CaratHunter
Plans
Cushion|Lab Grown|IGI

4.51ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG846639641

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846639641

Diamond specifications and retailer prices

From $830 SGD
£511 GBP
As of November 2, 2026
Save $3,346 SGD (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,176 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 4.51ct lab-grown cushion diamond

This 4.51ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846639641 or 846639641. Listed at 8 retailers as of November 1, 2026, with prices from $830 to $4,176, a $3,346 spread on the same certified stone. MOH London lists it at $4,176. 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

4.51
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846639641
Dimensions11.60 × 8.30 × 5.60 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.60 mm8.30 mm4.51 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846639641
Side View
Table 63.0%Crown 34.5°Girdle: STK-THKPavilion 35.1°Culet: NoneDepth 67.5%

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: Nov 2
Current: $4,176 SGD|Low: $830 SGD|High: $4,197 SGD|Avg: $2,041 SGD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2$830 SGD
Retailer 5$868 SGD
Retailer 4$1,125 SGD
Retailer 8$1,474 SGD
Retailer 3$1,505 SGD
Retailer 7$2,246 SGD
Retailer 6$3,068 SGD
MOH London$4,176 SGD

8 data points across 8 retailers

8 retailers$830 SGD to $4,176 SGD

A
Cheapest Retailer
-
$830 SGD
£511 GBP
A
Retailer 2
-
$868 SGD
$679 USD
View
Final sale: no returns
A
Retailer 3
-
$1,125 SGD
$880 USD
View
B+
Retailer 4
-
$1,474 SGD
$1,153 USD
View
A
Retailer 5
-
$1,505 SGD
£927 GBP
View
A
Retailer 6
-
$2,246 SGD
$1,757 USD
View
B+
Retailer 7
-
$3,068 SGD
$2,400 USD
View
Most Expensive
B
MOH London
LG846639641 · Nov 1
$4,176 SGD
£2,572 GBP
View
7 more retailers have this diamond
Prices start from $830 SGDSave up to $3,346 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
4.51ct Cushion
$830 SGD