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Princess|Lab Grown|IGI

1.42ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG771660314

Shape and cutting style on the report: Princess cut

Certificate IGI LG771660314

Diamond specifications and retailer prices

From £144 GBP
$193 USD
As of November 2, 2026
Save £484 GBP (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £842 GBP at MOH London · As of October 21, 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 LG771660314 or 771660314. Listed at 12 retailers as of November 1, 2026, with a 336% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771660314
Dimensions6.11 × 6.05 × 4.29 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
6.11 mm6.05 mm1.42 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771660314
Side View
Table 73.0%Crown 45°Girdle: MediumPavilion 38.1°Culet: NoneDepth 70.9%

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: £842 GBP|Low: £141 GBP|High: £864 GBP|Avg: £481 GBP|-2.5%
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
Retailer 14
Retailer 15
November 2, 2026
Retailer 11£144 GBP
Retailer 9£167 GBP
Retailer 13£215 GBP
Retailer 8£305 GBP
Retailer 5£323 GBP
Retailer 15£425 GBP
Retailer 2£437 GBP
Retailer 6£565 GBP
Retailer 3£575 GBP
Retailer 10£578 GBP
Retailer 12£590 GBP
Retailer 7£608 GBP
Retailer 14£628 GBP
Retailer 4£742 GBP
MOH London£842 GBP

29 data points across 15 retailers

12 retailers£144 GBP to £628 GBP

A
Cheapest Retailer
-
£144 GBP
$193 USD
A
Retailer 2
-
£167 GBP
$224 USD
View
Retailer 3
-
£215 GBP
View
Price last confirmed 16 days ago
A
Retailer 4
-
£305 GBP
€389 EUR
View
B+
Retailer 5
-
£425 GBP
$569 USD
View
A
Retailer 6
-
£437 GBP
A$900 AUD
View
B+
Retailer 7
-
£575 GBP
$771 USD
View
B+
Retailer 8
-
£578 GBP
$774 USD
View
B+
Retailer 9
-
£590 GBP
$790 USD
View
B+
Retailer 10
-
£628 GBP
$841 USD
View
Retailer 11
-
£742 GBP
SGD 1,344 SGD
View
Price last confirmed 20 days ago
Most Expensive
MOH London
LG771660314 · Oct 21
£842 GBP
View
Price last confirmed 12 days ago
11 more retailers have this diamond
Prices start from £144 GBPSave up to £484 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