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Cushion|Lab Grown|IGI

4.09ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG792609470

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG792609470

Diamond specifications and retailer prices

From $965 USD
As of November 1, 2026
Save $2,780 USD (74%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,745 USD at MOH London · As of November 1, 2026
View at MOH London

About this 4.09ct lab-grown cushion diamond

This 4.09ct lab-grown cushion 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 LG792609470 or 792609470. Listed at 12 retailers as of November 1, 2026, with prices from $965 to $3,745, a $2,780 spread on the same certified stone. MOH London lists it at $3,745. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle42.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792609470
Dimensions11.36 × 8.27 × 5.57 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.36 mm8.27 mm4.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792609470
Side View
Table 57.0%Crown 35.3°Girdle: STK-THKPavilion 42.3°Culet: LargeDepth 67.4%

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: Nov 1
Current: $3,745 USD|Low: $965 USD|High: $3,796 USD|Avg: $2,029 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 12$965 USD
Retailer 8$999 USD
Retailer 5$1,175 USD
Retailer 11$1,408 USD
Retailer 2$1,524 USD
Retailer 10$1,606 USD
Retailer 4$1,698 USD
Retailer 6$2,127 USD
Retailer 7$2,139 USD
Retailer 9$3,126 USD
Retailer 3$3,466 USD
MOH London$3,745 USD

40 data points across 12 retailers

12 retailers$965 USD to $3,745 USD

A
Cheapest Retailer
-
$965 USD
Final sale: no returns
Retailer 2
-
$999 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$1,175 USD
View
A
Retailer 4
-
$1,408 USD
View
A
Retailer 5
-
$1,524 USD
£1,200 GBP
View
A
Retailer 6
-
$1,606 USD
View
A
Retailer 7
-
$1,698 USD
View
B+
Retailer 8
-
$2,127 USD
ZAR 34,357 ZAR
View
Retailer 9
-
$2,139 USD
A$3,291 AUD
View
Price last confirmed 11 days ago
B
Retailer 10
-
$3,126 USD
View
B
Retailer 11
-
$3,466 USD
View
Most Expensive
B
MOH London
LG792609470 · Nov 1
$3,745 USD
£2,949 GBP
View
11 more retailers have this diamond
Prices start from $965 USDSave up to $2,780 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 Cushion
$965 USD