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Radiant|Lab Grown|IGI

1.33ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG749514765

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

Certificate IGI LG749514765

Diamond specifications and retailer prices

From £187 GBP
As of November 4, 2026
Save £1,584 GBP (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,770 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.33ct lab-grown radiant diamond

This 1.33ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG749514765 or 749514765. Listed at 22 retailers as of November 4, 2026, with prices from £187 to £1,770, a £1,584 spread on the same certified stone. Brilliant Earth lists it at £1,770. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749514765
Dimensions8.04 × 5.47 × 3.55 mm
L/W Ratio1.47
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
8.04 mm5.47 mm1.33 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749514765
Side View
Table 65.0%Crown 41.9°Girdle: MED-STKPavilion 33.1°Culet: NoneDepth 64.9%

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: £1,770 GBP|Low: £184 GBP|High: £2,089 GBP|Avg: £567 GBP|-14.9%
Brilliant Earth
Retailer 2
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Retailer 21
November 4, 2026
Retailer 5£187 GBP
Retailer 8£208 GBP
Retailer 19£216 GBP
Retailer 9£232 GBP
Retailer 21£232 GBP
Retailer 3£256 GBP
Retailer 18£352 GBP
Retailer 17£383 GBP
Retailer 10£388 GBP
Retailer 15£399 GBP
Retailer 7£421 GBP
Retailer 2£436 GBP
Retailer 13£567 GBP
Retailer 4£673 GBP
Retailer 20£711 GBP
Retailer 6£744 GBP
Retailer 12£744 GBP
Retailer 14£782 GBP
Retailer 16£927 GBP
Retailer 11£1,007 GBP
Brilliant Earth£1,770 GBP

40 data points across 21 retailers

22 retailers£187 GBP to £1,770 GBP

A
Cheapest Retailer
-
£187 GBP
A
Retailer 2
-
£208 GBP
View
Final sale: no returns
A
Retailer 3
-
£216 GBP
View
Retailer 4
-
£232 GBP
View
Price last confirmed 10 days ago
A
Retailer 5
-
£232 GBP
View
A
Retailer 6
-
£256 GBP
View
A
Retailer 7
-
£352 GBP
View
A
Retailer 8
-
£383 GBP
View
A
Retailer 9
-
£388 GBP
View
A
Retailer 10
-
£399 GBP
View
A
Retailer 11
-
£421 GBP
View
A
Retailer 12
-
£436 GBP
View
A
Retailer 13
-
£567 GBP
View
B+
Retailer 14
-
£673 GBP
View
B+
Retailer 15
-
£711 GBP
View
B+
Retailer 16
-
£744 GBP
View
B+
Retailer 17
-
£744 GBP
View
B+
Retailer 18
-
£782 GBP
View
Retailer 19
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£925 GBP
View
Price last confirmed 21 days ago
B+
Retailer 20
-
£927 GBP
View
B
Retailer 21
-
£1,007 GBP
View
Most Expensive
B
Brilliant Earth
19056541A · Nov 4
£1,770 GBP
$2,390 USD
View
21 more retailers have this diamond
Prices start from £187 GBPSave up to £1,584 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
1.33ct Radiant
£187 GBP