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Princess|Lab Grown|IGI

1.09ct H VS1 Princess Lab Grown Diamond

ID • H/VS1 • IGI LG576341705

Shape and cutting style on the report: Princess cut

Certificate IGI LG576341705

Diamond specifications and retailer prices

From £186 GBP
As of November 4, 2026
Save £734 GBP (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £920 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.09ct lab-grown princess diamond

This 1.09ct lab-grown princess sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG576341705 or 576341705. Listed at 14 retailers as of November 4, 2026, with prices from £186 to £920, a £734 spread on the same certified stone. MOH London lists it at £920. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG576341705
Dimensions5.73 × 5.68 × 4.07 mm
L/W Ratio1.01
Culet sizePointed
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
5.73 mm5.68 mm1.09 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG576341705
Side View
Table 69.0%Crown 39.6°Girdle: MediumPavilion 39.7°Culet: NoneDepth 71.7%

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: £920 GBP|Low: £179 GBP|High: £933 GBP|Avg: £477 GBP|+1.9%
MOH London
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 12£186 GBP
Retailer 4£216 GBP
Retailer 3£230 GBP
Retailer 14£230 GBP
Retailer 10£348 GBP
Retailer 15£384 GBP
Retailer 9£397 GBP
Retailer 7£398 GBP
Retailer 5£413 GBP
Retailer 13£481 GBP
Retailer 2£564 GBP
Retailer 8£631 GBP
Retailer 11£707 GBP
Retailer 16£740 GBP
Retailer 6£813 GBP
MOH London£920 GBP

32 data points across 16 retailers

14 retailers£186 GBP to £920 GBP

A
Cheapest Retailer
-
£186 GBP
A
Retailer 2
-
£216 GBP
View
Retailer 3
-
£230 GBP
View
Price last confirmed 11 days ago
A
Retailer 4
-
£230 GBP
View
A
Retailer 5
-
£348 GBP
View
B+
Retailer 6
-
£384 GBP
View
B+
Retailer 7
-
£397 GBP
View
B+
Retailer 8
-
£398 GBP
View
B+
Retailer 9
-
£413 GBP
View
B
Retailer 10
-
£481 GBP
View
B+
Retailer 11
-
£564 GBP
View
B
Retailer 12
-
£707 GBP
View
B
Retailer 13
-
£740 GBP
View
Most Expensive
B
MOH London
LG576341705 · Nov 5
£920 GBP
View
13 more retailers have this diamond
Prices start from £186 GBPSave up to £734 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
1.09ct Princess
£186 GBP