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Radiant|Lab Grown|IGI

1.27ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG745508235

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

Certificate IGI LG745508235

Diamond specifications and retailer prices

From £168 GBP
As of November 6, 2026
Save £1,274 GBP (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,442 GBP at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.27ct lab-grown radiant diamond

This 1.27ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG745508235 or 745508235. Listed at 15 retailers as of November 6, 2026, with prices from £168 to £1,442, a £1,274 spread on the same certified stone. Do Amore Diamonds lists it at £1,442. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.2°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG745508235
Dimensions7.41 × 5.34 × 3.79 mm
L/W Ratio1.39
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
7.41 mm5.34 mm1.27 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG745508235
Side View
Table 65.0%Crown 46.2°Girdle: MediumPavilion 37.3°Culet: NoneDepth 71.0%

Caratlytics Score

How it works →
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: £1,442 GBP|Low: £166 GBP|High: £1,666 GBP|Avg: £746 GBP|-0.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 8£168 GBP
Retailer 5£210 GBP
Retailer 6£240 GBP
Retailer 2£318 GBP
Retailer 3£371 GBP
Retailer 9£502 GBP
Retailer 10£545 GBP
Retailer 7£618 GBP
Retailer 11£823 GBP
Retailer 4£915 GBP
Retailer 12£1,263 GBP
Do Amore Diamonds£1,442 GBP

24 data points across 12 retailers

15 retailers£168 GBP to £1,442 GBP

Retailer 1
-
£159 GBP
Price last confirmed 30 days ago
A
Retailer 2
-
£168 GBP
View
Final sale: no returns
Retailer 3
-
£191 GBP
View
Price last confirmed 41 days ago
A
Retailer 4
-
£210 GBP
View
B+
Retailer 5
-
£240 GBP
View
A
Retailer 6
-
£318 GBP
View
A
Retailer 7
-
£371 GBP
View
A
Retailer 8
-
£502 GBP
View
A
Retailer 9
-
£545 GBP
View
B+
Retailer 10
-
£618 GBP
View
Retailer 11
-
£700 GBP
View
Price last confirmed 30 days ago
B+
Retailer 12
-
£823 GBP
View
Retailer 13
-
£915 GBP
View
Price last confirmed 33 days ago
B
Retailer 14
-
£1,263 GBP
View
Most Expensive
B
Do Amore Diamonds
27-6FECD3A58 · Nov 6
£1,442 GBP
$1,930 USD
View
14 more retailers have this diamond
Prices start from £168 GBPSave up to £1,274 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
1.27ct Radiant
£168 GBP