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Princess|Lab Grown|IGI

1.40ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG809698732

Shape and cutting style on the report: Princess cut

Certificate IGI LG809698732

Diamond specifications and retailer prices

From £314 GBP
As of November 4, 2026
Save £738 GBP (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,052 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.4ct lab-grown princess diamond

This 1.4ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG809698732 or 809698732. Listed at 9 retailers as of November 4, 2026, with prices from £314 to £1,052, a £738 spread on the same certified stone. Brilliant Earth lists it at £1,052. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809698732
Dimensions6.20 × 6.15 × 4.17 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.20 mm6.15 mm1.40 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809698732
Side View
Table 68.0%Crown 41.2°Girdle: MediumPavilion 36.8°Culet: NoneDepth 67.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: £1,052 GBP|Low: £301 GBP|High: £1,067 GBP|Avg: £534 GBP|+23.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 4£314 GBP
Retailer 2£325 GBP
Retailer 6£333 GBP
Retailer 9£416 GBP
Retailer 8£424 GBP
Retailer 7£589 GBP
Retailer 5£619 GBP
Retailer 3£840 GBP
Brilliant Earth£1,052 GBP

44 data points across 9 retailers

9 retailers£314 GBP to £1,052 GBP

A
Cheapest Retailer
-
£314 GBP
A
Retailer 2
-
£325 GBP
View
A
Retailer 3
-
£333 GBP
View
B+
Retailer 4
-
£416 GBP
View
B+
Retailer 5
-
£424 GBP
View
Retailer 6
-
£589 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£619 GBP
View
B
Retailer 8
-
£840 GBP
View
Most Expensive
B
Brilliant Earth
21039346A · Nov 4
£1,052 GBP
$1,420 USD
View
8 more retailers have this diamond
Prices start from £314 GBPSave up to £738 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
1.40ct Princess
£314 GBP