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Oval|Lab Grown|IGI

1.50ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG778610315

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778610315

Diamond specifications and retailer prices

From £394 GBP
A$808 AUD
As of October 29, 2026
7 retailers carry this diamond
Most expensive: £856 GBP at MOH London · As of October 5, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG778610315 or 778610315. Listed at 7 retailers as of October 29, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778610315
Dimensions8.96 × 6.57 × 3.90 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.96 mm6.57 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778610315
Side View
Table 59.0%Crown 32.1°Girdle: STK-VTKPavilion 37.9°Culet: NoneDepth 59.4%

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 29
Current: £856 GBP|Low: £138 GBP|High: £856 GBP|Avg: £354 GBP|+0.1%
MOH London
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 19, 2026
Retailer 6£138 GBP
Retailer 10£140 GBP
Retailer 3£170 GBP
Retailer 9£181 GBP
Retailer 14£181 GBP
Retailer 5£315 GBP
Retailer 11£317 GBP
Retailer 7£324 GBP
Retailer 12£336 GBP
Retailer 4£374 GBP
Retailer 2£394 GBP
Retailer 13£582 GBP
Retailer 8£773 GBP
MOH London£856 GBP

22 data points across 14 retailers

7 retailers

A
Retailer 1
-
£140 GBP
$187 USD
Price last confirmed 28 days ago
A
Retailer 2
-
£170 GBP
$226 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
£181 GBP
$241 USD
View
Price last confirmed 27 days ago
B+
Retailer 4
-
£394 GBP
A$808 AUD
View
B
Retailer 5
-
£582 GBP
$775 USD
View
Price last confirmed 29 days ago
B
Retailer 6
-
£773 GBP
$1,030 USD
View
Price last confirmed 23 days ago
Most Expensive
B
MOH London
LG778610315 · Oct 5
£856 GBP
View
Price last confirmed 24 days ago
6 more retailers have this diamond
Prices start from £394 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
£394 GBP