8 Carat Heart Natural Diamond Prices Comparison

An 8 carat heart natural diamond typically costs $362,088 (median of 9 listings at 5 online stores), with most between $208,891 and $517,484. Average prices fell 2.1% over the last month. Updated .

Average $370,388. Listings run from $78,290 to $713,127 in the 8.00–8.99 carat range.

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Market Insights
Last updated: 2026-10-23

8 Carat Heart Natural Diamond Market Overview

CaratRadar currently tracks 9 verified 8-carat heart natural diamonds in the 8.00–8.99 carat benchmark range, listed across 5 online retailers. Prices in this segment range from $78,290 to $713,127, with an average asking price of $370,388 and a median of $362,088.

Across this category, asking prices span $634,837 (89.0% from the most expensive to the cheapest listing). The same certified diamond can also be listed at different prices by different retailers, which is why CaratRadar compares stones by certificate number.

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.

  • 9 diamonds tracked in the 8.00–8.99 carat benchmark

  • Price range: $78,290 to $713,127

  • Average price: $370,388

  • Median price: $362,088

  • Available across 5 retailers

  • Category price spread: 89.0%

All charts, listings, price matrices, shape comparisons, FAQs, and schema on this page use the same 8.00–8.99 carat benchmark range. How we calculate these prices

Price Range Overview

As of Oct 23, 2026
Spread $634,837

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

$78,290$713,127
Tracked

9

Lowest

$78,290

Average

$370,388

Median

$362,088

Highest

$713,127

Price History

Price Comparison Matrix

Compare nearby

Prices for the next carat weights, other shapes and the lab grown twin.

Live Listings

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Compare current retailer offers in the same benchmark range and open any listing for full details.

Entry pricing in this benchmark range starts around $78,290.

What to Know When Shopping for 8 Carat Heart Natural Diamonds

  1. Always compare identical certified diamonds across retailers, because the same certificate can be listed at different prices by different stores. Across this whole category, asking prices span $634,837 from the cheapest to the most expensive listing.
  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 $362,088 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 9 comparable stones in the 8.00–8.99 carat benchmark range. Prices start around $78,290 and go up to $713,127.

Based on the latest market data, the average asking price is about $370,388 with a median around $362,088.

The observed spread is roughly $634,837 across tracked listings, which is about 89.0% from highest to lowest offer in the 8.00–8.99 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 $370,388. The median price is $362,088, 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 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. Across this category, asking prices span $634,837 from the cheapest to the most expensive listing, and the same certified diamond can also carry different prices at different 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.

Tools and Guides

Tracking Natural inventory for the 8.00–8.99 carat Heart diamond benchmark.