1.8 Carat Heart Natural Diamond Prices Comparison

As of April 2026, 1.8 carat heart natural diamonds usually range from $2,730 to $27,986, with an average price of $10,312.In the last month, prices for these diamonds are down 0.6%.Compare 39 verified listings across 3 retailers tracked by CaratRadar.

Market Insights
Last updated: 2026-04-14

1.8 Carat Heart Natural Diamond Market Overview

CaratRadar currently tracks 39 verified 1.8-carat heart natural diamonds listed across 3 online retailers. Prices in this segment range from $2,730 to $27,986, with an average asking price of $10,312 and a median of $9,651.

The price spread of $25,256 (90.2% 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.

  • 39 diamonds tracked in this segment

  • Price range: $2,730 to $27,986

  • Average price: $10,312

  • Median price: $9,651

  • Available across 3 retailers

  • Savings potential: up to 90.2%

Price Range Overview

As of Apr 14, 2026
Spread $25,256

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

$2,730$27,986
Tracked

39

Lowest

$2,730

Average

$10,312

Median

$9,651

Highest

$27,986

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 | 1.81ct | Heart | H | VS2 | Excellent
Save 21%

GIA | 1.81ct | Heart | H | VS2 | Excellent

From $12,547

Compare at $15,877

4 stores
GIA | 1.81ct | Heart | I | VS1 | Excellent
Save 27.3%

GIA | 1.81ct | Heart | I | VS1 | Excellent

From $7,500

Compare at $10,311

5 stores
GIA | 1.81ct | Heart | G | VS1 | Excellent
Save 29%

GIA | 1.81ct | Heart | G | VS1 | Excellent

From $16,232

Compare at $22,864

4 stores
GIA | 1.81ct | Heart | D | SI2 | Excellent
Save 14.3%

GIA | 1.81ct | Heart | D | SI2 | Excellent

From $9,736

Compare at $11,354

3 stores
GIA | 1.81ct | Heart | I | VVS1 | Excellent
Save 27%

GIA | 1.81ct | Heart | I | VVS1 | Excellent

From $6,528

Compare at $8,947

3 stores
GIA | 1.81ct | Heart | E | VS2 | Ideal

GIA | 1.81ct | Heart | E | VS2 | Ideal

From $12,415

Compare at $12,955

3 stores
GIA | 1.81ct | Heart | H | SI1 | Very Good
Save 21.6%

GIA | 1.81ct | Heart | H | SI1 | Very Good

From $8,511

Compare at $10,851

4 stores
GIA | 1.81ct | Heart | G | SI2 | Ideal
Save 14.4%

GIA | 1.81ct | Heart | G | SI2 | Ideal

From $7,686

Compare at $8,981

3 stores
GIA | 1.81ct | Heart | F | SI1 | Very Good
Save 27.7%

GIA | 1.81ct | Heart | F | SI1 | Very Good

From $6,782

Compare at $9,380

3 stores
GIA | 1.81ct | Heart | D | VS2 | Ideal
Save 12.9%

GIA | 1.81ct | Heart | D | VS2 | Ideal

From $12,609

Compare at $14,470

4 stores
GIA | 1.81ct | Heart | H | SI1 | Excellent
Save 22.4%

GIA | 1.81ct | Heart | H | SI1 | Excellent

From $6,167

Compare at $7,942

5 stores
GIA | 1.81ct | Heart | F | SI2 | Excellent
Save 28.4%

GIA | 1.81ct | Heart | F | SI2 | Excellent

From $6,907

Compare at $9,651

3 stores
GIA | 1.81ct | Heart | G | SI1 | Excellent
Save 22.6%

GIA | 1.81ct | Heart | G | SI1 | Excellent

From $7,326

Compare at $9,460

3 stores
GIA | 1.81ct | Heart | F | SI2 | Very Good
Save 11.7%

GIA | 1.81ct | Heart | F | SI2 | Very Good

From $4,509

Compare at $5,107

2 stores
GIA | 1.81ct | Heart | I | VS1 | Very Good
Save 25%

GIA | 1.81ct | Heart | I | VS1 | Very Good

From $6,503

Compare at $8,676

3 stores
GIA | 1.81ct | Heart | D | VS1 | Excellent
Save 28.8%

GIA | 1.81ct | Heart | D | VS1 | Excellent

From $12,003

Compare at $16,853

4 stores
IGI | 1.81ct | Heart | H | VS1 | Very Good
Save 15.4%

IGI | 1.81ct | Heart | H | VS1 | Very Good

From $6,297

Compare at $7,447

2 stores
IGI | 1.81ct | Heart | G | SI1 | Very Good
Save 17.1%

IGI | 1.81ct | Heart | G | SI1 | Very Good

From $6,255

Compare at $7,546

2 stores
IGI | 1.81ct | Heart | H | SI1 | Very Good
