0.9 Carat Heart Natural Diamond Prices Comparison

As of May 2026, 0.9 carat heart natural diamonds usually range from $573 to $5,686, with an average price of $2,167.In the last month, prices for these diamonds are down 0.6%.Compare 684 verified listings across 6 retailers tracked by CaratRadar.

Market Insights
Last updated: 2026-05-29

0.9 Carat Heart Natural Diamond Market Overview

CaratRadar currently tracks 684 verified 0.9-carat heart natural diamonds listed across 6 online retailers. Prices in this segment range from $573 to $5,686, with an average asking price of $2,167 and a median of $2,067.

The price spread of $5,113 (89.9% 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.

  • 684 diamonds tracked in this segment

  • Price range: $573 to $5,686

  • Average price: $2,167

  • Median price: $2,067

  • Available across 6 retailers

  • Savings potential: up to 89.9%

Price Range Overview

As of May 29, 2026
Spread $5,113

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

$573$5,686
Tracked

684

Lowest

$573

Average

$2,167

Median

$2,067

Highest

$5,686

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.

GIA | 0.91ct | Heart | L | SI1 | Ideal

GIA | 0.91ct | Heart | L | SI1 | Ideal

From $708

Compare at $774

2 stores
GIA | 0.96ct | Heart | K | SI2 | Ideal
Save 18.8%

GIA | 0.96ct | Heart | K | SI2 | Ideal

From $723

Compare at $891

2 stores
GIA | 0.91ct | Heart | K | SI1 | Ideal
Save 40.4%

GIA | 0.91ct | Heart | K | SI1 | Ideal

From $790

Compare at $1,326

3 stores
GIA | 0.91ct | Heart | K | SI1 | Ideal
Save 40.4%

GIA | 0.91ct | Heart | K | SI1 | Ideal

From $790

Compare at $1,326

3 stores
GIA | 0.91ct | Heart | L | VS1 | Ideal
Save 15.5%

GIA | 0.91ct | Heart | L | VS1 | Ideal

From $799

Compare at $945

2 stores
GIA | 0.96ct | Heart | L | VS2 | Good
Save 13.9%

GIA | 0.96ct | Heart | L | VS2 | Good

From $808

Compare at $938

2 stores
IGI | 0.97ct | Heart | G | SI2 | Ideal
Save 11.5%

IGI | 0.97ct | Heart | G | SI2 | Ideal

From $850

Compare at $960

2 stores
GIA | 0.91ct | Heart | K | VS1 | Good
Save 15.6%

GIA | 0.91ct | Heart | K | VS1 | Good

From $943

Compare at $1,118

2 stores
GIA | 0.92ct | Heart | K | VS1 | Excellent
Save 38.8%

GIA | 0.92ct | Heart | K | VS1 | Excellent

From $957

Compare at $1,565

3 stores
GIA | 0.91ct | Heart | H | SI1 | Excellent
Save 14%

GIA | 0.91ct | Heart | H | SI1 | Excellent

From $983

Compare at $1,143

4 stores
GIA | 0.91ct | Heart | J | SI1 | Very Good
Save 24.3%

GIA | 0.91ct | Heart | J | SI1 | Very Good

From $992

Compare at $1,310

3 stores
GIA | 0.91ct | Heart | J | VS2 | Ideal
Save 14%

GIA | 0.91ct | Heart | J | VS2 | Ideal

From $999

Compare at $1,161

3 stores
GIA | 0.91ct | Heart | G | VS2 | Ideal
Save 13.9%

GIA | 0.91ct | Heart | G | VS2 | Ideal

From $1,005

Compare at $1,168

3 stores
GIA | 0.91ct | Heart | K | IF | Very Good
Save 11.3%

GIA | 0.91ct | Heart | K | IF | Very Good

From $1,009

Compare at $1,138

2 stores
GIA | 0.92ct | Heart | K | VS1 | Excellent

GIA | 0.92ct | Heart | K | VS1 | Excellent

From $1,025

Compare at $1,050

2 stores
GIA | 0.92ct | Heart | L | VS1 | Very Good
Save 16.3%

GIA | 0.92ct | Heart | L | VS1 | Very Good

From $1,028

Compare at $1,229

2 stores
GIA | 0.91ct | Heart | J | SI2 | Excellent
Save 16.3%

GIA | 0.91ct | Heart | J | SI2 | Excellent

From $1,031

Compare at $1,231

2 stores
GIA | 0.91ct | Heart | K | SI1 | Good

GIA | 0.91ct | Heart | K | SI1 | Good

From $1,034

Compare at $1,094

2 stores
GIA | 0.98ct | Heart | H | SI1 | Excellent
Save 13.9%

GIA | 0.98ct | Heart | H | SI1 | Excellent

From $1,042

Compare at $1,210

4 stores
GIA | 0.97ct | Heart | H | SI2 | Ideal
Save 13.9%

GIA | 0.97ct | Heart | H | SI2 | Ideal

From $1,045

Compare at $1,213

3 stores
GIA | 0.91ct | Heart | L | VS1 | Good
Save 14%

GIA | 0.91ct | Heart | L | VS1 | Good

From $1,045

Compare at $1,216

2 stores
GIA | 0.91ct | Heart | H | SI2 | Ideal
Save 24.9%

GIA | 0.91ct | Heart | H | SI2 | Ideal

From $1,046

Compare at $1,392

2 stores
IGI | 0.91ct | Heart | J | IF | Ideal
Save 13.1%

IGI | 0.91ct | Heart | J | IF | Ideal

From $1,065

Compare at $1,225

3 stores
GIA | 0.96ct | Heart | K | VS1 | Excellent

GIA | 0.96ct | Heart | K | VS1 | Excellent

From $1,069

Compare at $1,100

3 stores
GIA | 0.99ct | Heart | L | SI1 | Excellent
Save 11.2%

