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Oval|Lab Grown|IGI

1.42ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG828634972

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG828634972

Diamond specifications and retailer prices

From £165 GBP
$221 USD
As of October 29, 2026
Save £659 GBP (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £824 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.42ct lab-grown oval diamond

This 1.42ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG828634972 or 828634972. Listed at 12 retailers as of October 29, 2026, with prices from £165 to £824, a £659 spread on the same certified stone. MOH London lists it at £824. 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

1.42
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828634972
Dimensions9.21 × 6.29 × 3.96 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.21 mm6.29 mm1.42 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828634972
Side View
Table 56.0%Crown 34.6°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.0%

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: £824 GBP|Low: £158 GBP|High: £1,224 GBP|Avg: £537 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7£165 GBP
Retailer 11£191 GBP
Retailer 4£229 GBP
Retailer 9£349 GBP
Retailer 8£416 GBP
Retailer 12£454 GBP
Retailer 5£638 GBP
Retailer 10£658 GBP
Retailer 6£660 GBP
Retailer 3£664 GBP
Retailer 2£702 GBP
MOH London£824 GBP

18 data points across 12 retailers

12 retailers£165 GBP to £824 GBP

A
Cheapest Retailer
-
£165 GBP
$221 USD
A
Retailer 2
-
£191 GBP
$256 USD
View
A
Retailer 3
-
£229 GBP
HK$2,400 HKD
View
A
Retailer 4
-
£349 GBP
$468 USD
View
B+
Retailer 5
-
£416 GBP
A$858 AUD
View
B+
Retailer 6
-
£454 GBP
$608 USD
View
Retailer 7
-
£638 GBP
$855 USD
View
Price last confirmed 9 days ago
B
Retailer 8
-
£658 GBP
$881 USD
View
B
Retailer 9
-
£660 GBP
$884 USD
View
B
Retailer 10
-
£664 GBP
SGD 1,202 SGD
View
B
Retailer 11
-
£702 GBP
$940 USD
View
Most Expensive
B
MOH London
LG828634972 · Oct 29
£824 GBP
View
11 more retailers have this diamond
Prices start from £165 GBPSave up to £659 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
1.42ct Oval
£165 GBP