Save 17.1%

IGI | 1.81ct | Heart | H | SI1 | Very Good

From $5,790

Compare at $6,986

2 stores
IGI | 1.81ct | Heart | H | VS2 | Ideal
Save 18%

IGI | 1.81ct | Heart | H | VS2 | Ideal

From $4,856

Compare at $5,919

2 stores
GIA | 1.82ct | Heart | I | VS2 | Excellent
Save 22.4%

GIA | 1.82ct | Heart | I | VS2 | Excellent

From $6,549

Compare at $8,445

5 stores
GIA | 1.82ct | Heart | G | VS2 | Excellent
Save 21.6%

GIA | 1.82ct | Heart | G | VS2 | Excellent

From $9,876

Compare at $12,598

5 stores
GIA | 1.82ct | Heart | E | VS2 | Excellent

GIA | 1.82ct | Heart | E | VS2 | Excellent

From $12,410

Compare at $12,942

2 stores
GIA | 1.82ct | Heart | F | VS1 | Very Good
Save 13.3%

GIA | 1.82ct | Heart | F | VS1 | Very Good

From $15,551

Compare at $17,930

4 stores
GIA | 1.82ct | Heart | J | SI1 | Excellent
Save 25.5%

GIA | 1.82ct | Heart | J | SI1 | Excellent

From $8,496

Compare at $11,397

4 stores
GIA | 1.82ct | Heart | H | SI2 | Excellent
Save 15.8%

GIA | 1.82ct | Heart | H | SI2 | Excellent

From $6,697

Compare at $7,956

4 stores
GIA | 1.83ct | Heart | I | VS1 | Excellent
Save 22.5%

GIA | 1.83ct | Heart | I | VS1 | Excellent

From $6,633

Compare at $8,560

3 stores
GIA | 1.83ct | Heart | G | VVS2 | Very Good

GIA | 1.83ct | Heart | G | VVS2 | Very Good

From $13,271

Compare at $14,256

2 stores
GIA | 1.83ct | Heart | H | SI1 | Excellent
Save 22.4%

GIA | 1.83ct | Heart | H | SI1 | Excellent

From $6,521

Compare at $8,409

4 stores
GIA | 1.83ct | Heart | H | SI1 | Excellent
Save 20.9%

GIA | 1.83ct | Heart | H | SI1 | Excellent

From $11,739

Compare at $14,847

4 stores
GIA | 1.84ct | Heart | D | VS1 | Ideal

GIA | 1.84ct | Heart | D | VS1 | Ideal

From $12,679

Compare at $13,180

2 stores
GIA | 1.84ct | Heart | I | SI1 | Excellent
Save 21.7%

GIA | 1.84ct | Heart | I | SI1 | Excellent

From $6,259

Compare at $7,996

2 stores
GIA | 1.85ct | Heart | I | SI2 | Excellent
Save 11.3%

GIA | 1.85ct | Heart | I | SI2 | Excellent

From $6,209

Compare at $6,997

2 stores
GIA | 1.85ct | Heart | I | SI2 | Ideal
Save 11.3%

GIA | 1.85ct | Heart | I | SI2 | Ideal

From $5,584

Compare at $6,293

2 stores
GIA | 1.86ct | Heart | H | VS1 | Excellent
Save 24.2%

GIA | 1.86ct | Heart | H | VS1 | Excellent

From $10,171

Compare at $13,415

4 stores
GIA | 1.86ct | Heart | H | VS2 | Excellent
Save 21.5%

GIA | 1.86ct | Heart | H | VS2 | Excellent

From $7,962

Compare at $10,141

4 stores
GIA | 1.87ct | Heart | E | SI2 | Very Good
Save 20.7%

GIA | 1.87ct | Heart | E | SI2 | Very Good

From $9,765

Compare at $12,320

3 stores
GIA | 1.87ct | Heart | K | SI2 | Ideal
Save 26.4%

GIA | 1.87ct | Heart | K | SI2 | Ideal

From $3,397

Compare at $4,614

2 stores
IGI | 1.87ct | Heart | G | VS2 | Very Good
Save 17.7%

IGI | 1.87ct | Heart | G | VS2 | Very Good

From $7,930

Compare at $9,635

3 stores

Entry pricing in this category starts around $2,730.

What to Know When Shopping for 1.8 Carat Heart Natural Diamonds

  1. Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $25,256 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 $9,651 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 39 comparable stones in this segment. Prices start around $2,730 and go up to $27,986.

Based on the latest market data, the average asking price is about $10,312 with a median around $9,651.

The observed spread is roughly $25,256 across tracked listings, which is about 90.2% 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 $9,651, 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 3 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 $25,256 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 Natural inventory for 1.8 carat Heart diamonds.