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Oval|Lab Grown|IGI

1.50ct E IF Oval Lab Grown Diamond

E/IF • IGI LG780656564

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG780656564

Diamond specifications and retailer prices

From £344 GBP
$458 USD
As of October 29, 2026
Save £2,645 GBP (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £2,989 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 IF clarity (flawless or internally-flawless) and certified by IGI LG780656564 or 780656564. Listed at 24 retailers as of October 29, 2026, with prices from £344 to £2,989, a £2,645 spread on the same certified stone. Brilliant Earth lists it at £2,989. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
E
Colour
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780656564
Dimensions9.23 × 6.33 × 9.23 mm
L/W Ratio1.46
Girdle conditionFaceted
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
9.23 mm6.33 mm1.50 ctE / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780656564
Side View
Table 56.0%Crown 34.6°Girdle: THN-STKPavilion 40.9°Culet: NoneDepth 64.3%

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 29
Current: £2,989 GBP|Low: £333 GBP|High: £2,989 GBP|Avg: £990 GBP
Brilliant Earth
Retailer 2
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Retailer 22
October 30, 2026
Retailer 18£344 GBP
Retailer 20£384 GBP
Retailer 10£388 GBP
Retailer 3£427 GBP
Retailer 8£430 GBP
Retailer 19£533 GBP
Retailer 12£574 GBP
Retailer 11£607 GBP
Retailer 13£707 GBP
Retailer 6£717 GBP
Retailer 4£733 GBP
Retailer 17£795 GBP
Retailer 16£994 GBP
Retailer 7£994 GBP
Retailer 15£1,283 GBP
Retailer 22£1,354 GBP
Retailer 9£1,381 GBP
Retailer 5£1,395 GBP
Retailer 2£1,515 GBP
Retailer 21£1,576 GBP
Retailer 14£1,621 GBP
Brilliant Earth£2,989 GBP

35 data points across 22 retailers

24 retailers£344 GBP to £2,989 GBP

A
Cheapest Retailer
-
£344 GBP
$458 USD
A
Retailer 2
-
£384 GBP
$512 USD
View
Final sale: no returns
A
Retailer 3
-
£388 GBP
$517 USD
View
A
Retailer 4
-
£427 GBP
$568 USD
View
Retailer 5
-
£430 GBP
$572 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
£471 GBP
HK$4,900 HKD
View
A
Retailer 7
-
£533 GBP
$710 USD
View
A
Retailer 8
-
£574 GBP
$765 USD
View
B+
Retailer 9
-
£607 GBP
$808 USD
View
B+
Retailer 10
-
£707 GBP
View
B+
Retailer 11
-
£717 GBP
€909 EUR
View
B+
Retailer 12
-
£733 GBP
ZAR 15,780 ZAR
View
B+
Retailer 13
-
£795 GBP
$1,059 USD
View
B+
Retailer 14
-
£994 GBP
A$2,036 AUD
View
B
Retailer 15
-
£994 GBP
$1,324 USD
View
Retailer 16
-
£1,283 GBP
A$2,629 AUD
View
Price last confirmed 29 days ago
B
Retailer 17
-
£1,354 GBP
SGD 2,436 SGD
View
B
Retailer 18
-
£1,381 GBP
$1,839 USD
View
B
Retailer 19
-
£1,395 GBP
$1,858 USD
View
B
Retailer 20
-
£1,515 GBP
$2,018 USD
View
B
Retailer 21
-
£1,576 GBP
View
B
Retailer 22
-
£1,621 GBP
$2,158 USD
View
Retailer 23
-
£1,623 GBP
$2,162 USD
View
Price last confirmed 59 days ago
Most Expensive
C
Brilliant Earth
18531114A · Oct 29
£2,989 GBP
$3,980 USD
View
23 more retailers have this diamond
Prices start from £344 GBPSave up to £2,645 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
£344 GBP