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Princess|Lab Grown|IGI

1.20ct G VVS2 Princess Lab Grown Diamond

ID • G/VVS2 • IGI LG623431382

Shape and cutting style on the report: Princess cut

Certificate IGI LG623431382

Diamond specifications and retailer prices

From £136 GBP
$182 USD
As of November 2, 2026
Save £653 GBP (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £789 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.2ct lab-grown princess diamond

This 1.2ct lab-grown princess sits in the classic one-carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG623431382 or 623431382. Listed at 12 retailers as of November 1, 2026, with prices from £136 to £789, a £653 spread on the same certified stone. MOH London lists it at £789. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623431382
Dimensions5.76 × 5.73 × 4.26 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.76 mm5.73 mm1.20 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623431382
Side View
Table 71.0%Crown 44.5°Girdle: MediumPavilion 40.2°Culet: NoneDepth 74.3%

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: £789 GBP|Low: £136 GBP|High: £798 GBP|Avg: £362 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 5£136 GBP
Retailer 7£151 GBP
Retailer 3£291 GBP
Retailer 6£298 GBP
Retailer 2£305 GBP
Retailer 8£335 GBP
Retailer 4£573 GBP
MOH London£789 GBP

43 data points across 8 retailers

12 retailers£136 GBP to £789 GBP

A
Cheapest Retailer
-
£136 GBP
$182 USD
A
Retailer 2
-
£151 GBP
$203 USD
View
Final sale: no returns
A
Retailer 3
-
£158 GBP
$212 USD
View
Retailer 4
-
£169 GBP
$226 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
£169 GBP
$226 USD
View
A
Retailer 6
-
£291 GBP
ZAR 6,311 ZAR
View
A
Retailer 7
-
£298 GBP
$399 USD
View
A
Retailer 8
-
£305 GBP
View
A
Retailer 9
-
£335 GBP
$449 USD
View
B
Retailer 10
-
£542 GBP
$727 USD
View
B+
Retailer 11
-
£573 GBP
$768 USD
View
Most Expensive
B
MOH London
LG623431382 · Nov 1
£789 GBP
View
11 more retailers have this diamond
Prices start from £136 GBPSave up to £653 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
1.20ct Princess
£136 GBP