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Radiant|Lab Grown|IGI

1.53ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG636465430

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

Certificate IGI LG636465430

Diamond specifications and retailer prices

From £317 GBP
As of November 4, 2026
Save £1,623 GBP (84%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £1,939 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.53ct lab-grown radiant diamond

This 1.53ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG636465430 or 636465430. Listed at 26 retailers as of November 4, 2026, with prices from £317 to £1,939, a £1,623 spread on the same certified stone. Brilliant Earth lists it at £1,939. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle32.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636465430
Dimensions8.33 × 5.70 × 3.69 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.33 mm5.70 mm1.53 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636465430
Side View
Table 61.0%Crown 39.2°Girdle: MediumPavilion 32.2°Culet: NoneDepth 64.7%

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: Nov 4
Current: £1,939 GBP|Low: £304 GBP|High: £1,999 GBP|Avg: £919 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 14
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Retailer 17
Retailer 18
Retailer 19
November 5, 2026
Retailer 9£317 GBP
Retailer 6£354 GBP
Retailer 10£392 GBP
Retailer 5£406 GBP
Retailer 19£502 GBP
Retailer 14£526 GBP
Retailer 15£597 GBP
Retailer 12£640 GBP
Retailer 13£676 GBP
Retailer 16£889 GBP
Retailer 18£913 GBP
Retailer 17£1,004 GBP
Retailer 4£1,143 GBP
Retailer 11£1,261 GBP
Retailer 7£1,421 GBP
Retailer 2£1,437 GBP
Retailer 3£1,449 GBP
Retailer 8£1,467 GBP
Brilliant Earth£1,939 GBP

37 data points across 19 retailers

26 retailers£317 GBP to £1,939 GBP

A
Cheapest Retailer
-
£317 GBP
A
Retailer 2
-
£354 GBP
View
Final sale: no returns
A
Retailer 3
-
£354 GBP
View
A
Retailer 4
-
£392 GBP
View
Retailer 5
-
£392 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£502 GBP
View
A
Retailer 7
-
£526 GBP
View
A
Retailer 8
-
£597 GBP
View
B+
Retailer 9
-
£627 GBP
View
A
Retailer 10
-
£640 GBP
View
B+
Retailer 11
-
£676 GBP
View
B+
Retailer 12
-
£796 GBP
View
B+
Retailer 13
-
£860 GBP
View
B+
Retailer 14
-
£889 GBP
View
B+
Retailer 15
-
£913 GBP
View
B+
Retailer 16
-
£1,004 GBP
View
B
Retailer 17
-
£1,124 GBP
View
B
Retailer 18
-
£1,143 GBP
View
B
Retailer 19
-
£1,261 GBP
View
B
Retailer 20
-
£1,271 GBP
View
B
Retailer 21
-
£1,285 GBP
View
B
Retailer 22
-
£1,421 GBP
View
B
Retailer 23
-
£1,437 GBP
View
Retailer 24
-
£1,449 GBP
View
Price last confirmed 18 days ago
B
Retailer 25
-
£1,467 GBP
View
Most Expensive
B
Brilliant Earth
10371648A · Nov 4
£1,939 GBP
$2,610 USD
View
25 more retailers have this diamond
Prices start from £317 GBPSave up to £1,623 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 Radiant
£317 GBP