4.5 Carat Heart Natural Diamond Prices Comparison
As of October 2026, 4.5 carat heart natural diamonds in the 4.50–4.99 carat benchmark range usually range from $1,959 to $246,427, with an average price of $85,840.In the last month, prices for these diamonds are down 0.1%.Compare 13 verified listings across 6 retailers tracked by CaratRadar.
4.5 Carat Heart Natural Diamond Market Overview
CaratRadar currently tracks 13 verified 4.5-carat heart natural diamonds in the 4.50–4.99 carat benchmark range, listed across 6 online retailers. Prices in this segment range from $1,959 to $246,427, with an average asking price of $85,840 and a median of $81,723.
The price spread of $244,468 (99.2% 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 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.
13 diamonds tracked in the 4.50–4.99 carat benchmark
Price range: $1,959 to $246,427
Average price: $85,840
Median price: $81,723
Available across 6 retailers
Savings potential: up to 99.2%
Price Range Overview
As of Oct 12, 2026Real market range for this carat, shape, and diamond type.
13
$1,959
$85,840
$81,723
$246,427
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers in the same benchmark range and open any listing for full details.
HRD | 4.52ct | Heart | K | IF | Ideal
From $25,852
Compare at $28,760
IGI | 4.57ct | Heart | J | VVS1 | Ideal
From $48,159
Compare at $53,745

GIA | 4.5ct | Heart | G | SI2 | Excellent
From $55,132
Compare at $60,750
IGI | 4.52ct | Heart | I | SI1 | Ideal
From $56,778
Compare at $63,389
IGI | 4.75ct | Heart | I | VVS2 | Very Good
From $59,483
Compare at $68,663
Save 20.8%GIA | 4.5ct | Heart | D | VS2 | Excellent
From $61,045
Compare at $77,102
GIA | 4.53ct | Heart | I | VS2 | Excellent
From $62,570
Compare at $69,430
GIA | 4.52ct | Heart | E | SI1 | Excellent
From $106,940
Compare at $136,766
Save 16.2%GIA | 4.5ct | Heart | E | VVS1 | Very Good
From $108,294
Compare at $129,271

GIA | 4.51ct | Heart | E | VS2 | Very Good
From $118,824
Compare at $129,184
GIA | 4.52ct | Heart | D | FL | Very Good
From $155,811
Compare at $167,835

GIA | 4.67ct | Heart | D | FL | Excellent
From $176,017
Compare at $181,236
GIA | 4.65ct | Heart | D | IF | Excellent
From $185,245
Compare at $196,859
Entry pricing in this benchmark range starts around $1,959.
What to Know When Shopping for 4.5 Carat Heart Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $244,468 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 $81,723 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 13 comparable stones in the 4.50–4.99 carat benchmark range. Prices start around $1,959 and go up to $246,427.
Based on the latest market data, the average asking price is about $85,840 with a median around $81,723.
The observed spread is roughly $244,468 across tracked listings, which is about 99.2% from highest to lowest offer in the 4.50–4.99 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 $85,840. The median price is $81,723, 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 $244,468 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 the 4.50–4.99 carat Heart diamond benchmark.