | L | SI2 | Excellent

From $1,041

Compare at $1,295

4 stores
GIA | 1.01ct | Heart | G | SI2 | Excellent
Save 31.4%

GIA | 1.01ct | Heart | G | SI2 | Excellent

From $1,042

Compare at $1,520

3 stores
IGI | 1ct | Heart | I | VS1 | Very Good

IGI | 1ct | Heart | I | VS1 | Very Good

From $1,044

Compare at $1,045

2 stores
IGI | 1ct | Heart | F | SI2 | Ideal

IGI | 1ct | Heart | F | SI2 | Ideal

From $1,044

Compare at $1,097

2 stores
GIA | 1.01ct | Heart | K | SI1 | Very Good
Save 17.5%

GIA | 1.01ct | Heart | K | SI1 | Very Good

From $1,046

Compare at $1,268

4 stores
IGI | 1.01ct | Heart | K | SI1 | Very Good
Save 19.2%

IGI | 1.01ct | Heart | K | SI1 | Very Good

From $1,046

Compare at $1,295

4 stores

Entry pricing in this benchmark range starts around $566.

What to Know When Shopping for 1 Carat Heart Natural Diamonds

  1. Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $11,075 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 $2,677 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. Compare natural vs. lab-grown options for the same carat and shape. Lab-grown diamonds are chemically identical but often 30-50% less expensive.
  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 4,832 comparable stones in the 1.00–1.24 carat benchmark range. Prices start around $566 and go up to $11,641.

Based on the latest market data, the average asking price is about $2,878 with a median around $2,677.

The observed spread is roughly $11,075 across tracked listings, which is about 95.1% from highest to lowest offer in the 1.00–1.24 carat benchmark range.

We refresh pricing data daily so these pages stay current with market changes.

Based on completed market data, the fair market benchmark is $2,878. The median price is $2,677, so offers between the median and fair benchmark can be reasonable, while reputable listings below the median may be especially competitive.

We currently track this stone category across 13 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 $11,075 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 Natural inventory for the 1.00–1.24 carat Heart diamond benchmark.