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Round|Lab Grown|IGI

3.09ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG726522687

Shape and cutting style on the report: Round brilliant

Certificate IGI LG726522687

Diamond specifications and retailer prices

From $403 USD
As of October 26, 2026
Save $2,657 USD (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,370 USD at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG726522687 or 726522687. Listed at 24 retailers as of October 26, 2026, with a 659% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.09
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726522687
Dimensions9.33 × 9.30 × 5.77 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.. Type IIa. Indications of post-growth treatment.
Top View
9.33 mm9.30 mm3.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726522687
Side View
Table 56.0%Crown 34.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $4,370 USD|Low: $403 USD|High: $4,760 USD|Avg: $1,604 USD|-8.2%
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
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Retailer 11
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Retailer 21
October 28, 2026
Retailer 9$403 USD
Retailer 14$493 USD
Retailer 17$500 USD
Retailer 15$645 USD
Retailer 5$663 USD
Retailer 4$880 USD
Retailer 13$904 USD
Retailer 19$912 USD
Retailer 16$1,165 USD
Retailer 2$1,198 USD
Retailer 3$1,213 USD
Retailer 10$1,529 USD
Retailer 20$1,774 USD
Retailer 7$1,862 USD
Retailer 21$1,923 USD
Retailer 18$2,029 USD
Retailer 8$2,206 USD
Retailer 11$2,305 USD
Retailer 6$3,060 USD
Retailer 12$3,064 USD
Brilliant Earth$4,370 USD

36 data points across 21 retailers

24 retailers$403 USD to $3,060 USD

A
Cheapest Retailer
-
$403 USD
A
Retailer 2
-
$440 USD
View
Price last confirmed 35 days ago
A
Retailer 3
-
$493 USD
View
Final sale: no returns
A
Retailer 4
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$493 USD
View
Price last confirmed 35 days ago
A
Retailer 5
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$500 USD
View
A
Retailer 6
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$539 USD
View
Price last confirmed 34 days ago
A
Retailer 7
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$645 USD
View
B+
Retailer 8
-
$663 USD
View
A
Retailer 9
-
$880 USD
View
A
Retailer 10
-
$904 USD
£712 GBP
View
A
Retailer 11
-
$912 USD
View
A
Retailer 12
-
$1,165 USD
A$1,792 AUD
View
A
Retailer 13
-
$1,198 USD
ZAR 19,347 ZAR
View
A
Retailer 14
-
$1,213 USD
View
B+
Retailer 15
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$1,529 USD
CA$2,124 CAD
View
B+
Retailer 16
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$1,586 USD
View
Price last confirmed 38 days ago
B
Retailer 17
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$1,774 USD
View
B+
Retailer 18
-
$1,862 USD
View
B+
Retailer 19
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$1,923 USD
View
B
Retailer 20
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$2,029 USD
£1,598 GBP
View
B
Retailer 21
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$2,206 USD
View
B
Retailer 22
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$2,305 USD
View
Price last confirmed 11 days ago
B
Retailer 23
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$3,060 USD
View
Most Expensive
B
Brilliant Earth
15807501Y · Oct 18
$4,370 USD
View
Price last confirmed 10 days ago
23 more retailers have this diamond
Prices start from $403 USDSave up to $2,657 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.09ct Round
$403 USD