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Oval|Lab Grown|IGI

1.50ct H SI2 Oval Lab Grown Diamond

ID • H/SI2 • IGI LG440012253

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG440012253

Diamond specifications and retailer prices

From £623 GBP
$830 USD
As of October 29, 2026
Save £2,768 GBP (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,391 GBP at MOH London · As of October 29, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440012253 or 440012253. Listed at 10 retailers as of October 29, 2026, with prices from £623 to £3,391, a £2,768 spread on the same certified stone. MOH London lists it at £3,391. 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
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012253
Dimensions8.81 × 6.55 × 4.07 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.81 mm6.55 mm1.50 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440012253
Side View
Table 56.5%Crown 34.4°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £3,391 GBP|Low: £623 GBP|High: £3,414 GBP|Avg: £1,555 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 2£623 GBP
Retailer 8£675 GBP
Retailer 5£1,014 GBP
Retailer 3£1,050 GBP
Retailer 7£1,485 GBP
Retailer 4£1,665 GBP
Retailer 6£2,011 GBP
Retailer 9£2,350 GBP
MOH London£3,391 GBP

11 data points across 9 retailers

10 retailers£623 GBP to £3,391 GBP

A
Cheapest Retailer
-
£623 GBP
$830 USD
A
Retailer 2
-
£905 GBP
$1,205 USD
View
B+
Retailer 3
-
£984 GBP
$1,311 USD
View
B+
Retailer 4
-
£1,014 GBP
$1,350 USD
View
Final sale: no returns
Retailer 5
-
£1,050 GBP
$1,398 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
£1,050 GBP
$1,398 USD
View
B
Retailer 7
-
£1,665 GBP
$2,217 USD
View
B
Retailer 8
-
£1,968 GBP
$2,621 USD
View
B
Retailer 9
-
£2,011 GBP
$2,678 USD
View
Most Expensive
B
MOH London
LG440012253 · Oct 29
£3,391 GBP
View
9 more retailers have this diamond
Prices start from £623 GBPSave up to £2,768 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
£623 GBP