7.7 Carat Round Lab Grown Diamond Prices Comparison
As of April 2026, 7.7 carat round lab grown diamonds usually range from $1,545 to $51,212, with an average price of $7,993.In the last month, prices for these diamonds are down 0.9%.Compare 32 verified listings across 6 retailers tracked by CaratRadar.
7.7 Carat Round Lab Grown Diamond Market Overview
CaratRadar currently tracks 32 verified 7.7-carat round lab grown diamonds listed across 6 online retailers. Prices in this segment range from $1,545 to $51,212, with an average asking price of $7,993 and a median of $5,227.
The price spread of $49,667 (97.0% 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.
32 diamonds tracked in this segment
Price range: $1,545 to $51,212
Average price: $7,993
Median price: $5,227
Available across 6 retailers
Savings potential: up to 97.0%
Price Range Overview
As of Apr 14, 2026Real market range for this carat, shape, and diamond type.
32
$1,545
$7,993
$5,227
$51,212
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 48.5%GIA | 7.71ct | Round | E | VS2 | Ideal
From $10,631
Compare at $20,624
Save 82.7%IGI | 7.71ct | Round | G | VS2 | Ideal
From $2,373
Compare at $13,700
Save 82.7%IGI | 7.71ct | Round | G | VS2 | Ideal
From $2,373
Compare at $13,700
Save 80.7%IGI | 7.71ct | Round | F | VS2 | Ideal
From $3,159
Compare at $16,370
Save 84%IGI | 7.71ct | Round | G | VS1 | Ideal
From $2,578
Compare at $16,120
Save 88.1%IGI | 7.71ct | Round | F | VS1 | Ideal
From $2,169
Compare at $18,260
Save 82.5%IGI | 7.71ct | Round | G | VS1 | Excellent
From $2,193
Compare at $12,510
Save 80.6%IGI | 7.71ct | Round | F | VS1 | Ideal
From $3,539
Compare at $18,210
Save 81.7%IGI | 7.71ct | Round | E | VS2 | Excellent
From $2,394
Compare at $13,060
Save 42%IGI | 7.72ct | Round | H | VS1 | Ideal
From $2,681
Compare at $4,622
Save 84%IGI | 7.72ct | Round | G | VS1 | Ideal
From $2,582
Compare at $16,140
Save 88.1%IGI | 7.72ct | Round | F | VS1 | Excellent
From $2,171
Compare at $18,290
Save 48.6%IGI | 7.72ct | Round | E | VS1 | Excellent
From $2,356
Compare at $4,583
Save 81.4%IGI | 7.72ct | Round | F | VVS2 | Ideal
From $3,829
Compare at $20,580
Save 50.1%IGI | 7.72ct | Round | G | VVS2 | Excellent
From $2,132
Compare at $4,273
Save 84.2%IGI | 7.73ct | Round | F | VS2 | Excellent
From $2,890
Compare at $18,337
Save 56.4%IGI | 7.73ct | Round | F | VVS2 | Excellent
From $2,608
Compare at $5,986
Save 82.7%IGI | 7.74ct | Round | G | VS2 | Ideal
From $2,383
Compare at $13,750
Save 88.1%IGI | 7.74ct | Round | F | VS1 | Ideal
From $2,177
Compare at $18,330
Save 88.1%IGI | 7.74ct | Round | F | VS1 | Ideal
From $2,177
Compare at $18,330
Save 87.7%IGI | 7.74ct | Round | E | VS1 | Ideal
From $2,486
Compare at $20,140
Save 80.9%IGI | 7.74ct | Round | D | VS1 | Ideal
From $5,037
Compare at $26,430
Save 86.4%IGI | 7.74ct | Round | E | VVS2 | Excellent
From $3,111
Compare at $22,940
Save 75.8%IGI | 7.75ct | Round | G | VS2 | Ideal
From $2,295
Compare at $9,490
Save 66.3%IGI | 7.76ct | Round | F | VVS2 | Excellent
From $2,287
Compare at $6,779
Save 88.9%IGI | 7.76ct | Round | F | VVS2 | Ideal
From $2,304
Compare at $20,770
Save 16.8%GIA | 7.77ct | Round | F | VS2 | Ideal
From $17,300
Compare at $20,785
Save 74.7%IGI | 7.77ct | Round | E | IF | Ideal
From $21,849
Compare at $86,393
Save 79.5%IGI | 7.77ct | Round | E | VVS2 | Excellent
From $4,711
Compare at $23,030
Save 31.7%IGI | 7.77ct | Round | F | VVS2 | Ideal
From $4,635
Compare at $6,788
Save 82.7%IGI | 7.79ct | Round | G | VS2 | Ideal
From $2,398
Compare at $13,840
Save 80.9%IGI | 7.79ct | Round | E | VS1 | Ideal
From $3,864
Compare at $20,180
Entry pricing in this category starts around $1,545.
What to Know When Shopping for 7.7 Carat Round Lab Grown Diamonds
- Always compare identical certified diamonds across retailers. Identical certificate numbers can have price differences of $49,667 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 $5,227 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 32 comparable stones in this segment. Prices start around $1,545 and go up to $51,212.
Based on the latest market data, the average asking price is about $7,993 with a median around $5,227.
The observed spread is roughly $49,667 across tracked listings, which is about 97.0% 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 $5,227, 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 $49,667 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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