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Radiant|Lab Grown|IGI

1.00ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG696523241

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

Certificate IGI LG696523241

Diamond specifications and retailer prices

From £147 GBP
$196 USD
As of October 27, 2026
Save £1,114 GBP (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,262 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 LG696523241 or 696523241. Listed at 21 retailers as of October 27, 2026, with prices from £147 to £1,262, a £1,114 spread on the same certified stone. Brilliant Earth lists it at £1,262. 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 angle42.5°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696523241
Dimensions4.87 × 4.87 × 6.87 mm
L/W Ratio1.00
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
4.87 mm4.87 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696523241
Side View
Table 68.0%Crown 42.5°Girdle: STK-THKPavilion 36.5°Culet: NoneDepth 69.8%

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 27
Current: £1,262 GBP|Low: £140 GBP|High: £1,262 GBP|Avg: £455 GBP|+3.1%
Brilliant Earth
Retailer 2
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Retailer 20
October 29, 2026
Retailer 19£147 GBP
Retailer 9£164 GBP
Retailer 17£170 GBP
Retailer 5£182 GBP
Retailer 8£182 GBP
Retailer 14£313 GBP
Retailer 6£318 GBP
Retailer 13£331 GBP
Retailer 16£346 GBP
Retailer 3£360 GBP
Retailer 18£413 GBP
Retailer 15£445 GBP
Retailer 4£490 GBP
Retailer 20£586 GBP
Retailer 10£626 GBP
Retailer 12£634 GBP
Retailer 11£655 GBP
Retailer 2£856 GBP
Retailer 7£886 GBP
Brilliant Earth£1,262 GBP

41 data points across 20 retailers

21 retailers£147 GBP to £1,262 GBP

A
Cheapest Retailer
-
£147 GBP
$196 USD
A
Retailer 2
-
£164 GBP
$218 USD
View
Final sale: no returns
A
Retailer 3
-
£170 GBP
$227 USD
View
A
Retailer 4
-
£182 GBP
$243 USD
View
A
Retailer 5
-
£182 GBP
$243 USD
View
A
Retailer 6
-
£313 GBP
ZAR 6,734 ZAR
View
A
Retailer 7
-
£318 GBP
$424 USD
View
A
Retailer 8
-
£331 GBP
View
A
Retailer 9
-
£346 GBP
€439 EUR
View
A
Retailer 10
-
£360 GBP
$480 USD
View
A
Retailer 11
-
£413 GBP
$550 USD
View
A
Retailer 12
-
£445 GBP
A$911 AUD
View
B+
Retailer 13
-
£490 GBP
$653 USD
View
B+
Retailer 14
-
£586 GBP
$780 USD
View
B+
Retailer 15
-
£626 GBP
$834 USD
View
B+
Retailer 16
-
£647 GBP
$861 USD
View
B+
Retailer 17
-
£655 GBP
A$1,342 AUD
View
Price last confirmed 28 days ago
B
Retailer 18
-
£813 GBP
$1,083 USD
View
Price last confirmed 59 days ago
B+
Retailer 19
-
£856 GBP
View
B
Retailer 20
-
£886 GBP
$1,180 USD
View
Most Expensive
B
Brilliant Earth
15978266A · Oct 28
£1,262 GBP
$1,680 USD
View
20 more retailers have this diamond
Prices start from £147 GBPSave up to £1,114 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
£147 GBP