10.5 Carat Round Lab Grown Diamond Prices Comparison
As of April 2026, 10.5 carat round lab grown diamonds usually range from $2,375 to $54,799, with an average price of $12,168.In the last month, prices for these diamonds are down 3%.Compare 59 verified listings across 6 retailers tracked by CaratRadar.
10.5 Carat Round Lab Grown Diamond Market Overview
CaratRadar currently tracks 59 verified 10.5-carat round lab grown diamonds listed across 6 online retailers. Prices in this segment range from $2,375 to $54,799, with an average asking price of $12,168 and a median of $10,194.
The price spread of $52,424 (95.7% 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.
59 diamonds tracked in this segment
Price range: $2,375 to $54,799
Average price: $12,168
Median price: $10,194
Available across 6 retailers
Savings potential: up to 95.7%
Price Range Overview
As of Apr 16, 2026Real market range for this carat, shape, and diamond type.
59
$2,375
$12,168
$10,194
$54,799
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 62.9%IGI | 10.5ct | Round | F | SI1 | Ideal
From $5,802
Compare at $15,630
Save 79.2%IGI | 10.5ct | Round | E | VS1 | Excellent
From $6,167
Compare at $29,680
Save 79.2%IGI | 10.5ct | Round | E | VS1 | Ideal
From $6,167
Compare at $29,680
Save 84.5%IGI | 10.5ct | Round | F | VS1 | Excellent
From $3,833
Compare at $24,790
Save 80.7%IGI | 10.5ct | Round | F | VVS2 | Ideal
From $5,412
Compare at $27,980
Save 26.7%IGI | 10.5ct | Round | F | VVS2 | Excellent
From $10,951
Compare at $14,948
Save 62.6%IGI | 10.5ct | Round | E | VVS2 | Ideal
From $8,479
Compare at $22,641
Save 26.9%IGI | 10.5ct | Round | F | VVS2 | Ideal
From $10,841
Compare at $14,823
Save 86.1%IGI | 10.51ct | Round | F | VVS2 | Ideal
From $3,896
Compare at $27,950
Save 81.3%IGI | 10.51ct | Round | G | VS1 | Ideal
From $4,085
Compare at $21,870
Save 61.4%IGI | 10.51ct | Round | H | VS1 | Ideal
From $4,241
Compare at $10,980
IGI | 10.51ct | Round | E | VS1 | Excellent
From $5,466
Compare at $5,682
IGI | 10.51ct | Round | G | VS1 | Ideal
From $4,521
Compare at $21,870
Save 82%IGI | 10.51ct | Round | F | VVS2 | Excellent
From $5,040
Compare at $28,000
Save 74.8%IGI | 10.51ct | Round | F | VVS2 | Ideal
From $5,231
Compare at $20,730
Save 77.6%IGI | 10.51ct | Round | E | VS1 | Ideal
From $6,100
Compare at $27,200
Save 60.6%IGI | 10.51ct | Round | F | VVS2 | Excellent
From $5,900
Compare at $14,962
Save 60.6%IGI | 10.51ct | Round | F | VVS2 | Excellent
From $5,851
Compare at $14,837
Save 60.6%IGI | 10.51ct | Round | F | VVS2 | Ideal
From $5,851
Compare at $14,837
Save 37.2%GIA | 10.52ct | Round | F | VS2 | Ideal
From $24,130
Compare at $38,398
Save 37.2%GIA | 10.52ct | Round | F | VS2 | Ideal
From $24,130
Compare at $38,398
Save 77.8%IGI | 10.52ct | Round | G | VS2 | Excellent
From $3,583
Compare at $16,130
Save 76.3%IGI | 10.52ct | Round | E | VVS2 | Excellent
From $7,393
Compare at $31,230
Save 62.5%IGI | 10.52ct | Round | E | VVS2 | Ideal
From $8,542
Compare at $22,809
Save 60.6%IGI | 10.52ct | Round | F | VVS2 | Excellent
From $5,906
Compare at $14,976
Save 88.4%IGI | 10.53ct | Round | F | VVS2 | Excellent
From $4,530
Compare at $38,894
Save 77.9%IGI | 10.53ct | Round | E | VS2 | Ideal
From $5,375
Compare at $24,340
Save 77.6%IGI | 10.53ct | Round | E | VS2 | Ideal
From $5,257
Compare at $23,440
Save 64.7%IGI | 10.53ct | Round | F | VS1 | Ideal
From $8,778
