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Cushion|Lab Grown|IGI

1.51ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG837693635

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG837693635

Diamond specifications and retailer prices

From £711 GBP
$952 USD
As of October 29, 2026
Save £1,695 GBP (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,406 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837693635 or 837693635. Listed at 8 retailers as of October 26, 2026, with prices from £711 to £2,406, a £1,695 spread on the same certified stone. MOH London lists it at £2,406. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837693635
Dimensions6.81 × 6.52 × 4.30 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.81 mm6.52 mm1.51 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837693635
Side View
Table 63.0%Crown 36.2°Girdle: THN-STKPavilion 37.9°Culet: NoneDepth 66.0%

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: £2,406 GBP|Low: £711 GBP|High: £2,406 GBP|Avg: £1,256 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 5£711 GBP
Retailer 4£835 GBP
Retailer 3£843 GBP
Retailer 6£849 GBP
Retailer 2£865 GBP
Retailer 7£1,790 GBP
Retailer 8£1,831 GBP
MOH London£2,406 GBP

9 data points across 8 retailers

8 retailers£711 GBP to £2,406 GBP

A
Cheapest Retailer
-
£711 GBP
$952 USD
A
Retailer 2
-
£835 GBP
$1,119 USD
View
A
Retailer 3
-
£843 GBP
€1,076 EUR
View
A
Retailer 4
-
£849 GBP
$1,137 USD
View
A
Retailer 5
-
£865 GBP
View
B
Retailer 6
-
£1,790 GBP
$2,398 USD
View
B
Retailer 7
-
£1,831 GBP
$2,453 USD
View
Most Expensive
B
MOH London
LG837693635 · Oct 26
£2,406 GBP
View
7 more retailers have this diamond
Prices start from £711 GBPSave up to £1,695 GBP

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
1.51ct Cushion
£711 GBP