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Radiant|Lab Grown|IGI

1.52ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG835610496

Shape and cutting style on the report: Cut cornered square modified brilliant

Certificate IGI LG835610496

Diamond specifications and retailer prices

From £135 GBP
$181 USD
As of October 30, 2026
Save £798 GBP (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £933 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.52ct lab-grown radiant diamond

This 1.52ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG835610496 or 835610496. Listed at 11 retailers as of October 29, 2026, with prices from £135 to £933, a £798 spread on the same certified stone. Brilliant Earth lists it at £933. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835610496
Dimensions6.60 × 6.33 × 4.37 mm
L/W Ratio1.04
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.60 mm6.33 mm1.52 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835610496
Side View
Table 66.0%Crown 39.7°Girdle: MediumPavilion 35.8°CuletDepth 69.0%

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: Oct 30
Current: £933 GBP|Low: £135 GBP|High: £978 GBP|Avg: £479 GBP|-4.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10£135 GBP
Retailer 7£150 GBP
Retailer 2£168 GBP
Retailer 6£207 GBP
Retailer 4£271 GBP
Retailer 3£290 GBP
Retailer 11£524 GBP
Retailer 9£703 GBP
Retailer 5£754 GBP
Retailer 8£801 GBP
Brilliant Earth£933 GBP

32 data points across 11 retailers

11 retailers£135 GBP to £933 GBP

A
Cheapest Retailer
-
£135 GBP
$181 USD
Final sale: no returns
A
Retailer 2
-
£150 GBP
$201 USD
View
A
Retailer 3
-
£168 GBP
View
B+
Retailer 4
-
£207 GBP
$278 USD
View
A
Retailer 5
-
£271 GBP
View
Retailer 6
-
£290 GBP
€370 EUR
View
Price last confirmed 7 days ago
B+
Retailer 7
-
£524 GBP
$702 USD
View
B
Retailer 8
-
£703 GBP
View
B
Retailer 9
-
£754 GBP
$1,010 USD
View
B
Retailer 10
-
£801 GBP
$1,073 USD
View
Most Expensive
B
Brilliant Earth
21435365A · Oct 29
£933 GBP
$1,250 USD
View
10 more retailers have this diamond
Prices start from £135 GBPSave up to £798 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 Radiant
£135 GBP