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Princess|Lab Grown|IGI

1.60ct G VVS1 Princess Lab Grown Diamond

ID • G/VVS1 • IGI LG818641574

Shape and cutting style on the report: Princess cut

Certificate IGI LG818641574

Diamond specifications and retailer prices

From £301 GBP
As of November 4, 2026
Save £828 GBP (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,129 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.6ct lab-grown princess diamond

This 1.6ct lab-grown princess sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818641574 or 818641574. Listed at 11 retailers as of November 4, 2026, with prices from £301 to £1,129, a £828 spread on the same certified stone. Brilliant Earth lists it at £1,129. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818641574
Dimensions6.39 × 6.36 × 4.46 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.39 mm6.36 mm1.60 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818641574
Side View
Table 70.0%Crown 41.6°Girdle: Slightly ThickPavilion 38.1°Culet: NoneDepth 70.1%

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: Nov 4
Current: £1,129 GBP|Low: £301 GBP|High: £1,575 GBP|Avg: £756 GBP|-28.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 5£301 GBP
Retailer 9£377 GBP
Retailer 2£421 GBP
Retailer 6£525 GBP
Retailer 7£759 GBP
Retailer 4£811 GBP
Retailer 3£897 GBP
Retailer 8£917 GBP
Retailer 10£1,081 GBP
Brilliant Earth£1,129 GBP

43 data points across 10 retailers

11 retailers£301 GBP to £1,129 GBP

B+
Cheapest Retailer
-
£301 GBP
Retailer 2
-
£377 GBP
View
Price last confirmed 7 days ago
A
Retailer 3
-
£421 GBP
View
B+
Retailer 4
-
£525 GBP
View
B
Retailer 5
-
£759 GBP
View
B
Retailer 6
-
£811 GBP
View
B
Retailer 7
-
£897 GBP
View
B
Retailer 8
-
£917 GBP
View
B
Retailer 9
-
£1,081 GBP
View
Retailer 10
-
£1,085 GBP
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
20944163A · Nov 4
£1,129 GBP
$1,520 USD
View
10 more retailers have this diamond
Prices start from £301 GBPSave up to £828 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
1.60ct Princess
£301 GBP