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Radiant|Lab Grown|IGI

1.52ct G IF Radiant Lab Grown Diamond

ID • G/IF • IGI LG639406633

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

Certificate IGI LG639406633

Diamond specifications and retailer prices

From £203 GBP
As of November 4, 2026
Save £1,486 GBP (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,689 GBP at Brilliant Earth · As of November 4, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG639406633 or 639406633. Listed at 20 retailers as of November 4, 2026, with prices from £203 to £1,689, a £1,486 spread on the same certified stone. Brilliant Earth lists it at £1,689. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.52
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639406633
Dimensions8.33 × 5.77 × 3.80 mm
L/W Ratio1.44
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
8.33 mm5.77 mm1.52 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639406633
Side View
Table 67.0%Crown 29°Girdle: MediumPavilion 34.8°Culet: NoneDepth 65.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £1,689 GBP|Low: £203 GBP|High: £1,919 GBP|Avg: £577 GBP|-12.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 10£203 GBP
Retailer 4£226 GBP
Retailer 9£374 GBP
Retailer 3£379 GBP
Retailer 8£389 GBP
Retailer 2£424 GBP
Retailer 5£467 GBP
Retailer 7£528 GBP
Retailer 12£676 GBP
Retailer 11£728 GBP
Retailer 13£819 GBP
Retailer 6£901 GBP
Brilliant Earth£1,689 GBP

41 data points across 13 retailers

20 retailers£203 GBP to £1,689 GBP

Retailer 1
-
£182 GBP
Price last confirmed 28 days ago
A
Retailer 2
-
£203 GBP
View
Final sale: no returns
Retailer 3
-
£223 GBP
View
Price last confirmed 41 days ago
Retailer 4
-
£226 GBP
View
Price last confirmed 33 days ago
Retailer 5
-
£226 GBP
View
Price last confirmed 24 days ago
A
Retailer 6
-
£374 GBP
View
A
Retailer 7
-
£379 GBP
View
A
Retailer 8
-
£389 GBP
View
Retailer 9
-
£419 GBP
View
Price last confirmed 24 days ago
A
Retailer 10
-
£424 GBP
View
A
Retailer 11
-
£467 GBP
View
A
Retailer 12
-
£528 GBP
View
B+
Retailer 13
-
£676 GBP
View
Retailer 14
-
£725 GBP
View
Price last confirmed 36 days ago
B+
Retailer 15
-
£728 GBP
View
B+
Retailer 16
-
£763 GBP
View
B+
Retailer 17
-
£819 GBP
View
B+
Retailer 18
-
£901 GBP
View
B
Retailer 19
-
£992 GBP
View
Most Expensive
B
Brilliant Earth
10629180A · Nov 4
£1,689 GBP
$2,280 USD
View
19 more retailers have this diamond
Prices start from £203 GBPSave up to £1,486 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
£203 GBP