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Radiant|Lab Grown|IGI

1.01ct E IF Radiant Lab Grown Diamond

GD • E/IF • IGI LG670440000

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

Certificate IGI LG670440000

Diamond specifications and retailer prices

From £174 GBP
$232 USD
As of October 27, 2026
Save £1,283 GBP (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,457 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 IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG670440000 or 670440000. Listed at 23 retailers as of October 27, 2026, with prices from £174 to £1,457, a £1,283 spread on the same certified stone. Brilliant Earth lists it at £1,457. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.01
Carat
E
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670440000
Dimensions7.12 × 4.65 × 3.42 mm
L/W Ratio1.53
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.12 mm4.65 mm1.01 ctE / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670440000
Side View
Table 57.0%Crown 39.6°Girdle: THK-VTKPavilion 34.5°Culet: NoneDepth 73.5%

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 27
Current: £1,457 GBP|Low: £167 GBP|High: £1,457 GBP|Avg: £524 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
October 30, 2026
Retailer 4£174 GBP
Retailer 7£203 GBP
Retailer 5£216 GBP
Retailer 2£229 GBP
Retailer 3£293 GBP
Retailer 14£348 GBP
Retailer 11£372 GBP
Retailer 8£408 GBP
Retailer 12£528 GBP
Retailer 15£574 GBP
Retailer 10£671 GBP
Retailer 6£695 GBP
Retailer 13£852 GBP
Retailer 9£872 GBP
Brilliant Earth£1,457 GBP

34 data points across 15 retailers

23 retailers£174 GBP to £1,457 GBP

A
Cheapest Retailer
-
£174 GBP
$232 USD
A
Retailer 2
-
£194 GBP
$259 USD
View
Final sale: no returns
A
Retailer 3
-
£203 GBP
$270 USD
View
B+
Retailer 4
-
£216 GBP
$288 USD
View
B+
Retailer 5
-
£216 GBP
$288 USD
View
A
Retailer 6
-
£229 GBP
View
A
Retailer 7
-
£293 GBP
$390 USD
View
B+
Retailer 8
-
£343 GBP
$457 USD
View
B+
Retailer 9
-
£348 GBP
€441 EUR
View
B+
Retailer 10
-
£372 GBP
ZAR 7,996 ZAR
View
B+
Retailer 11
-
£408 GBP
View
B+
Retailer 12
-
£528 GBP
A$1,081 AUD
View
B
Retailer 13
-
£574 GBP
$765 USD
View
B
Retailer 14
-
£628 GBP
View
B
Retailer 15
-
£671 GBP
A$1,375 AUD
View
B
Retailer 16
-
£695 GBP
$926 USD
View
B
Retailer 17
-
£735 GBP
$978 USD
View
B
Retailer 18
-
£755 GBP
$1,006 USD
View
Retailer 19
-
£852 GBP
$1,135 USD
View
Price last confirmed 11 days ago
Retailer 20
-
£856 GBP
$1,140 USD
View
Price last confirmed 31 days ago
B
Retailer 21
-
£872 GBP
View
B
Retailer 22
-
£974 GBP
$1,297 USD
View
Most Expensive
C
Brilliant Earth
14010899A · Oct 29
£1,457 GBP
$1,940 USD
View
22 more retailers have this diamond
Prices start from £174 GBPSave up to £1,283 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
£174 GBP