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Round|Lab Grown|IGI

1.42ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG825658753

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825658753

Diamond specifications and retailer prices

From £173 GBP
$232 USD
As of October 29, 2026
Save £690 GBP (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £863 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.42ct lab-grown round diamond

This 1.42ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825658753 or 825658753. Listed at 16 retailers as of October 29, 2026, with prices from £173 to £863, a £690 spread on the same certified stone. MOH London lists it at £863. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.42
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825658753
Dimensions7.20 × 7.16 × 4.42 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.20 mm7.16 mm1.42 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825658753
Side View
Table 58.0%Crown 34.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.6%

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: £863 GBP|Low: £173 GBP|High: £933 GBP|Avg: £543 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
Retailer 13
October 29, 2026
Retailer 11£173 GBP
Retailer 12£214 GBP
Retailer 13£363 GBP
Retailer 6£368 GBP
Retailer 2£389 GBP
Retailer 4£408 GBP
Retailer 9£466 GBP
Retailer 7£523 GBP
Retailer 10£563 GBP
Retailer 5£728 GBP
Retailer 3£789 GBP
Retailer 8£858 GBP
MOH London£863 GBP

29 data points across 13 retailers

16 retailers£173 GBP to £863 GBP

A
Cheapest Retailer
-
£173 GBP
$232 USD
A
Retailer 2
-
£201 GBP
$269 USD
View
A
Retailer 3
-
£214 GBP
$287 USD
View
A
Retailer 4
-
£214 GBP
$287 USD
View
A
Retailer 5
-
£363 GBP
$486 USD
View
A
Retailer 6
-
£368 GBP
ZAR 7,973 ZAR
View
A
Retailer 7
-
£389 GBP
€496 EUR
View
A
Retailer 8
-
£408 GBP
$547 USD
View
A
Retailer 9
-
£466 GBP
$625 USD
View
A
Retailer 10
-
£523 GBP
A$1,078 AUD
View
B+
Retailer 11
-
£563 GBP
$755 USD
View
B+
Retailer 12
-
£690 GBP
$924 USD
View
B+
Retailer 13
-
£728 GBP
$976 USD
View
B+
Retailer 14
-
£805 GBP
$1,079 USD
View
B+
Retailer 15
-
£858 GBP
$1,150 USD
View
Most Expensive
B+
MOH London
LG825658753 · Oct 29
£863 GBP
View
15 more retailers have this diamond
Prices start from £173 GBPSave up to £690 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 Round
£173 GBP