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Round|Lab Grown|IGI

1.50ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG836612957

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836612957

Diamond specifications and retailer prices

From £354 GBP
$474 USD
As of October 29, 2026
Save £1,452 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,806 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round 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 LG836612957 or 836612957. Listed at 20 retailers as of October 29, 2026, with prices from £354 to £1,806, a £1,452 spread on the same certified stone. Brilliant Earth lists it at £1,806. 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 angle32.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836612957
Dimensions7.36 × 7.44 × 4.46 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.36 mm7.44 mm1.50 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836612957
Side View
Table 57.0%Crown 32.9°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.4%

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 29
Current: £1,806 GBP|Low: £354 GBP|High: £2,232 GBP|Avg: £970 GBP|-19.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
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Retailer 19
Retailer 20
October 30, 2026
Retailer 16£354 GBP
Retailer 4£396 GBP
Retailer 10£396 GBP
Retailer 9£439 GBP
Retailer 6£545 GBP
Retailer 3£618 GBP
Retailer 14£661 GBP
Retailer 19£669 GBP
Retailer 17£671 GBP
Retailer 7£689 GBP
Retailer 15£725 GBP
Retailer 20£754 GBP
Retailer 2£1,009 GBP
Retailer 11£1,021 GBP
Retailer 8£1,410 GBP
Retailer 12£1,431 GBP
Retailer 5£1,543 GBP
Retailer 18£1,620 GBP
Retailer 13£1,640 GBP
Brilliant Earth£1,806 GBP

5 data points across 20 retailers

20 retailers£354 GBP to £1,806 GBP

A
Cheapest Retailer
-
£354 GBP
$474 USD
A
Retailer 2
-
£396 GBP
$531 USD
View
A
Retailer 3
-
£396 GBP
$531 USD
View
Final sale: no returns
A
Retailer 4
-
£439 GBP
$588 USD
View
A
Retailer 5
-
£545 GBP
$730 USD
View
A
Retailer 6
-
£618 GBP
$828 USD
View
A
Retailer 7
-
£661 GBP
View
A
Retailer 8
-
£669 GBP
$897 USD
View
A
Retailer 9
-
£671 GBP
€856 EUR
View
A
Retailer 10
-
£689 GBP
$923 USD
View
A
Retailer 11
-
£725 GBP
View
B+
Retailer 12
-
£754 GBP
ZAR 16,312 ZAR
View
B+
Retailer 13
-
£1,009 GBP
$1,352 USD
View
B+
Retailer 14
-
£1,021 GBP
$1,368 USD
View
B
Retailer 15
-
£1,410 GBP
$1,889 USD
View
B
Retailer 16
-
£1,431 GBP
$1,918 USD
View
B
Retailer 17
-
£1,543 GBP
$2,067 USD
View
B
Retailer 18
-
£1,620 GBP
View
B
Retailer 19
-
£1,640 GBP
$2,198 USD
View
Most Expensive
B
Brilliant Earth
22318687A · Oct 30
£1,806 GBP
$2,420 USD
View
19 more retailers have this diamond
Prices start from £354 GBPSave up to £1,452 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 Round
£354 GBP