2.9 Carat Round Natural Diamond Prices Comparison
As of May 2026, 2.9 carat round natural diamonds usually range from $808 to $114,960, with an average price of $41,134.In the last month, prices for these diamonds are up 1.1%.Compare 97 verified listings across 9 retailers tracked by CaratRadar.
2.9 Carat Round Natural Diamond Market Overview
CaratRadar currently tracks 97 verified 2.9-carat round natural diamonds listed across 9 online retailers. Prices in this segment range from $808 to $114,960, with an average asking price of $41,134 and a median of $39,123.
The price spread of $114,152 (99.3% 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.
97 diamonds tracked in this segment
Price range: $808 to $114,960
Average price: $41,134
Median price: $39,123
Available across 9 retailers
Savings potential: up to 99.3%
Price Range Overview
As of May 29, 2026Real market range for this carat, shape, and diamond type.
97
$808
$41,134
$39,123
$114,960
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 17.4%GIA | 2.9ct | Round | L | VS2 | Excellent
From $12,482
Compare at $15,110
Save 10.8%IGI | 2.9ct | Round | J | SI1 | Excellent
From $13,335
Compare at $14,943
IGI | 2.9ct | Round | K | VS1 | Ideal
From $13,905
Compare at $15,144
Save 24.6%GIA | 2.93ct | Round | K | SI1 | Very Good
From $15,079
Compare at $19,994
Save 15.7%IGI | 2.94ct | Round | K | VVS1 | Excellent
From $15,455
Compare at $18,324
Save 27.2%GIA | 2.9ct | Round | L | SI1 | Excellent
From $15,535
Compare at $21,341
IGI | 2.93ct | Round | K | VVS2 | Excellent
From $17,027
Compare at $17,375
Save 11%IGI | 2.9ct | Round | J | VS2 | Excellent
From $17,405
Compare at $19,556
Save 11%IGI | 2.9ct | Round | J | VVS2 | Excellent
From $18,515
Compare at $20,812
Save 35.4%GIA | 2.9ct | Round | J | SI2 | Excellent
From $18,521
Compare at $28,681
IGI | 2.9ct | Round | J | VS1 | Excellent
From $18,915
Compare at $21,263
Save 38.3%GIA | 2.9ct | Round | J | SI1 | Excellent
From $18,929
Compare at $30,680
Save 10.1%IGI | 2.97ct | Round | J | VVS1 | Excellent
From $19,320
Compare at $21,487
Save 16.3%IGI | 2.9ct | Round | J | VVS1 | Excellent
From $19,950
Compare at $23,833
Save 18.4%GIA | 2.9ct | Round | J | VS2 | Ideal
From $21,335
Compare at $26,157
Save 14.7%IGI | 2.94ct | Round | I | VVS2 | Excellent
From $22,040
Compare at $25,828
IGI | 2.94ct | Round | I | VS2 | Excellent
From $22,050
Compare at $23,138
Save 35.2%GIA | 2.9ct | Round | I | SI2 | Excellent
From $22,202
Compare at $34,245
Save 16.4%IGI | 2.9ct | Round | I | VVS2 | Excellent
From $22,920
Compare at $27,403
Save 37%GIA | 2.9ct | Round | J | VS2 | Excellent
From $22,935
Compare at $36,413
IGI | 2.92ct | Round | I | VVS1 | Excellent
From $22,985
Compare at $25,460
Save 29.7%GIA | 2.97ct | Round | K | VS2 | Excellent
From $23,054
Compare at $32,781
IGI | 2.9ct | Round | H | SI1 | Excellent
From $23,920
Compare at $26,502
IGI | 2.9ct | Round | H | SI1 | Excellent
From $24,195
Compare at $26,806
IGI | 2.9ct | Round | I | VVS1 | Excellent
From $24,393
Compare at $25,894
IGI | 2.9ct | Round | I | VVS2 | Excellent
From $25,166
Compare at $26,869
Save 36.2%GIA | 2.9ct | Round | I | SI1 | Excellent
From $26,003
Compare at $40,758
Save 35.7%GIA | 2.9ct | Round | I | VS2 | Excellent
From $26,210
Compare at $40,781
Save 29.8%GIA | 2.9ct | Round | H | SI2 | Excellent
From $26,518
Compare at $37,800
Save 17.4%GIA | 2.9ct | Round | I | VS2 | Ideal
From $26,700
Compare at $32,337
Save 29.8%GIA | 2.9ct | Round | E | SI2 | Ideal
From $27,807
Compare at $39,629
IGI | 2.9ct | Round | H | VVS1 | Ideal
From $29,030
Compare at $32,190
GIA | 2.9ct | Round | J | VVS2 | Excellent
From $29,180
Compare at $30,486
Save 15.6%GIA | 2.93ct | Round | H | SI1 | Ideal
From $29,250
Compare at $34,666
Save 10.3%GIA | 2.95ct | Round | I | VS2 | Ideal
From $29,765
Compare at $33,201
Save 29.8%GIA | 2.95ct | Round | I | VS2 | Excellent
From $29,910
Compare at $42,611
Save 35.6%GIA | 2.92ct | Round | H | SI1 | Excellent
From $30,223
Compare at $46,947
GIA | 2.9ct | Round | I | VS1 | Excellent
From $31,455
Compare at $34,038
GIA | 2.9ct | Round | I | VS1 | Excellent
From $31,455
Compare at $34,834
Save 18.1%GIA | 2.9ct | Round | I | VVS2 | Excellent
From $31,605
Compare at $38,613
Save 35.5%GIA | 2.91ct | Round | I | VVS1 | Excellent
From $32,650
Compare at $50,583
Save 13.5%GIA | 2.9ct | Round | G | VS1 | Excellent
From $32,934
Compare at $38,075
Save 15.8%IGI | 2.9ct | Round | G | VS1 | Excellent
From $33,195
Compare at $39,418
Save 33.8%GIA | 2.95ct | Round | J | IF | Ideal
From $34,855
Compare at $52,638
IGI | 2.93ct | Round | G | VVS1 | Excellent
From $35,790
Compare at $39,277
Save 14.6%GIA | 2.9ct | Round | F | SI1 | Excellent
From $36,099
Compare at $42,262
Save 23.3%GIA | 2.9ct | Round | G | VS2 | Excellent
From $36,322
Compare at $47,370
Save 15%GIA | 2.9ct | Round | H | VS1 | Ideal
From $36,406
Compare at $42,836
Save 11.5%GIA | 2.99ct | Round | F | VVS2 | Excellent
From $36,952
Compare at $41,760
Save 33.6%GIA | 2.9ct | Round | G | VS2 | Excellent
From $38,071
Compare at $57,343
Entry pricing in this category starts around $808.
What to Know When Shopping for 2.9 Carat Round Natural Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $114,152 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 $39,123 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 97 comparable stones in this segment. Prices start around $808 and go up to $114,960.
Based on the latest market data, the average asking price is about $41,134 with a median around $39,123.
The observed spread is roughly $114,152 across tracked listings, which is about 99.3% 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 $41,134. The median price is $39,123, 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 9 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 $114,152 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 2.9 carat Round diamonds.