1.5 Carat Oval Natural Diamond Prices Comparison
As of May 2026, 1.5 carat oval natural diamonds usually range from $457 to $22,228, with an average price of $8,742.In the last month, prices for these diamonds are up 0.1%.Compare 5,340 verified listings across 11 retailers tracked by CaratRadar.
1.5 Carat Oval Natural Diamond Market Overview
CaratRadar currently tracks 5,340 verified 1.5-carat oval natural diamonds listed across 11 online retailers. Prices in this segment range from $457 to $22,228, with an average asking price of $8,742 and a median of $8,446.
The price spread of $21,771 (97.9% 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.
5,340 diamonds tracked in this segment
Price range: $457 to $22,228
Average price: $8,742
Median price: $8,446
Available across 11 retailers
Savings potential: up to 97.9%
Price Range Overview
As of May 29, 2026Real market range for this carat, shape, and diamond type.
5,340
$457
$8,742
$8,446
$22,228
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 33.2%GIA | 1.51ct | Oval | L | SI2 | Ideal
From $1,765
Compare at $2,642
Save 33.2%GIA | 1.51ct | Oval | J | SI2 | Ideal
From $1,962
Compare at $2,935
Save 34.5%GIA | 1.5ct | Oval | J | SI2 | Ideal
From $1,973
Compare at $3,012
GIA | 1.5ct | Oval | L | SI2 | Excellent
From $2,005
Compare at $2,114
Save 33.2%GIA | 1.5ct | Oval | L | SI2 | Excellent
From $2,055
Compare at $3,074
Save 33.2%GIA | 1.5ct | Oval | L | SI2 | Very Good
From $2,055
Compare at $3,074
Save 14.5%GIA | 1.5ct | Oval | L | SI2 | Very Good
From $2,072
Compare at $2,424
Save 17%IGI | 1.5ct | Oval | K | SI1 | Ideal
From $2,100
Compare at $2,529
Save 17%IGI | 1.5ct | Oval | K | SI1 | Ideal
From $2,100
Compare at $2,529
GIA | 1.5ct | Oval | L | SI2 | Very Good
From $2,153
Compare at $2,269
Save 12.6%IGI | 1.5ct | Oval | K | VS2 | Very Good
From $2,185
Compare at $2,501
Save 33.1%GIA | 1.51ct | Oval | L | SI2 | Very Good
From $2,187
Compare at $3,270
Save 33.1%GIA | 1.51ct | Oval | L | SI2 | Very Good
From $2,187
Compare at $3,270
Save 33.1%GIA | 1.5ct | Oval | L | SI1 | Very Good
From $2,192
Compare at $3,277
Save 33.1%GIA | 1.5ct | Oval | L | SI1 | Excellent
From $2,192
Compare at $3,277
Save 33.1%GIA | 1.5ct | Oval | L | SI1 | Excellent
From $2,192
Compare at $3,277
Save 33.1%GIA | 1.5ct | Oval | L | SI1 | Good
From $2,192
Compare at $3,277
Save 14.5%GIA | 1.5ct | Oval | L | SI2 | Excellent
From $2,205
Compare at $2,579
Save 26.5%GIA | 1.51ct | Oval | L | SI2 | Excellent
From $2,206
Compare at $3,003
GIA | 1.5ct | Oval | L | SI2 | Excellent
From $2,228
Compare at $2,346
Save 23.1%GIA | 1.5ct | Oval | K | SI2 | Excellent
From $2,247
Compare at $2,922
IGI | 1.55ct | Oval | K | SI1 | Very Good
From $2,247
Compare at $2,261
Save 26.3%GIA | 1.5ct | Oval | L | SI2 | Excellent
From $2,272
Compare at $3,082
Save 34.9%GIA | 1.5ct | Oval | K | SI1 | Excellent
From $2,306
Compare at $3,544
Save 11.4%GIA | 1.51ct | Oval | K | SI1 | Ideal
From $2,333
Compare at $2,634
Save 33.1%GIA | 1.5ct | Oval | L | SI2 | Excellent
From $2,349
Compare at $3,510
