Radiant|Lab Grown|IGI

1.27ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG640418242

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

Certificate IGI LG640418242

Diamond specifications and retailer prices

From £285 GBP
$382 USD
As of October 30, 2026
Save £786 GBP (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,724 GBP at Do Amore Diamonds · As of October 30, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG640418242 or 640418242. Listed at 11 retailers as of October 29, 2026, with a 276% 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

1.27
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640418242
Dimensions7.64 × 5.48 × 3.58 mm
L/W Ratio1.39
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.64 mm5.48 mm1.27 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640418242
Side View
Table 65.0%Crown 41°Girdle: MediumPavilion 37.1°Culet: NoneDepth 65.3%

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: Oct 30
Current: £1,724 GBP|Low: £152 GBP|High: £1,724 GBP|Avg: £650 GBP
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
Retailer 13
October 30, 2026
Retailer 5£152 GBP
Retailer 10£285 GBP
Retailer 11£358 GBP
Retailer 12£401 GBP
Retailer 8£457 GBP
Retailer 2£469 GBP
Retailer 7£648 GBP
Retailer 9£740 GBP
Retailer 13£978 GBP
Retailer 4£1,001 GBP
Retailer 3£1,012 GBP
Retailer 6£1,071 GBP
Do Amore Diamonds£1,724 GBP

32 data points across 13 retailers

11 retailers£285 GBP to £1,071 GBP

A
Cheapest Retailer
-
£285 GBP
$382 USD
A
Retailer 2
-
£358 GBP
$480 USD
View
B+
Retailer 3
-
£401 GBP
$537 USD
View
B+
Retailer 4
-
£457 GBP
ZAR 9,883 ZAR
View
B+
Retailer 5
-
£469 GBP
View
B+
Retailer 6
-
£648 GBP
A$1,336 AUD
View
B
Retailer 7
-
£740 GBP
$991 USD
View
B
Retailer 8
-
£978 GBP
$1,310 USD
View
B
Retailer 9
-
£1,001 GBP
$1,341 USD
View
B
Retailer 10
-
£1,071 GBP
View
Most Expensive
Do Amore Diamonds
27-A861D0200 · Oct 30
£1,724 GBP
$2,310 USD
View
Price under review
10 more retailers have this diamond
Prices start from £285 GBPSave up to £786 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
£285 GBP