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Oval|Lab Grown|IGI

1.50ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG839683002

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839683002

Diamond specifications and retailer prices

From £229 GBP
$307 USD
As of October 29, 2026
Save £910 GBP (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,139 GBP at MOH London · As of October 26, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG839683002 or 839683002. Listed at 10 retailers as of October 26, 2026, with prices from £229 to £1,139, a £910 spread on the same certified stone. MOH London lists it at £1,139. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839683002
Dimensions9.62 × 6.56 × 3.84 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.62 mm6.56 mm1.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839683002
Side View
Table 63.0%Crown 33.8°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 58.5%

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: £1,139 GBP|Low: £284 GBP|High: £1,139 GBP|Avg: £573 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 6£284 GBP
Retailer 4£317 GBP
Retailer 3£392 GBP
Retailer 7£392 GBP
Retailer 8£462 GBP
Retailer 2£505 GBP
Retailer 5£872 GBP
Retailer 9£873 GBP
MOH London£1,139 GBP

12 data points across 9 retailers

10 retailers£229 GBP to £1,139 GBP

A
Cheapest Retailer
-
£229 GBP
$307 USD
A
Retailer 2
-
£284 GBP
$380 USD
View
A
Retailer 3
-
£317 GBP
View
A
Retailer 4
-
£392 GBP
$525 USD
View
B+
Retailer 5
-
£392 GBP
$525 USD
View
B+
Retailer 6
-
£462 GBP
$619 USD
View
B+
Retailer 7
-
£505 GBP
View
B
Retailer 8
-
£872 GBP
$1,169 USD
View
B
Retailer 9
-
£873 GBP
$1,170 USD
View
Most Expensive
B
MOH London
LG839683002 · Oct 26
£1,139 GBP
View
9 more retailers have this diamond
Prices start from £229 GBPSave up to £910 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
£229 GBP