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Cushion|Lab Grown|IGI

1.52ct D SI2 Cushion Lab Grown Diamond

ID • D/SI2 • IGI LG478104344

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG478104344

Diamond specifications and retailer prices

From £275 GBP
As of November 6, 2026
Save £1,256 GBP (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,531 GBP at Diamond Exchange Canada · As of November 5, 2026
View at Diamond Exchange Canada

About this 1.52ct lab-grown cushion diamond

This 1.52ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG478104344 or 478104344. Listed at 9 retailers as of November 5, 2026, with prices from £275 to £1,531, a £1,256 spread on the same certified stone. Diamond Exchange Canada lists it at £1,531. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.52
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478104344
Dimensions7.06 × 6.50 × 4.41 mm
L/W Ratio1.09
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
7.06 mm6.50 mm1.52 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478104344
Side View
Table 60.5%Crown 33.9°Girdle: MED-THKPavilion 40°Culet: NoneDepth 67.8%

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: Nov 6
Current: £1,531 GBP|Low: £412 GBP|High: £1,531 GBP|Avg: £762 GBP
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2£412 GBP
Retailer 7£496 GBP
Retailer 8£499 GBP
Retailer 3£606 GBP
Retailer 6£657 GBP
Retailer 5£1,098 GBP
Retailer 4£1,322 GBP
Diamond Exchange Canada£1,531 GBP

46 data points across 8 retailers

9 retailers£275 GBP to £1,531 GBP

A
Cheapest Retailer
-
£275 GBP
A
Retailer 2
-
£412 GBP
View
B+
Retailer 3
-
£496 GBP
View
B+
Retailer 4
-
£499 GBP
View
B+
Retailer 5
-
£606 GBP
View
Retailer 6
-
£657 GBP
View
Price last confirmed 16 days ago
B
Retailer 7
-
£1,098 GBP
View
B
Retailer 8
-
£1,322 GBP
View
Most Expensive
B
Diamond Exchange Canada
1995963744 · Nov 5
£1,531 GBP
CA$2,846 CAD
View
8 more retailers have this diamond
Prices start from £275 GBPSave up to £1,256 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
1.52ct Cushion
£275 GBP