1.8 Carat Heart Natural Diamond Prices Comparison
As of February 2026, 1.8 carat heart natural diamonds usually range from $546 to $21,343, with an average price of $9,671.In the last month, prices for these diamonds are down 1.6%.Compare 69 verified listings across 5 retailers tracked by CaratRadar.
1.8 Carat Heart Natural Diamond Market Overview
CaratRadar currently tracks 69 verified 1.8-carat heart natural diamonds listed across 5 online retailers. Prices in this segment range from $546 to $21,343, with an average asking price of $9,671 and a median of $8,810.
The price spread of $20,797 (97.4% 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.
69 diamonds tracked in this segment
Price range: $546 to $21,343
Average price: $9,671
Median price: $8,810
Available across 5 retailers
Savings potential: up to 97.4%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
69
$546
$9,671
$8,810
$21,343
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
GIASave 40.3%1.75ct | Heart | K | SI1 | Very Good
From $3,571
Compare at $5,983
GIA1.75ct | Heart | E | VS1 | Excellent
From $21,172
Compare at $21,692
GIASave 30.6%1.75ct | Heart | F | VS1 | Excellent
From $10,798
Compare at $15,560
GIASave 23.2%1.75ct | Heart | D | VS2 | Excellent
From $10,313
Compare at $13,420
IGISave 51.9%1.75ct | Heart | FANCY | VS2 | Very Good
From $663
Compare at $1,379
GIASave 13.4%1.75ct | Heart | I | VS2 | Excellent
From $7,080
Compare at $8,172
GIA1.75ct | Heart | E | SI1 | Excellent
From $7,045
Compare at $7,217
GIA1.76ct | Heart | J | SI1 | Excellent
From $10,004
Compare at $10,038
GIASave 36.2%1.76ct | Heart | F | VS2 | Ideal
From $11,849
Compare at $18,585
GIASave 33.5%1.76ct | Heart | D | VVS2 | Excellent
From $16,448
Compare at $24,731
IGISave 40.7%1.77ct | Heart | FANCY | VS1 | Very Good
From $681
Compare at $1,148
IGISave 51.3%1.77ct | Heart | FANCY | VVS2 | Good
From $998
Compare at $2,050
GIA1.79ct | Heart | D | VS2 | Excellent
From $18,824
Compare at $19,135
GIASave 24.5%1.79ct | Heart | H | SI1 | Excellent
From $9,935
Compare at $13,161
GIA1.79ct | Heart | G | VS2 | Excellent
From $19,539
Compare at $19,843
GIA1.79ct | Heart | D | SI2 | Ideal
From $6,970
Compare at $7,058
GIASave 21.5%1.8ct | Heart | I | SI2 | Excellent
From $4,977
Compare at $6,340
GIA1.8ct | Heart | I | SI2 | Good
From $6,156
Compare at $6,175
GIA1.8ct | Heart | G | VVS2 | Very Good
From $13,051
Compare at $13,290
GIA1.8ct | Heart | G | VS2 | Excellent
From $18,606
Compare at $18,919
GIA1.8ct | Heart | F | VS1 | Excellent
From $10,924
Compare at $11,336
GIASave 32.6%1.8ct | Heart | G | VS2 | Excellent
From $12,159
Compare at $18,053
GIASave 37.3%1.8ct | Heart | D | SI1 | Excellent
From $9,270
Compare at $14,773
GIA1.8ct | Heart | D | VS2 | Excellent
From $14,384
Compare at $15,503
GIA1.8ct | Heart | E | SI2 | Excellent
From $9,850
Compare at $9,922
GIA1.8ct | Heart | I | VVS2 | Excellent
From $8,721
Compare at $9,228
GIA1.8ct | Heart | J | SI1 | Excellent
From $6,350
Compare at $6,620
GIASave 20%1.8ct | Heart | H | VS1 | Excellent
From $9,842
Compare at $12,299
GIA1.8ct | Heart | H | SI2 | Very Good
From $4,600
Compare at $4,927
GIA1.8ct | Heart | H | SI1 | Excellent
From $8,203
Compare at $8,357
GIA1.8ct | Heart | L | VVS1 | Very Good
From $7,365
Compare at $7,563
GIA1.8ct | Heart | F | SI2 | Excellent
From $8,810
Compare at $9,396
GIA1.8ct | Heart | F | SI1 | Excellent
From $11,273
Compare at $12,447
GIASave 81.7%1.8ct | Heart | D | VVS2 | Excellent
From $948
Compare at $5,170
GIASave 37.5%1.8ct | Heart | G | VVS2 | Very Good
From $14,150
Compare at $22,627
GIA1.8ct | Heart | K | SI2 | Excellent
From $3,018
Compare at $3,064
GIA1.8ct | Heart | F | VS2 | Very Good
From $10,300
Compare at $10,882
GIASave 23.7%1.8ct | Heart | F | SI1 | Excellent
From $8,746
Compare at $11,467
GIASave 17.6%1.8ct | Heart | H | SI1 | Excellent
From $7,734
Compare at $9,390
GIA1.8ct | Heart | G | SI1 | Excellent
From $15,729
Compare at $15,777
GIA1.8ct | Heart | K | SI2 | Excellent
From $4,702
Compare at $4,721
GIA1.8ct | Heart | D | VS1 | Excellent
From $21,343
Compare at $21,863
GIA1.8ct | Heart | G | VS2 | Excellent
From $12,124
Compare at $12,677
GIA1.81ct | Heart | H | VS2 | Excellent
From $15,826
Compare at $15,877
GIASave 32.7%1.81ct | Heart | D | VS2 | Ideal
From $15,042
Compare at $22,340
GIASave 12.9%1.81ct | Heart | H | SI1 | Excellent
From $6,920
Compare at $7,942
GIASave 31.6%1.81ct | Heart | E | VS2 | Ideal
From $14,141
Compare at $20,672
GIASave 25.4%1.81ct | Heart | F | SI2 | Excellent
From $7,197
Compare at $9,651
GIASave 33.9%1.81ct | Heart | J | SI1 | Excellent
From $7,440
Compare at $11,256
GIASave 21.4%1.81ct | Heart | I | SI1 | Excellent
From $5,400
Compare at $6,869
Entry pricing in this category starts around $546.
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 $20,797 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 $8,810 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 69 comparable stones in this segment. Prices start around $546 and go up to $21,343.
Based on the latest market data, the average asking price is about $9,671 with a median around $8,810.
The observed spread is roughly $20,797 across tracked listings, which is about 97.4% 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 $8,810, 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 5 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 $20,797 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.