Compare at $24,860
Save 77.6%IGI | 10.53ct | Round | E | VS2 | Excellent
From $5,257
Compare at $23,440
Save 74.8%IGI | 10.54ct | Round | F | VS1 | Ideal
From $5,597
Compare at $22,180
Save 43.6%IGI | 10.54ct | Round | G | SI1 | Ideal
From $8,725
Compare at $15,460
Save 81.9%IGI | 10.54ct | Round | G | VS1 | Excellent
From $3,963
Compare at $21,930
Save 71%IGI | 10.54ct | Round | D | VVS2 | Ideal
From $12,764
Compare at $43,947
Save 60.8%IGI | 10.54ct | Round | G | VVS2 | Ideal
From $9,680
Compare at $24,670
Save 82.6%IGI | 10.54ct | Round | G | VS1 | Ideal
From $3,814
Compare at $21,930
Save 79.5%IGI | 10.54ct | Round | F | SI1 | Ideal
From $2,375
Compare at $11,600
Save 47.1%IGI | 10.55ct | Round | F | VVS2 | Ideal
From $4,956
Compare at $9,372
Save 32.6%IGI | 10.55ct | Round | D | VS1 | Excellent
From $10,336
Compare at $15,332
Save 29.5%IGI | 10.55ct | Round | E | VS1 | Ideal
From $12,054
Compare at $17,093
Save 29.5%IGI | 10.56ct | Round | G | VS1 | Excellent
From $9,031
Compare at $12,819
Save 74.8%IGI | 10.56ct | Round | F | VS1 | Ideal
From $5,607
Compare at $22,220
Save 74.8%IGI | 10.56ct | Round | F | VS1 | Ideal
From $5,607
Compare at $22,220
Save 80.5%IGI | 10.56ct | Round | G | VS1 | Ideal
From $4,275
Compare at $21,970
Save 69.2%IGI | 10.56ct | Round | E | VVS1 | Ideal
From $9,679
Compare at $31,388
Save 40%IGI | 10.56ct | Round | F | VS2 | Ideal
From $3,876
Compare at $6,459
Save 42%IGI | 10.57ct | Round | G | VS2 | Ideal
From $4,083
Compare at $7,035
Save 32.8%IGI | 10.57ct | Round | E | VS2 | Excellent
From $5,362
Compare at $7,983
Save 81.1%IGI | 10.57ct | Round | F | VVS2 | Ideal
From $5,332
Compare at $28,160
Save 64.9%IGI | 10.57ct | Round | E | VVS2 | Ideal
From $10,984
Compare at $31,330
Entry pricing in this category starts around $2,375.
What to Know When Shopping for 10.5 Carat Round Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $52,424 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 $10,194 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.
- Lab-grown diamonds offer excellent value. Ensure the stone comes with a GIA or IGI certificate confirming it is laboratory-grown.
- 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 59 comparable stones in this segment. Prices start around $2,375 and go up to $54,799.
Based on the latest market data, the average asking price is about $12,168 with a median around $10,194.
The observed spread is roughly $52,424 across tracked listings, which is about 95.7% 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 $10,194, 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 6 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 $52,424 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.
Related Price Categories
Explore adjacent carat ranges and shapes to compare market shifts.
10.4 Carat Round Lab Grown Diamond Prices
10.6 Carat Round Lab Grown Diamond Prices
10.3 Carat Round Lab Grown Diamond Prices
10.7 Carat Round Lab Grown Diamond Prices
10.2 Carat Round Lab Grown Diamond Prices
10.8 Carat Round Lab Grown Diamond Prices
10.1 Carat Round Lab Grown Diamond Prices
10.5 Carat Emerald Lab Grown Diamond Prices
10.5 Carat Oval Lab Grown Diamond Prices
10.5 Carat Radiant Lab Grown Diamond Prices
10.5 Carat Pear Lab Grown Diamond Prices
10.5 Carat Cushion Lab Grown Diamond Prices
Tracking Lab Grown inventory for 10.5 carat Round diamonds.