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Round|Lab Grown|IGI

1.50ct E FL Round Lab Grown Diamond

EX • E/FL • IGI LG840617063

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840617063

Diamond specifications and retailer prices

From £386 GBP
$517 USD
As of October 30, 2026
Save £1,987 GBP (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,373 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 LG840617063 or 840617063. Listed at 14 retailers as of October 30, 2026, with prices from £386 to £2,373, a £1,987 spread on the same certified stone. Brilliant Earth lists it at £2,373. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840617063
Dimensions7.27 × 7.30 × 4.59 mm
L/W Ratio1.00
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
7.27 mm7.30 mm1.50 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840617063
Side View
Table 55.0%Crown 35.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.9%

Caratlytics Score

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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 30
Current: £2,373 GBP|Low: £386 GBP|High: £2,776 GBP|Avg: £1,085 GBP|-14.5%
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
Retailer 14
October 30, 2026
Retailer 13£386 GBP
Retailer 4£468 GBP
Retailer 12£571 GBP
Retailer 3£578 GBP
Retailer 7£644 GBP
Retailer 10£652 GBP
Retailer 8£706 GBP
Retailer 11£734 GBP
Retailer 2£1,149 GBP
Retailer 14£1,354 GBP
Retailer 6£1,549 GBP
Retailer 9£1,578 GBP
Retailer 5£1,955 GBP
Brilliant Earth£2,373 GBP

15 data points across 14 retailers

14 retailers£386 GBP to £2,373 GBP

A
Cheapest Retailer
-
£386 GBP
$517 USD
Final sale: no returns
A
Retailer 2
-
£468 GBP
HK$4,900 HKD
View
A
Retailer 3
-
£571 GBP
$765 USD
View
A
Retailer 4
-
£578 GBP
$775 USD
View
A
Retailer 5
-
£644 GBP
View
A
Retailer 6
-
£652 GBP
€832 EUR
View
A
Retailer 7
-
£706 GBP
View
A
Retailer 8
-
£734 GBP
ZAR 15,894 ZAR
View
B+
Retailer 9
-
£1,149 GBP
$1,539 USD
View
B+
Retailer 10
-
£1,354 GBP
SGD 2,452 SGD
View
B
Retailer 11
-
£1,549 GBP
$2,076 USD
View
B
Retailer 12
-
£1,578 GBP
View
Retailer 13
-
£1,955 GBP
$2,620 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
22132441A · Oct 30
£2,373 GBP
$3,180 USD
View
13 more retailers have this diamond
Prices start from £386 GBPSave up to £1,987 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
£386 GBP