CaratHunter
Plans
Cushion|Lab Grown|IGI

4.09ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG833631311

Shape and cutting style on the report: Rectangular cushion mixed cut

Certificate IGI LG833631311

Diamond specifications and retailer prices

From $1,327 SGD
$1,038 USD
As of October 31, 2026
Save $3,264 SGD (71%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,591 SGD 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 LG833631311 or 833631311. Listed at 14 retailers as of October 31, 2026, with prices from $1,327 to $4,591, a $3,264 spread on the same certified stone. MOH London lists it at $4,591. 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
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle42.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833631311
Dimensions11.47 × 7.84 × 4.78 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.47 mm7.84 mm4.09 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833631311
Side View
Table 55.0%Crown 32.4°Girdle: STK-VTKPavilion 42.1°Culet: LargeDepth 61.0%

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 31
Current: $4,591 SGD|Low: $1,213 SGD|High: $16,089 SGD|Avg: $4,140 SGD|-61.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 6$1,213 SGD
Retailer 5$1,327 SGD
Retailer 11$1,477 SGD
Retailer 2$1,866 SGD
Retailer 13$1,974 SGD
Retailer 8$2,008 SGD
Retailer 12$2,154 SGD
Retailer 10$2,607 SGD
Retailer 9$2,625 SGD
Retailer 3$2,688 SGD
Retailer 14$3,803 SGD
Retailer 15$3,890 SGD
Retailer 4$4,242 SGD
MOH London$4,591 SGD
Retailer 7$7,968 SGD

27 data points across 15 retailers

14 retailers$1,327 SGD to $4,591 SGD

Retailer 1
-
$1,213 SGD
$949 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$1,327 SGD
$1,038 USD
View
Final sale: no returns
A
Retailer 3
-
$1,477 SGD
$1,155 USD
View
A
Retailer 4
-
$1,866 SGD
£1,149 GBP
View
A
Retailer 5
-
$1,974 SGD
$1,544 USD
View
A
Retailer 6
-
$2,008 SGD
€1,496 EUR
View
B+
Retailer 7
-
$2,154 SGD
$1,685 USD
View
B+
Retailer 8
-
$2,607 SGD
ZAR 32,950 ZAR
View
B+
Retailer 9
-
$2,625 SGD
A$3,159 AUD
View
B+
Retailer 10
-
$2,688 SGD
$2,103 USD
View
B
Retailer 11
-
$3,803 SGD
$2,975 USD
View
B
Retailer 12
-
$3,890 SGD
$3,043 USD
View
B
Retailer 13
-
$4,242 SGD
$3,319 USD
View
Most Expensive
B
MOH London
LG833631311 · Nov 1
$4,591 SGD
£2,828 GBP
View
13 more retailers have this diamond
Prices start from $1,327 SGDSave up to $3,264 SGD

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
$1,327 SGD