1.5 Carat Radiant Natural Diamond Prices Comparison
As of April 2026, 1.5 carat radiant natural diamonds usually range from $794 to $19,030, with an average price of $7,779.In the last month, prices for these diamonds are down 0.3%.Compare 1,245 verified listings across 8 retailers tracked by CaratRadar.
1.5 Carat Radiant Natural Diamond Market Overview
CaratRadar currently tracks 1,245 verified 1.5-carat radiant natural diamonds listed across 8 online retailers. Prices in this segment range from $794 to $19,030, with an average asking price of $7,779 and a median of $7,427.
The price spread of $18,236 (95.8% 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.
1,245 diamonds tracked in this segment
Price range: $794 to $19,030
Average price: $7,779
Median price: $7,427
Available across 8 retailers
Savings potential: up to 95.8%
Price Range Overview
As of Apr 15, 2026Real market range for this carat, shape, and diamond type.
1,245
$794
$7,779
$7,427
$19,030
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 13.7%GIA | 1.5ct | Radiant | J | VS2 | Excellent
From $5,743
Compare at $6,654
GIA | 1.5ct | Radiant | D | VS1 | Excellent
From $16,937
Compare at $18,504
Save 27%GIA | 1.5ct | Radiant | I | SI1 | Excellent
From $6,181
Compare at $8,472
GIA | 1.5ct | Radiant | I | VS2 | Excellent
From $9,726
Compare at $10,873
Save 27.7%GIA | 1.5ct | Radiant | G | SI1 | Ideal
From $6,210
Compare at $8,592
Save 26.5%GIA | 1.5ct | Radiant | I | SI1 | Ideal
From $5,197
Compare at $7,072
Save 30.7%GIA | 1.5ct | Radiant | D | VS2 | Excellent
From $9,849
Compare at $14,208
Save 15.2%GIA | 1.5ct | Radiant | J | SI1 | Excellent
From $4,258
Compare at $5,020
Save 21.6%GIA | 1.5ct | Radiant | H | VS1 | Very Good
From $9,568
Compare at $12,202
Save 13.7%GIA | 1.5ct | Radiant | J | VS2 | Excellent
From $6,158
Compare at $7,135
Save 31.3%GIA | 1.5ct | Radiant | H | SI2 | Excellent
From $5,801
Compare at $8,446
GIA | 1.5ct | Radiant | H | SI1 | Excellent
From $7,114
Compare at $7,812
Save 17.3%GIA | 1.5ct | Radiant | J | VS1 | Excellent
From $4,710
Compare at $5,694
Save 26.7%GIA | 1.5ct | Radiant | J | SI1 | Very Good
From $2,646
Compare at $3,610
Save 21.6%GIA | 1.5ct | Radiant | G | SI2 | Excellent
From $9,501
Compare at $12,114
GIA | 1.5ct | Radiant | F | SI2 | Excellent
From $6,290
Compare at $7,545
Save 23.4%GIA | 1.5ct | Radiant | I | VS2 | Excellent
From $5,610
Compare at $7,324
GIA | 1.5ct | Radiant | L | VS2 | Excellent
From $5,462
Compare at $5,563
GIA | 1.5ct | Radiant | H | SI1 | Excellent
From $6,216
Compare at $6,660
Save 21.7%GIA | 1.5ct | Radiant | F | SI1 | Excellent
From $10,571
Compare at $13,496
Save 22.4%GIA | 1.5ct | Radiant | I | SI1 | Excellent
From $5,757
Compare at $7,416
GIA | 1.5ct | Radiant | I | VS2 | Excellent
From $9,790
Compare at $10,945
GIA | 1.5ct | Radiant | H | VS1 | Excellent
From $9,954
Compare at $11,127
Save 21.6%GIA | 1.5ct | Radiant | H | SI1 | Excellent
From $9,337
Compare at $11,903
Save 22.3%GIA | 1.5ct | Radiant | H | VS1 | Excellent
From $6,147
Compare at $7,916
Save 14.2%GIA | 1.5ct | Radiant | K | SI2 | Ideal
From $2,104
Compare at $2,451
GIA | 1.5ct | Radiant | F | SI2 | Ideal
From $3,661
Compare at $3,800
Save 30.6%GIA | 1.5ct | Radiant | I | SI1 | Excellent
From $3,069
Compare at $4,420
Save 14.9%GIA | 1.5ct | Radiant | L | SI1 | Excellent
From $2,333
Compare at $2,740
Save 23.4%GIA | 1.5ct | Radiant | K | VVS2 | Excellent
From $5,610
Compare at $7,324
Save 17.5%GIA | 1.5ct | Radiant | K | SI1 | Ideal
From $2,979
Compare at $3,610
GIA | 1.5ct | Radiant | G | SI1 | Ideal
From $6,059
Compare at $6,495
Save 16.2%GIA | 1.5ct | Radiant | K | VS2 | Ideal
From $2,828
Compare at $3,375
Save 11.3%GIA | 1.5ct | Radiant | J | VVS2 | Excellent
From $4,908
Compare at $5,535
Save 22.3%GIA | 1.5ct | Radiant | I | VS1 | Excellent
From $8,897
Compare at $11,453
Save 22.5%GIA | 1.5ct | Radiant | I | VS2 | Excellent
From $7,194
Compare at $9,286
GIA | 1.5ct | Radiant | H | VS2 | Excellent
From $10,437
Compare at $11,664
GIA | 1.5ct | Radiant | G | VVS2 | Excellent
From $11,745
Compare at $13,466
GIA | 1.5ct | Radiant | I | SI1 | Excellent
From $8,064
Compare at $9,154
Save 15.2%GIA | 1.5ct | Radiant | H | VS2 | Excellent
From $7,178
Compare at $8,462
Save 22.3%GIA | 1.5ct | Radiant | H | VS1 | Excellent
From $8,897
Compare at $11,454
Save 17.3%GIA | 1.5ct | Radiant | K | VS1 | Excellent
From $3,867
Compare at $4,677
GIA | 1.5ct | Radiant | E | VS2 | Excellent
From $12,002
Compare at $12,430
Save 17.5%GIA | 1.5ct | Radiant | J | VS2 | Excellent
From $4,745
Compare at $5,750
GIA | 1.5ct | Radiant | I | VVS1 | Excellent
From $8,660
Save 20.2%GIA | 1.5ct | Radiant | K | SI1 | Excellent
From $2,684
Compare at $3,364
Save 22.1%GIA | 1.5ct | Radiant | D | SI1 | Excellent
From $8,230
Compare at $10,571
Save 23.8%GIA | 1.5ct | Radiant | D | VS2 | Excellent
From $9,677
Compare at $12,697
Save 14.4%GIA | 1.5ct | Radiant | F | SI2 | Ideal
From $5,594
Compare at $6,532
Save 22.6%GIA | 1.5ct | Radiant | H | VVS1 | Excellent
From $7,567
Compare at $9,774
Entry pricing in this category starts around $794.
What to Know When Shopping for 1.5 Carat Radiant Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $18,236 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 $7,427 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.
- Radiant cuts combine the elegance of emerald shapes with the brilliance of round cuts, offering good value per carat.
Frequently Asked Questions
We currently track 1,245 comparable stones in this segment. Prices start around $794 and go up to $19,030.
Based on the latest market data, the average asking price is about $7,779 with a median around $7,427.
The observed spread is roughly $18,236 across tracked listings, which is about 95.8% 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 $7,427, 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 8 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 $18,236 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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