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Radiant|Lab Grown|IGI

1.50ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG811638201

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

Certificate IGI LG811638201

Diamond specifications and retailer prices

From £405 GBP
As of October 30, 2026
Save £2,140 GBP (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,545 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.5ct lab-grown radiant diamond

This 1.5ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811638201 or 811638201. Listed at 9 retailers as of October 30, 2026, with prices from £405 to £2,545, a £2,140 spread on the same certified stone. Do Amore Diamonds lists it at £2,545. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811638201
Dimensions8.21 × 5.75 × 3.68 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
8.21 mm5.75 mm1.50 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811638201
Side View
Table 64.0%Crown 44.5°Girdle: MED-STKPavilion 33.4°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: £2,545 GBP|Low: £351 GBP|High: £3,269 GBP|Avg: £1,387 GBP|-22.1%
Do Amore Diamonds
Retailer 2
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October 30, 2026
Retailer 3£351 GBP
Retailer 9£405 GBP
Retailer 13£565 GBP
Retailer 11£593 GBP
Retailer 16£833 GBP
Retailer 6£909 GBP
Retailer 7£926 GBP
Retailer 12£946 GBP
Retailer 15£1,260 GBP
Retailer 10£1,450 GBP
Retailer 4£1,479 GBP
Retailer 5£1,767 GBP
Retailer 2£2,112 GBP
Retailer 8£2,193 GBP
Retailer 14£2,515 GBP
Do Amore Diamonds£2,545 GBP

19 data points across 16 retailers

9 retailers£405 GBP to £2,545 GBP

A
Cheapest Retailer
-
£405 GBP
A
Retailer 2
-
£565 GBP
$757 USD
View
A
Retailer 3
-
£593 GBP
$795 USD
View
B+
Retailer 4
-
£946 GBP
$1,268 USD
View
B+
Retailer 5
-
£1,260 GBP
$1,688 USD
View
B+
Retailer 6
-
£1,450 GBP
View
B
Retailer 7
-
£2,112 GBP
$2,830 USD
View
Retailer 8
-
£2,515 GBP
$3,370 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-04E75D7DF · Oct 30
£2,545 GBP
$3,410 USD
View
8 more retailers have this diamond
Prices start from £405 GBPSave up to £2,140 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
1.50ct Radiant
£405 GBP