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Princess|Lab Grown|IGI

1.26ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG830619146

Shape and cutting style on the report: Princess cut

Certificate IGI LG830619146

Diamond specifications and retailer prices

From £150 GBP
As of November 4, 2026
Save £864 GBP (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,014 GBP at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

About this 1.26ct lab-grown princess diamond

This 1.26ct 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 LG830619146 or 830619146. Listed at 17 retailers as of November 4, 2026, with prices from £150 to £1,014, a £864 spread on the same certified stone. Helzberg Diamonds lists it at £1,014. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830619146
Dimensions6.04 × 5.90 × 4.17 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.04 mm5.90 mm1.26 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830619146
Side View
Table 71.0%Crown 40.9°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 70.7%

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: £1,014 GBP|Low: £150 GBP|High: £1,014 GBP|Avg: £458 GBP
Helzberg Diamonds
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
Retailer 16
November 5, 2026
Retailer 13£150 GBP
Retailer 15£167 GBP
Retailer 10£226 GBP
Retailer 14£319 GBP
Retailer 6£321 GBP
Retailer 7£323 GBP
Retailer 2£336 GBP
Retailer 16£350 GBP
Retailer 8£448 GBP
Retailer 12£451 GBP
Retailer 11£481 GBP
Retailer 4£603 GBP
Retailer 5£627 GBP
Retailer 3£635 GBP
Retailer 9£863 GBP
Helzberg Diamonds£1,014 GBP

11 data points across 16 retailers

17 retailers£150 GBP to £1,014 GBP

A
Cheapest Retailer
-
£150 GBP
A
Retailer 2
-
£167 GBP
View
Final sale: no returns
A
Retailer 3
-
£226 GBP
View
A
Retailer 4
-
£319 GBP
View
A
Retailer 5
-
£321 GBP
View
A
Retailer 6
-
£323 GBP
View
A
Retailer 7
-
£336 GBP
View
A
Retailer 8
-
£350 GBP
View
Retailer 9
-
£448 GBP
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£451 GBP
View
B+
Retailer 11
-
£481 GBP
View
B+
Retailer 12
-
£563 GBP
View
B+
Retailer 13
-
£603 GBP
View
B
Retailer 14
-
£627 GBP
View
B
Retailer 15
-
£635 GBP
View
B
Retailer 16
-
£863 GBP
View
Most Expensive
B
Helzberg Diamonds
ZXZOJGMHPHKM · Nov 4
£1,014 GBP
$1,369 USD
View
16 more retailers have this diamond
Prices start from £150 GBPSave up to £864 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
1.26ct Princess
£150 GBP