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Radiant|Lab Grown|IGI

1.01ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG804650046

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

Certificate IGI LG804650046

Diamond specifications and retailer prices

From £310 GBP
$415 USD
As of October 30, 2026
Save £1,265 GBP (80%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,575 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804650046 or 804650046. Listed at 7 retailers as of October 29, 2026, with prices from £310 to £1,575, a £1,265 spread on the same certified stone. Brilliant Earth lists it at £1,575. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804650046
Dimensions7.21 × 5.03 × 3.22 mm
L/W Ratio1.43
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
7.21 mm5.03 mm1.01 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804650046
Side View
Table 69.0%Crown 41.6°Girdle: Slightly ThickPavilion 34.2°Culet: NoneDepth 64.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,575 GBP|Low: £177 GBP|High: £1,642 GBP|Avg: £719 GBP|-4.1%
Brilliant Earth
Retailer 2
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October 29, 2026
Retailer 5£177 GBP
Retailer 17£276 GBP
Retailer 12£310 GBP
Retailer 3£437 GBP
Retailer 6£444 GBP
Retailer 16£456 GBP
Retailer 9£460 GBP
Retailer 15£475 GBP
Retailer 11£571 GBP
Retailer 14£678 GBP
Retailer 4£778 GBP
Retailer 2£787 GBP
Retailer 7£922 GBP
Retailer 8£1,001 GBP
Retailer 10£1,373 GBP
Retailer 13£1,418 GBP
Brilliant Earth£1,575 GBP

14 data points across 17 retailers

7 retailers£310 GBP to £1,575 GBP

A
Cheapest Retailer
-
£310 GBP
$415 USD
B+
Retailer 2
-
£571 GBP
$765 USD
View
B+
Retailer 3
-
£678 GBP
$909 USD
View
B+
Retailer 4
-
£787 GBP
View
B
Retailer 5
-
£1,373 GBP
$1,840 USD
View
Retailer 6
-
£1,418 GBP
$1,900 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21731398Y · Oct 29
£1,575 GBP
$2,110 USD
View
6 more retailers have this diamond
Prices start from £310 GBPSave up to £1,265 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
1.01ct Radiant
£310 GBP