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Round|Lab Grown|IGI

4.09ct F VVS2 Round Lab Grown Diamond

ID • F/VVS2 • IGI LG729573363

Shape and cutting style on the report: Round brilliant

Certificate IGI LG729573363

Diamond specifications and retailer prices

From $585 USD
As of October 29, 2026
Save $4,605 USD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $9,340 USD at Brilliant Earth · As of October 22, 2026
View at Brilliant Earth

About this 4.09ct lab-grown round diamond

This 4.09ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG729573363 or 729573363. Listed at 22 retailers as of October 29, 2026, with a 787% 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

4.09
Carat
F
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729573363
Dimensions10.27 × 10.32 × 6.32 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
Top View
10.27 mm10.32 mm4.09 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729573363
Side View
Table 58.0%Crown 34.3°Girdle: MediumPavilion 41°Culet: NoneDepth 61.4%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $9,340 USD|Low: $583 USD|High: $9,340 USD|Avg: $1,995 USD
Brilliant Earth
Retailer 2
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Retailer 21
October 31, 2026
Retailer 11$585 USD
Retailer 5$655 USD
Retailer 21$725 USD
Retailer 19$855 USD
Retailer 15$1,005 USD
Retailer 6$1,115 USD
Retailer 7$1,115 USD
Retailer 2$1,192 USD
Retailer 16$1,198 USD
Retailer 3$1,340 USD
Retailer 18$1,593 USD
Retailer 13$1,604 USD
Retailer 20$1,799 USD
Retailer 4$2,105 USD
Retailer 8$2,314 USD
Retailer 12$2,699 USD
Retailer 10$2,728 USD
Retailer 17$3,170 USD
Retailer 14$3,615 USD
Retailer 9$5,190 USD
Brilliant Earth$9,340 USD

33 data points across 21 retailers

22 retailers$585 USD to $5,190 USD

A
Cheapest Retailer
-
$585 USD
A
Retailer 2
-
$655 USD
View
A
Retailer 3
-
$725 USD
View
Retailer 4
-
$753 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$855 USD
View
A
Retailer 6
-
$1,005 USD
£791 GBP
View
B+
Retailer 7
-
$1,115 USD
View
A
Retailer 8
-
$1,115 USD
View
A
Retailer 9
-
$1,192 USD
£939 GBP
View
A
Retailer 10
-
$1,198 USD
€1,141 EUR
View
A
Retailer 11
-
$1,340 USD
View
B+
Retailer 12
-
$1,593 USD
ZAR 25,739 ZAR
View
B+
Retailer 13
-
$1,604 USD
A$2,468 AUD
View
B+
Retailer 14
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$1,799 USD
View
B+
Retailer 15
-
$2,105 USD
View
B+
Retailer 16
-
$2,314 USD
View
B
Retailer 17
-
$2,699 USD
View
B
Retailer 18
-
$2,728 USD
SGD 3,686 SGD
View
B+
Retailer 19
-
$3,170 USD
£2,496 GBP
View
Retailer 20
-
$3,615 USD
View
Price last confirmed 10 days ago
B
Retailer 21
-
$5,190 USD
View
Most Expensive
Brilliant Earth
21068687Y · Oct 22
$9,340 USD
View
Price under review
21 more retailers have this diamond
Prices start from $585 USDSave up to $4,605 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
4.09ct Round
$585 USD