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Radiant|Lab Grown|IGI

1.14ct F IF Radiant Lab Grown Diamond

EX • F/IF • IGI LG637470653

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

Certificate IGI LG637470653

Diamond specifications and retailer prices

From £137 GBP
As of November 6, 2026
Save £1,178 GBP (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,518 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.14ct lab-grown radiant diamond

This 1.14ct 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 LG637470653 or 637470653. Listed at 23 retailers as of November 6, 2026, with a 862% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.14
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG637470653
Dimensions7.95 × 5.11 × 3.37 mm
L/W Ratio1.56
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
7.95 mm5.11 mm1.14 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG637470653
Side View
Table 62.0%Crown 40.1°Girdle: MediumPavilion 36.5°Culet: NoneDepth 65.9%

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 6
Current: £318 GBP|Low: £131 GBP|High: £1,449 GBP|Avg: £464 GBP|+1.0%
Retailer 1
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
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Retailer 17
Retailer 18
November 6, 2026
Retailer 18£137 GBP
Retailer 10£152 GBP
Retailer 6£159 GBP
Retailer 2£170 GBP
Retailer 7£170 GBP
Retailer 3£241 GBP
Retailer 5£267 GBP
Retailer 1£318 GBP
Retailer 11£341 GBP
Retailer 9£353 GBP
Retailer 12£457 GBP
Retailer 16£577 GBP
Retailer 4£603 GBP
Retailer 17£731 GBP
Retailer 8£764 GBP
Retailer 13£876 GBP
Retailer 15£908 GBP
Retailer 14£1,248 GBP

45 data points across 18 retailers

23 retailers£137 GBP to £1,315 GBP

A
Cheapest Retailer
-
£137 GBP
A
Retailer 2
-
£152 GBP
View
Final sale: no returns
A
Retailer 3
-
£159 GBP
View
Retailer 4
-
£170 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
£170 GBP
View
B+
Retailer 6
-
£241 GBP
View
A
Retailer 7
-
£267 GBP
View
A
Retailer 8
-
£318 GBP
View
A
Retailer 9
-
£341 GBP
View
A
Retailer 10
-
£353 GBP
View
A
Retailer 11
-
£414 GBP
View
A
Retailer 12
-
£457 GBP
View
B+
Retailer 13
-
£577 GBP
View
B+
Retailer 14
-
£603 GBP
View
B
Retailer 15
-
£731 GBP
View
B
Retailer 16
-
£764 GBP
View
B
Retailer 17
-
£852 GBP
View
B+
Retailer 18
-
£876 GBP
View
Retailer 19
-
£908 GBP
View
Price last confirmed 17 days ago
Retailer 20
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£923 GBP
View
Price last confirmed 59 days ago
B
Retailer 21
-
£1,248 GBP
View
B
Retailer 22
-
£1,315 GBP
View
Most Expensive
Queensmith
LG637470653 · Oct 27
£1,518 GBP
View
Price last confirmed 10 days ago
22 more retailers have this diamond
Prices start from £137 GBPSave up to £1,178 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
1.14ct Radiant
£137 GBP