1.5 Carat Round Natural Diamond Prices Comparison
As of February 2026, 1.5 carat round natural diamonds usually range from $481 to $43,475, with an average price of $8,385.In the last month, prices for these diamonds are down 1%.Compare 5,169 verified listings across 10 retailers tracked by CaratRadar.
1.5 Carat Round Natural Diamond Market Overview
CaratRadar currently tracks 5,169 verified 1.5-carat round natural diamonds listed across 10 online retailers. Prices in this segment range from $481 to $43,475, with an average asking price of $8,385 and a median of $7,484.
The price spread of $42,994 (98.9% 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.
5,169 diamonds tracked in this segment
Price range: $481 to $43,475
Average price: $8,385
Median price: $7,484
Available across 10 retailers
Savings potential: up to 98.9%
Price Range Overview
As of Feb 28, 2026Real market range for this carat, shape, and diamond type.
5,169
$481
$8,385
$7,484
$43,475
Price History
Price Comparison Matrix
Live Listings
See all listingsCompare current retailer offers for this exact segment and open any listing for full details.
GIA1.45ct | Round | F | VVS2 | Ideal
From $11,661
Compare at $12,275
GIA1.45ct | Round | F | SI1 | Excellent
From $7,757
Compare at $8,103
IGISave 49.8%1.45ct | Round | FANCY | VS2 | Excellent
From $560
Compare at $1,116
IGISave 69.8%1.45ct | Round | E | VVS2 | Ideal
From $546
Compare at $1,805
GIASave 24.3%1.45ct | Round | H | VS2 | Excellent
From $5,983
Compare at $7,899
GIA1.45ct | Round | I | SI1 | Excellent
From $5,742
Compare at $5,905
GIASave 32%1.45ct | Round | H | VVS2 | Excellent
From $9,508
Compare at $13,988
GIA1.45ct | Round | J | SI1 | Very Good
From $5,146
Compare at $5,291
GIASave 32.8%1.45ct | Round | F | VVS1 | Excellent
From $13,960
Compare at $20,785
GIA1.45ct | Round | I | VS2 | Excellent
From $8,924
Compare at $9,252
GIASave 20.4%1.45ct | Round | E | VVS2 | Excellent
From $11,153
Compare at $14,003
IGISave 98.1%1.45ct | Round | D | VS1 | Excellent
From $515
Compare at $26,594
GIA1.45ct | Round | E | VVS2 | Ideal
From $9,769
Compare at $10,557
GIA1.45ct | Round | D | IF | Excellent
From $20,883
Compare at $22,620
GIASave 36.6%1.45ct | Round | D | VVS1 | Excellent
From $18,120
Compare at $28,582
GIASave 35.5%1.45ct | Round | D | IF | Excellent
From $20,883
Compare at $32,390
GIASave 13.3%1.45ct | Round | L | VVS1 | Excellent
From $4,377
Compare at $5,047
GIASave 31.5%1.45ct | Round | J | VS1 | Excellent
From $6,416
Compare at $9,367
GIA1.45ct | Round | D | IF | Excellent
From $22,183
Compare at $23,290
GIASave 19%1.45ct | Round | I | VS2 | Excellent
From $4,909
Compare at $6,062
GIA1.45ct | Round | D | VVS1 | Excellent
From $19,238
Compare at $19,966
GIASave 15.9%1.45ct | Round | L | VVS1 | Ideal
From $3,354
Compare at $3,988
IGISave 40.4%1.46ct | Round | E | VS1 | Ideal
From $555
Compare at $930
IGISave 37.7%1.46ct | Round | E | VS1 | Excellent
From $555
Compare at $890
GIASave 30.8%1.46ct | Round | J | VVS2 | Excellent
From $5,915
Compare at $8,551
IGISave 46.3%1.46ct | Round | FANCY | VS1 | Ideal
From $600
Compare at $1,119
IGISave 16.2%1.46ct | Round | F | VS1 | Ideal
From $534
Compare at $637
IGISave 61.9%1.46ct | Round | D | VS1 | Excellent
From $620
Compare at $1,630
GIA1.46ct | Round | E | VVS1 | Excellent
From $17,220
Compare at $17,730
GIA1.46ct | Round | E | SI1 | Excellent
From $8,515
Compare at $8,526
GIASave 23.3%1.46ct | Round | E | SI2 | Very Good
From $10,421
Compare at $13,582
IGISave 53.5%1.46ct | Round | FANCY | VS1 | Ideal
From $563
Compare at $1,210
IGISave 55%1.46ct | Round | E | VS2 | Ideal
From $533
Compare at $1,186
IGISave 61.7%1.46ct | Round | F | VVS2 | Ideal
From $620
Compare at $1,620
IGISave 56.1%1.46ct | Round | D | VVS2 | Excellent
From $637
Compare at $1,450
GIASave 25.5%1.46ct | Round | D | IF | Excellent
From $25,020
Compare at $33,591
GIASave 15.9%1.46ct | Round | E | IF | Excellent
From $9,657
Compare at $11,481
GIASave 37.2%1.46ct | Round | F | VS1 | Excellent
From $11,906
Compare at $18,966
GIA1.46ct | Round | F | VS1 | Excellent
From $11,862
Compare at $12,037
GIA1.46ct | Round | H | VVS1 | Excellent
From $7,044
Compare at $7,762
GIASave 41.1%1.46ct | Round | F | IF | Excellent
From $17,124
Compare at $29,093
GIASave 20.3%1.46ct | Round | F | VVS1 | Excellent
From $11,727
Compare at $14,721
GIA1.47ct | Round | K | SI1 | Excellent
From $4,848
Compare at $4,886
GIASave 12%1.47ct | Round | I | VS2 | Good
From $7,975
Compare at $9,059
GIA1.47ct | Round | E | VVS1 | Ideal
From $18,286
Compare at $18,672
GIASave 20%1.47ct | Round | K | SI1 | Ideal
From $3,715
Compare at $4,643
GIA1.47ct | Round | G | VVS2 | Ideal
From $8,490
Compare at $9,401
GIASave 33%1.47ct | Round | F | IF | Excellent
From $13,090
Compare at $19,525
GIA1.47ct | Round | G | IF | Good
From $13,868
Compare at $13,899
GIASave 32.9%1.47ct | Round | D | VS1 | Excellent
From $13,721
Compare at $20,439
Entry pricing in this category starts around $481.
What to Know When Shopping for 1.5 Carat Round Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $42,994 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 $7,484 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.
- Round brilliants command a premium due to higher rough waste during cutting. If budget matters, consider oval or cushion shapes for similar visual size.
Frequently Asked Questions
We currently track 5,169 comparable stones in this segment. Prices start around $481 and go up to $43,475.
Based on the latest market data, the average asking price is about $8,385 with a median around $7,484.
The observed spread is roughly $42,994 across tracked listings, which is about 98.9% 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 $7,484, 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 10 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 $42,994 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 1.5 carat Round diamonds.