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Cushion|Lab Grown|IGI

1.53ct D SI1 Cushion Lab Grown Diamond

VG • D/SI1 • IGI LG496118680

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG496118680

Diamond specifications and retailer prices

From £451 GBP
As of November 6, 2026
Save £1,439 GBP (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,889 GBP at MOH London · As of November 5, 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 D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG496118680 or 496118680. Listed at 6 retailers as of November 5, 2026, with prices from £451 to £1,889, a £1,439 spread on the same certified stone. MOH London lists it at £1,889. 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
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496118680
Dimensions7.19 × 5.97 × 4.17 mm
L/W Ratio1.20
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
7.19 mm5.97 mm1.53 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496118680
Side View
Table 63.5%Crown 39.6°Girdle: STK-VTKPavilion 38.8°Culet: NoneDepth 69.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,889 GBP|Low: £451 GBP|High: £1,918 GBP|Avg: £890 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6£451 GBP
Retailer 2£660 GBP
Retailer 5£707 GBP
Retailer 3£745 GBP
Retailer 4£870 GBP
MOH London£1,889 GBP

44 data points across 6 retailers

6 retailers£451 GBP to £1,889 GBP

B+
Cheapest Retailer
-
£451 GBP
B+
Retailer 2
-
£660 GBP
View
B
Retailer 3
-
£707 GBP
View
B
Retailer 4
-
£745 GBP
View
Retailer 5
-
£870 GBP
View
Price last confirmed 16 days ago
Most Expensive
B
MOH London
LG496118680 · Nov 5
£1,889 GBP
View
5 more retailers have this diamond
Prices start from £451 GBPSave up to £1,439 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.

B+
1.53ct Cushion
£451 GBP