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Cushion|Lab Grown|IGI

1.53ct E SI2 Cushion Lab Grown Diamond

VG • E/SI2 • IGI LG519238358

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG519238358

Diamond specifications and retailer prices

From £371 GBP
$494 USD
As of October 29, 2026
Save £1,153 GBP (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,524 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.53ct lab-grown cushion diamond

This 1.53ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG519238358 or 519238358. Listed at 6 retailers as of October 29, 2026, with prices from £371 to £1,524, a £1,153 spread on the same certified stone. MOH London lists it at £1,524. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.53
Carat
E
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519238358
Dimensions7.16 × 6.04 × 4.22 mm
L/W Ratio1.19
Girdle conditionFaceted
Culet sizePointed
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
7.16 mm6.04 mm1.53 ctE / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG519238358
Side View
Table 58.5%Crown 34.2°Girdle: MED-THKPavilion 34.3°Culet: NoneDepth 69.9%

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: £1,524 GBP|Low: £371 GBP|High: £1,534 GBP|Avg: £736 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 6£371 GBP
Retailer 3£633 GBP
Retailer 5£647 GBP
Retailer 4£650 GBP
Retailer 2£682 GBP
MOH London£1,524 GBP

41 data points across 6 retailers

6 retailers£371 GBP to £1,524 GBP

A
Cheapest Retailer
-
£371 GBP
$494 USD
B+
Retailer 2
-
£633 GBP
€803 EUR
View
B
Retailer 3
-
£647 GBP
$862 USD
View
Retailer 4
-
£650 GBP
$865 USD
View
Price last confirmed 8 days ago
B
Retailer 5
-
£682 GBP
View
Most Expensive
B
MOH London
LG519238358 · Oct 29
£1,524 GBP
View
5 more retailers have this diamond
Prices start from £371 GBPSave up to £1,153 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
1.53ct Cushion
£371 GBP