GIA | 0.99ct | Heart | L | SI1 | Excellent

From $1,072

Compare at $1,208

2 stores
GIA | 0.91ct | Heart | K | SI1 | Very Good

GIA | 0.91ct | Heart | K | SI1 | Very Good

From $1,082

Compare at $1,160

3 stores
GIA | 0.96ct | Heart | H | SI2 | Ideal
Save 13.8%

GIA | 0.96ct | Heart | H | SI2 | Ideal

From $1,085

Compare at $1,259

2 stores
IGI | 0.91ct | Heart | H | VS2 | Ideal

IGI | 0.91ct | Heart | H | VS2 | Ideal

From $1,101

Compare at $1,105

2 stores
GIA | 0.92ct | Heart | K | VVS1 | Very Good

GIA | 0.92ct | Heart | K | VVS1 | Very Good

From $1,113

Compare at $1,186

2 stores
GIA | 0.93ct | Heart | H | SI1 | Excellent
Save 62.2%

GIA | 0.93ct | Heart | H | SI1 | Excellent

From $1,119

Compare at $2,960

7 stores
GIA | 0.95ct | Heart | I | SI1 | Ideal
Save 34.9%

GIA | 0.95ct | Heart | I | SI1 | Ideal

From $1,125

Compare at $1,727

4 stores
GIA | 0.92ct | Heart | F | SI2 | Excellent
Save 30.2%

GIA | 0.92ct | Heart | F | SI2 | Excellent

From $1,132

Compare at $1,622

4 stores
GIA | 0.91ct | Heart | H | VS2 | Excellent

GIA | 0.91ct | Heart | H | VS2 | Excellent

From $1,133

Compare at $1,135

2 stores
GIA | 0.91ct | Heart | H | SI1 | Excellent

GIA | 0.91ct | Heart | H | SI1 | Excellent

From $1,134

Compare at $1,155

2 stores
GIA | 0.92ct | Heart | F | SI2 | Excellent
Save 29.6%

GIA | 0.92ct | Heart | F | SI2 | Excellent

From $1,135

Compare at $1,612

3 stores
GIA | 0.92ct | Heart | F | SI2 | Excellent
Save 11.2%

GIA | 0.92ct | Heart | F | SI2 | Excellent

From $1,139

Compare at $1,283

5 stores
GIA | 0.91ct | Heart | J | VS1 | Excellent

GIA | 0.91ct | Heart | J | VS1 | Excellent

From $1,145

Compare at $1,224

3 stores
GIA | 0.91ct | Heart | E | SI2 | Very Good
Save 29.4%

GIA | 0.91ct | Heart | E | SI2 | Very Good

From $1,151

Compare at $1,631

5 stores
GIA | 0.96ct | Heart | J | VS2 | Ideal

GIA | 0.96ct | Heart | J | VS2 | Ideal

From $1,152

Compare at $1,191

2 stores
GIA | 0.93ct | Heart | G | SI1 | Excellent
Save 29.6%

GIA | 0.93ct | Heart | G | SI1 | Excellent

From $1,155

Compare at $1,641

6 stores
GIA | 0.93ct | Heart | G | SI1 | Excellent
Save 14.4%

GIA | 0.93ct | Heart | G | SI1 | Excellent

From $1,156

Compare at $1,350

6 stores
GIA | 0.96ct | Heart | K | VS2 | Excellent
Save 11.9%

GIA | 0.96ct | Heart | K | VS2 | Excellent

From $1,158

Compare at $1,315

3 stores
GIA | 0.96ct | Heart | I | SI1 | Excellent
Save 30.5%

GIA | 0.96ct | Heart | I | SI1 | Excellent

From $1,158

Compare at $1,667

4 stores
GIA | 0.92ct | Heart | F | SI2 | Ideal
Save 15.7%

GIA | 0.92ct | Heart | F | SI2 | Ideal

From $1,162

Compare at $1,379

2 stores
GIA | 0.94ct | Heart | K | VS1 | Excellent

GIA | 0.94ct | Heart | K | VS1 | Excellent

From $1,163

Compare at $1,190

3 stores
IGI | 0.91ct | Heart | J | IF | Very Good
Save 13.5%

IGI | 0.91ct | Heart | J | IF | Very Good

From $1,164

Compare at $1,345

3 stores
GIA | 0.91ct | Heart | K | VVS2 | Excellent

GIA | 0.91ct | Heart | K | VVS2 | Excellent

From $1,169

Compare at $1,230

3 stores
GIA | 0.91ct | Heart | K | VVS1 | Excellent
Save 20.1%

GIA | 0.91ct | Heart | K | VVS1 | Excellent

From $1,172

Compare at $1,466

3 stores
GIA | 0.96ct | Heart | K | VS1 | Very Good

GIA | 0.96ct | Heart | K | VS1 | Very Good

From $1,179

Compare at $1,198

2 stores
GIA | 0.92ct | Heart | I | VS1 | Ideal
Save 27.3%

GIA | 0.92ct | Heart | I | VS1 | Ideal

From $1,181

Compare at $1,624

4 stores

Entry pricing in this category starts around $573.

What to Know When Shopping for 0.9 Carat Heart Natural Diamonds

  1. Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $5,113 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 $2,067 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 684 comparable stones in this segment. Prices start around $573 and go up to $5,686.

Based on the latest market data, the average asking price is about $2,167 with a median around $2,067.

The observed spread is roughly $5,113 across tracked listings, which is about 89.9% from highest to lowest offer in this bucket.

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

Based on completed market data, the fair market benchmark is $2,167. The median price is $2,067, 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 6 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 $5,113 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 0.9 carat Heart diamonds.