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Princess|Lab Grown|IGI

1.59ct G VVS1 Princess Lab Grown Diamond

ID • G/VVS1 • IGI LG818641553

Shape and cutting style on the report: Princess cut

Certificate IGI LG818641553

Diamond specifications and retailer prices

From £297 GBP
As of November 4, 2026
Save £773 GBP (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,070 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.59ct lab-grown princess diamond

This 1.59ct 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 LG818641553 or 818641553. Listed at 10 retailers as of November 4, 2026, with prices from £297 to £1,070, a £773 spread on the same certified stone. Brilliant Earth lists it at £1,070. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818641553
Dimensions6.39 × 6.21 × 4.48 mm
L/W Ratio1.03
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.39 mm6.21 mm1.59 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818641553
Side View
Table 69.0%Crown 45°Girdle: Slightly ThickPavilion 37.1°Culet: NoneDepth 72.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £1,070 GBP|Low: £297 GBP|High: £1,293 GBP|Avg: £698 GBP|-17.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 6£297 GBP
Retailer 9£376 GBP
Retailer 2£414 GBP
Retailer 7£518 GBP
Retailer 8£748 GBP
Retailer 5£798 GBP
Retailer 3£883 GBP
Retailer 4£936 GBP
Brilliant Earth£1,070 GBP

43 data points across 9 retailers

10 retailers£297 GBP to £1,070 GBP

B+
Cheapest Retailer
-
£297 GBP
Retailer 2
-
£376 GBP
View
Price last confirmed 7 days ago
A
Retailer 3
-
£414 GBP
View
B+
Retailer 4
-
£518 GBP
View
B+
Retailer 5
-
£748 GBP
View
B
Retailer 6
-
£798 GBP
View
B
Retailer 7
-
£883 GBP
View
B
Retailer 8
-
£936 GBP
View
Retailer 9
-
£936 GBP
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
20944199A · Nov 4
£1,070 GBP
$1,440 USD
View
9 more retailers have this diamond
Prices start from £297 GBPSave up to £773 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
1.59ct Princess
£297 GBP