Save 33.1%GIA | 1.5ct | Oval | L | SI2 | Very Good
From $2,349
Compare at $3,510
Save 33.1%GIA | 1.5ct | Oval | L | SI2 | Ideal
From $2,349
Compare at $3,510
Save 33.7%GIA | 1.51ct | Oval | L | SI2 | Excellent
From $2,365
Compare at $3,568
Save 13.5%IGI | 1.5ct | Oval | K | VS1 | Very Good
From $2,365
Compare at $2,735
Save 12.6%GIA | 1.51ct | Oval | L | SI1 | Excellent
From $2,368
Compare at $2,710
Save 39.9%GIA | 1.5ct | Oval | L | SI2 | Excellent
From $2,369
Compare at $3,940
IGI | 1.54ct | Oval | K | VS2 | Very Good
From $2,374
Compare at $2,375
IGI | 1.5ct | Oval | K | SI1 | Very Good
From $2,375
Compare at $2,375
Save 11.8%IGI | 1.51ct | Oval | K | VVS2 | Very Good
From $2,385
Compare at $2,705
Save 39.9%GIA | 1.52ct | Oval | L | SI2 | Excellent
From $2,401
Compare at $3,992
Save 30%GIA | 1.53ct | Oval | L | SI2 | Excellent
From $2,417
Compare at $3,453
GIA | 1.51ct | Oval | L | SI2 | Excellent
From $2,418
Compare at $2,639
Save 13.5%GIA | 1.5ct | Oval | L | SI2 | Excellent
From $2,445
Compare at $2,827
Save 20.8%IGI | 1.5ct | Oval | K | SI1 | Very Good
From $2,450
Compare at $3,094
Save 26.1%GIA | 1.51ct | Oval | K | SI2 | Excellent
From $2,452
Compare at $3,317
Save 12.6%GIA | 1.52ct | Oval | L | SI1 | Very Good
From $2,456
Compare at $2,809
Save 26.1%GIA | 1.5ct | Oval | K | SI2 | Excellent
From $2,457
Compare at $3,323
Save 15.6%IGI | 1.5ct | Oval | K | SI1 | Very Good
From $2,460
Compare at $2,914
Save 15.6%IGI | 1.5ct | Oval | K | SI1 | Very Good
From $2,460
Compare at $2,914
Save 19.2%IGI | 1.5ct | Oval | K | VS1 | Very Good
From $2,460
Compare at $3,044
Save 30%GIA | 1.5ct | Oval | L | SI2 | Excellent
From $2,475
Compare at $3,535
Save 38.5%GIA | 1.55ct | Oval | L | VVS1 | Good
From $2,475
Compare at $4,027
Save 17.7%IGI | 1.51ct | Oval | J | SI1 | Very Good
From $2,475
Compare at $3,008
Save 14.3%IGI | 1.51ct | Oval | J | SI1 | Very Good
From $2,475
Compare at $2,888
Entry pricing in this category starts around $457.
What to Know When Shopping for 1.5 Carat Oval Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $21,771 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 $8,446 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.
- Oval diamonds can appear larger than rounds of the same carat weight due to their elongated face-up area. Watch for the bow-tie effect in lower-quality cuts.
Frequently Asked Questions
We currently track 5,340 comparable stones in this segment. Prices start around $457 and go up to $22,228.
Based on the latest market data, the average asking price is about $8,742 with a median around $8,446.
The observed spread is roughly $21,771 across tracked listings, which is about 97.9% from highest to lowest offer in this bucket.
We refresh pricing data daily so these pages stay current with market changes.
Based on completed market data, the fair market benchmark is $8,742. The median price is $8,446, 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 11 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 $21,771 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 Oval diamonds.