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Radiant|Lab Grown|IGI

1.00ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG742544033

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

Certificate IGI LG742544033

Diamond specifications and retailer prices

From £142 GBP
$189 USD
As of October 27, 2026
Save £1,225 GBP (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,367 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG742544033 or 742544033. Listed at 21 retailers as of October 27, 2026, with prices from £142 to £1,367, a £1,225 spread on the same certified stone. Do Amore Diamonds lists it at £1,367. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742544033
Dimensions7.10 × 4.96 × 3.34 mm
L/W Ratio1.43
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
7.10 mm4.96 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742544033
Side View
Table 64.0%Crown 45°Girdle: Slightly ThickPavilion 33.6°Culet: NoneDepth 67.3%

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: £359 GBP|Low: £158 GBP|High: £849 GBP|Avg: £483 GBP|+4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 12£158 GBP
Retailer 10£309 GBP
Retailer 4£321 GBP
Retailer 6£334 GBP
Retailer 11£354 GBP
Retailer 1£359 GBP
Retailer 7£475 GBP
Retailer 9£568 GBP
Retailer 3£754 GBP
Retailer 2£755 GBP
Retailer 5£783 GBP
Retailer 8£837 GBP

41 data points across 12 retailers

21 retailers£142 GBP to £1,367 GBP

A
Cheapest Retailer
-
£142 GBP
$189 USD
A
Retailer 2
-
£158 GBP
$211 USD
View
Final sale: no returns
A
Retailer 3
-
£164 GBP
$219 USD
View
A
Retailer 4
-
£176 GBP
$235 USD
View
A
Retailer 5
-
£176 GBP
$235 USD
View
A
Retailer 6
-
£269 GBP
HK$2,800 HKD
View
A
Retailer 7
-
£309 GBP
$411 USD
View
A
Retailer 8
-
£321 GBP
$428 USD
View
A
Retailer 9
-
£334 GBP
ZAR 7,184 ZAR
View
A
Retailer 10
-
£354 GBP
$472 USD
View
A
Retailer 11
-
£359 GBP
View
B+
Retailer 12
-
£475 GBP
A$973 AUD
View
B+
Retailer 13
-
£568 GBP
$757 USD
View
B+
Retailer 14
-
£625 GBP
$832 USD
View
B+
Retailer 15
-
£655 GBP
SGD 1,179 SGD
View
B
Retailer 16
-
£754 GBP
$1,005 USD
View
B
Retailer 17
-
£755 GBP
View
B+
Retailer 18
-
£783 GBP
View
B+
Retailer 19
-
£837 GBP
$1,115 USD
View
Price last confirmed 10 days ago
B
Retailer 20
-
£871 GBP
$1,160 USD
View
Most Expensive
B
Do Amore Diamonds
27-3FF3F0DE7 · Oct 29
£1,367 GBP
$1,820 USD
View
20 more retailers have this diamond
Prices start from £142 GBPSave up to £1,225 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
1.00ct Radiant
£142 GBP