Oval|Lab Grown|IGI

1.50ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG830644640

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG830644640

Diamond specifications and retailer prices

From £597 GBP
$795 USD
As of October 28, 2026
Save £2,670 GBP (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,267 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.5ct lab-grown oval diamond

This 1.5ct lab-grown oval 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 LG830644640 or 830644640. Listed at 13 retailers as of October 28, 2026, with prices from £597 to £3,267, a £2,670 spread on the same certified stone. Brilliant Earth lists it at £3,267. 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 angle34°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830644640
Dimensions9.44 × 6.48 × 3.91 mm
L/W Ratio1.46
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
9.44 mm6.48 mm1.50 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830644640
Side View
Table 62.0%Crown 34°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 60.3%

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 28
Current: £3,267 GBP|Low: £249 GBP|High: £3,387 GBP|Avg: £987 GBP|-3.5%
Brilliant Earth
Retailer 2
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Retailer 6
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 9, 2026
Retailer 7£376 GBP
Retailer 6£381 GBP
Retailer 4£571 GBP
Retailer 16£573 GBP
Retailer 2£597 GBP
Retailer 19£613 GBP
Retailer 17£642 GBP
Retailer 8£692 GBP
Retailer 9£782 GBP
Retailer 14£823 GBP
Retailer 10£1,236 GBP
Retailer 12£1,243 GBP
Retailer 3£1,273 GBP
Retailer 11£1,385 GBP
Retailer 18£1,488 GBP
Retailer 5£1,587 GBP
Retailer 13£1,723 GBP
Retailer 15£2,462 GBP
Brilliant Earth£3,267 GBP

21 data points across 19 retailers

13 retailers£597 GBP to £3,267 GBP

A
Retailer 1
-
£303 GBP
$404 USD
Price last confirmed 36 days ago
A
Retailer 2
-
£371 GBP
$494 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
£597 GBP
$795 USD
View
A
Retailer 4
-
£642 GBP
ZAR 13,818 ZAR
View
Price last confirmed 28 days ago
B+
Retailer 5
-
£692 GBP
$922 USD
View
Price last confirmed 26 days ago
B+
Retailer 6
-
£823 GBP
$1,096 USD
View
B
Retailer 7
-
£1,236 GBP
$1,646 USD
View
Price last confirmed 27 days ago
B
Retailer 8
-
£1,243 GBP
CA$2,299 CAD
View
B
Retailer 9
-
£1,385 GBP
$1,845 USD
View
Price last confirmed 27 days ago
B
Retailer 10
-
£1,488 GBP
View
Price last confirmed 28 days ago
B
Retailer 11
-
£1,723 GBP
$2,295 USD
View
B
Retailer 12
-
£2,462 GBP
$3,279 USD
View
Most Expensive
B
Brilliant Earth
21717495A · Oct 29
£3,267 GBP
$4,350 USD
View
12 more retailers have this diamond
Prices start from £597 GBPSave up to £2,670 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 Oval
£597 GBP