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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 €579 EUR
£511 GBP
As of November 2, 2026
Save €2,334 EUR (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €2,912 EUR 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 €579 to €2,912, a €2,334 spread on the same certified stone. MOH London lists it at €2,912. 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
Color
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

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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 2
Current: €2,912 EUR|Low: €579 EUR|High: €2,927 EUR|Avg: €1,423 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2€579 EUR
Retailer 5€605 EUR
Retailer 4€785 EUR
Retailer 8€1,028 EUR
Retailer 3€1,050 EUR
Retailer 7€1,567 EUR
Retailer 6€2,140 EUR
MOH London€2,912 EUR

8 data points across 8 retailers

8 retailers€579 EUR to €2,912 EUR

A
Cheapest Retailer
-
€579 EUR
£511 GBP
A
Retailer 2
-
€605 EUR
$679 USD
View
Final sale: no returns
A
Retailer 3
-
€785 EUR
$880 USD
View
B+
Retailer 4
-
€1,028 EUR
$1,153 USD
View
A
Retailer 5
-
€1,050 EUR
£927 GBP
View
A
Retailer 6
-
€1,567 EUR
$1,757 USD
View
B+
Retailer 7
-
€2,140 EUR
$2,400 USD
View
Most Expensive
B
MOH London
LG846639641 · Nov 1
€2,912 EUR
£2,572 GBP
View
7 more retailers have this diamond
Prices start from €579 EURSave up to €2,334 EUR

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
€579 EUR