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Princess|Lab Grown|IGI

1.42ct F VS1 Princess Lab Grown Diamond

EX • F/VS1 • IGI LG803637108

Shape and cutting style on the report: Princess cut

Certificate IGI LG803637108

Diamond specifications and retailer prices

From £144 GBP
$193 USD
As of November 2, 2026
Save £542 GBP (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £837 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 1.42ct lab-grown princess diamond

This 1.42ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG803637108 or 803637108. Listed at 12 retailers as of October 31, 2026, with a 377% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.42
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803637108
Dimensions6.26 × 6.19 × 4.38 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.26 mm6.19 mm1.42 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803637108
Side View
Table 69.0%Crown 40.1°Girdle: MediumPavilion 39.1°Culet: NoneDepth 70.8%

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: Nov 2
Current: £837 GBP|Low: £144 GBP|High: £880 GBP|Avg: £512 GBP|-4.9%
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
Retailer 15
November 2, 2026
Retailer 12£144 GBP
Retailer 10£167 GBP
Retailer 8£214 GBP
Retailer 9£304 GBP
Retailer 5£327 GBP
Retailer 15£424 GBP
Retailer 2£436 GBP
Retailer 6£565 GBP
Retailer 3£575 GBP
Retailer 11£577 GBP
Retailer 7£615 GBP
Retailer 14£627 GBP
Retailer 13£686 GBP
Retailer 4£741 GBP
MOH London£837 GBP

32 data points across 15 retailers

12 retailers£144 GBP to £686 GBP

A
Cheapest Retailer
-
£144 GBP
$193 USD
A
Retailer 2
-
£167 GBP
$224 USD
View
A
Retailer 3
-
£214 GBP
View
A
Retailer 4
-
£304 GBP
€389 EUR
View
A
Retailer 5
-
£424 GBP
$569 USD
View
A
Retailer 6
-
£436 GBP
A$900 AUD
View
B+
Retailer 7
-
£575 GBP
$771 USD
View
B
Retailer 8
-
£577 GBP
$774 USD
View
B+
Retailer 9
-
£627 GBP
$841 USD
View
B
Retailer 10
-
£686 GBP
$920 USD
View
Retailer 11
-
£741 GBP
SGD 1,344 SGD
View
Price last confirmed 20 days ago
Most Expensive
MOH London
LG803637108 · Oct 25
£837 GBP
View
Price last confirmed 8 days ago
11 more retailers have this diamond
Prices start from £144 GBPSave up to £542 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 Princess
£144 GBP