CaratHunter
Plans
Radiant|Lab Grown|IGI

1.20ct E FL Radiant Lab Grown Diamond

EX • E/FL • IGI LG768629572

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

Certificate IGI LG768629572

Diamond specifications and retailer prices

From £306 GBP
HK$3,200 HKD
As of October 30, 2026
Save £1,321 GBP (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,627 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.2ct lab-grown radiant diamond

This 1.2ct 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 LG768629572 or 768629572. Listed at 12 retailers as of October 30, 2026, with prices from £306 to £1,627, a £1,321 spread on the same certified stone. Brilliant Earth lists it at £1,627. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629572
Dimensions7.42 × 5.35 × 3.46 mm
L/W Ratio1.39
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
7.42 mm5.35 mm1.20 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629572
Side View
Table 66.0%Crown 43.9°Girdle: Slightly ThickPavilion 33.1°Culet: NoneDepth 64.7%

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: £1,627 GBP|Low: £205 GBP|High: £1,955 GBP|Avg: £736 GBP|-16.8%
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
October 30, 2026
Retailer 5£205 GBP
Retailer 9£306 GBP
Retailer 3£373 GBP
Retailer 8£433 GBP
Retailer 10£449 GBP
Retailer 7£453 GBP
Retailer 2£465 GBP
Retailer 12£587 GBP
Retailer 11£591 GBP
Retailer 13£885 GBP
Retailer 4£991 GBP
Retailer 6£1,063 GBP
Brilliant Earth£1,627 GBP

41 data points across 13 retailers

12 retailers£306 GBP to £1,627 GBP

A
Cheapest Retailer
-
£306 GBP
HK$3,200 HKD
A
Retailer 2
-
£373 GBP
$500 USD
View
Retailer 3
-
£433 GBP
€553 EUR
View
Price last confirmed 7 days ago
A
Retailer 4
-
£449 GBP
$602 USD
View
A
Retailer 5
-
£453 GBP
ZAR 9,812 ZAR
View
A
Retailer 6
-
£465 GBP
View
B+
Retailer 7
-
£587 GBP
$787 USD
View
B+
Retailer 8
-
£591 GBP
$792 USD
View
B+
Retailer 9
-
£885 GBP
$1,186 USD
View
B+
Retailer 10
-
£991 GBP
$1,328 USD
View
B
Retailer 11
-
£1,063 GBP
View
Most Expensive
B
Brilliant Earth
18781785A · Oct 30
£1,627 GBP
$2,180 USD
View
11 more retailers have this diamond
Prices start from £306 GBPSave up to £1,321 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
1.20ct Radiant
£306 GBP