1.8 Carat Heart Natural Diamond Prices Comparison
As of May 2026, 1.8 carat heart natural diamonds usually range from $2,700 to $26,537, with an average price of $10,157.In the last month, prices for these diamonds are down 0.6%.Compare 42 verified listings across 6 retailers tracked by CaratRadar.
1.8 Carat Heart Natural Diamond Market Overview
CaratRadar currently tracks 42 verified 1.8-carat heart natural diamonds listed across 6 online retailers. Prices in this segment range from $2,700 to $26,537, with an average asking price of $10,157 and a median of $9,575.
The price spread of $23,837 (89.8% 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.
42 diamonds tracked in this segment
Price range: $2,700 to $26,537
Average price: $10,157
Median price: $9,575
Available across 6 retailers
Savings potential: up to 89.8%
Price Range Overview
As of May 29, 2026Real market range for this carat, shape, and diamond type.
42
$2,700
$10,157
$9,575
$26,537
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
Save 12.4%IGI | 1.81ct | Heart | H | VS2 | Ideal
From $4,745
Compare at $5,414
Save 22.3%GIA | 1.81ct | Heart | K | SI2 | Excellent
From $4,878
Compare at $6,276
Save 29.7%GIA | 1.81ct | Heart | H | SI1 | Excellent
From $5,580
Compare at $7,942
Save 37%GIA | 1.83ct | Heart | I | VS1 | Excellent
From $5,605
Compare at $8,900
GIA | 1.84ct | Heart | I | SI1 | Very Good
From $5,670
Compare at $5,813
Save 11.9%IGI | 1.81ct | Heart | H | SI1 | Very Good
From $5,705
Compare at $6,479
Save 29.9%GIA | 1.83ct | Heart | H | SI1 | Excellent
From $5,891
Compare at $8,409
Save 17.5%GIA | 1.83ct | Heart | I | SI2 | Ideal
From $5,957
Compare at $7,217
Save 37.5%GIA | 1.83ct | Heart | J | SI1 | Excellent
From $5,983
Compare at $9,580
Save 20.1%GIA | 1.84ct | Heart | I | SI1 | Excellent
From $6,018
Compare at $7,527
Save 36.4%GIA | 1.81ct | Heart | I | VS1 | Very Good
From $6,092
Compare at $9,575
Save 11.9%IGI | 1.81ct | Heart | G | SI1 | Very Good
From $6,165
Compare at $6,997
IGI | 1.81ct | Heart | H | VS1 | Very Good
From $6,360
Compare at $6,948
GIA | 1.81ct | Heart | I | SI1 | Ideal
From $6,429
Compare at $6,883
Save 16.7%GIA | 1.81ct | Heart | E | SI1 | Excellent
From $6,463
Compare at $7,755
Save 17.8%GIA | 1.85ct | Heart | K | VS2 | Excellent
From $6,553
Compare at $7,976
Save 21.7%GIA | 1.82ct | Heart | I | VS2 | Excellent
From $6,615
Compare at $8,445
Save 10.5%GIA | 1.81ct | Heart | I | VVS1 | Excellent
From $6,765
Compare at $7,557
Save 29.1%GIA | 1.81ct | Heart | F | SI2 | Excellent
From $6,845
Compare at $9,651
Save 24.1%GIA | 1.81ct | Heart | G | SI1 | Excellent
From $7,177
Compare at $9,459
Save 26.1%GIA | 1.81ct | Heart | D | SI1 | Excellent
From $7,229
Compare at $9,784
Save 30.8%GIA | 1.82ct | Heart | H | SI2 | Excellent
From $7,482
Compare at $10,810
Save 14.7%IGI | 1.87ct | Heart | G | VS2 | Very Good
From $7,620
Compare at $8,931
Save 32%GIA | 1.81ct | Heart | G | SI2 | Ideal
From $7,698
Compare at $11,325
Save 23%GIA | 1.86ct | Heart | H | VS2 | Excellent
From $7,812
Compare at $10,145
Save 22.9%GIA | 1.81ct | Heart | I | VS1 | Excellent
From $7,946
Compare at $10,312
Save 23.5%GIA | 1.86ct | Heart | J | SI2 | Excellent
From $7,955
Compare at $10,400
Save 26.4%GIA | 1.83ct | Heart | J | VS2 | Excellent
From $8,000
Compare at $10,868
Save 21.8%GIA | 1.81ct | Heart | H | SI1 | Very Good
From $8,486
Compare at $10,855
Save 26.7%GIA | 1.82ct | Heart | G | VS2 | Excellent
From $9,230
Compare at $12,599
Save 31.2%GIA | 1.82ct | Heart | J | SI1 | Excellent
From $9,239
Compare at $13,438
Save 27%GIA | 1.86ct | Heart | H | VS1 | Excellent
From $9,795
Compare at $13,416
Save 25.4%GIA | 1.82ct | Heart | F | SI2 | Excellent
From $10,090
Compare at $13,522
Save 32.9%GIA | 1.81ct | Heart | D | SI2 | Excellent
From $10,684
Compare at $15,912
Save 37.4%GIA | 1.82ct | Heart | E | VS2 | Excellent
From $11,059
Compare at $17,665
Save 26.9%GIA | 1.87ct | Heart | E | SI2 | Very Good
From $11,388
Compare at $15,585
Save 22.7%GIA | 1.83ct | Heart | H | SI1 | Excellent
From $11,483
Compare at $14,850
GIA | 1.81ct | Heart | E | VS2 | Ideal
From $11,878
Compare at $12,040
Save 22.8%GIA | 1.81ct | Heart | H | VS2 | Excellent
From $12,255
Compare at $15,880
Save 30.5%GIA | 1.81ct | Heart | D | VS2 | Ideal
From $12,696
Compare at $18,257
Save 30.1%GIA | 1.81ct | Heart | D | VS1 | Excellent
From $12,884
Compare at $18,424
Save 27.8%GIA | 1.81ct | Heart | G | VS1 | Excellent
From $15,925
Compare at $22,062
Entry pricing in this category starts around $2,700.
What to Know When Shopping for 1.8 Carat Heart Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $23,837 or more.
- 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.
- The median price of $9,575 is a useful benchmark. If you see a deal significantly below this, verify the retailer's reputation and return policy.
- 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.
- Compare natural vs. lab-grown options for the same carat and shape. Lab-grown diamonds are chemically identical but often 30-50% less expensive.
- Check shipping, insurance, and return policies. The lowest sticker price is not always the best deal once you factor in total cost of purchase.
- 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 42 comparable stones in this segment. Prices start around $2,700 and go up to $26,537.
Based on the latest market data, the average asking price is about $10,157 with a median around $9,575.
The observed spread is roughly $23,837 across tracked listings, which is about 89.8% 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 $10,157. The median price is $9,575, 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 $23,837 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.