Radiant|Lab Grown|IGI

1.04ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG640412627

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

Certificate IGI LG640412627

Diamond specifications and retailer prices

From £137 GBP
As of November 4, 2026
Save £968 GBP (88%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: £1,106 GBP at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.04ct lab-grown radiant diamond

This 1.04ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG640412627 or 640412627. Listed at 29 retailers as of November 6, 2026, with prices from £137 to £1,106, a £968 spread on the same certified stone. Brilliant Earth lists it at £1,106. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.04
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640412627
Dimensions7.26 × 5.06 × 3.32 mm
L/W Ratio1.43
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
7.26 mm5.06 mm1.04 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640412627
Side View
Table 62.0%Crown 43.6°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 65.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £1,106 GBP|Low: £137 GBP|High: £1,106 GBP|Avg: £432 GBP
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
Retailer 14
Retailer 15
November 6, 2026
Retailer 14£137 GBP
Retailer 4£154 GBP
Retailer 3£200 GBP
Retailer 15£241 GBP
Retailer 8£288 GBP
Retailer 2£291 GBP
Retailer 9£305 GBP
Retailer 5£350 GBP
Retailer 11£415 GBP
Retailer 6£449 GBP
Retailer 13£579 GBP
Retailer 7£590 GBP
Retailer 12£592 GBP
Retailer 10£795 GBP
Brilliant Earth£1,106 GBP

45 data points across 15 retailers

29 retailers£137 GBP to £1,106 GBP

A
Cheapest Retailer
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£137 GBP
Retailer 2
-
£137 GBP
View
Price last confirmed 30 days ago
Retailer 3
-
£137 GBP
View
Price last confirmed 38 days ago
A
Retailer 4
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£137 GBP
View
A
Retailer 5
-
£154 GBP
View
Final sale: no returns
Retailer 6
-
£159 GBP
View
Price last confirmed 41 days ago
Retailer 7
-
£168 GBP
View
Price last confirmed 39 days ago
Retailer 8
-
£170 GBP
View
Price last confirmed 35 days ago
A
Retailer 9
-
£200 GBP
View
A
Retailer 10
-
£241 GBP
View
A
Retailer 11
-
£288 GBP
View
A
Retailer 12
-
£291 GBP
View
A
Retailer 13
-
£305 GBP
View
A
Retailer 14
-
£350 GBP
View
A
Retailer 15
-
£359 GBP
View
A
Retailer 16
-
£415 GBP
View
B+
Retailer 17
-
£449 GBP
View
B+
Retailer 18
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£484 GBP
View
B+
Retailer 19
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£548 GBP
View
Retailer 20
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£548 GBP
View
Price last confirmed 28 days ago
Retailer 21
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£548 GBP
View
Price last confirmed 38 days ago
B+
Retailer 22
-
£548 GBP
View
B+
Retailer 23
-
£579 GBP
View
B+
Retailer 24
-
£588 GBP
View
Retailer 25
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£592 GBP
View
Price last confirmed 11 days ago
B+
Retailer 26
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£602 GBP
View
Retailer 27
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£787 GBP
View
Price last confirmed 79 days ago
B+
Retailer 28
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£795 GBP
View
Most Expensive
B
Brilliant Earth
11001218A · Nov 6
£1,106 GBP
$1,480 USD
View
28 more retailers have this diamond
Prices start from £137 GBPSave up to £968 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
1.04ct Radiant
£137 GBP