CaratHunter
Plans
Princess|Lab Grown|IGI

1.15ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG621426507

Shape and cutting style on the report: Princess cut

Certificate IGI LG621426507

Diamond specifications and retailer prices

From £131 GBP
$176 USD
As of November 2, 2026
Save £629 GBP (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £760 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.15ct lab-grown princess diamond

This 1.15ct lab-grown princess sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621426507 or 621426507. Listed at 12 retailers as of November 1, 2026, with prices from £131 to £760, a £629 spread on the same certified stone. MOH London lists it at £760. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621426507
Dimensions6.12 × 5.93 × 3.90 mm
L/W Ratio1.03
Culet sizeNone
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
6.12 mm5.93 mm1.15 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG621426507
Side View
Table 78.0%Crown 37.5°Girdle: MediumPavilion 38.5°Culet: NoneDepth 65.8%

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 2
Current: £760 GBP|Low: £131 GBP|High: £769 GBP|Avg: £344 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 5£131 GBP
Retailer 7£146 GBP
Retailer 3£281 GBP
Retailer 6£288 GBP
Retailer 2£291 GBP
Retailer 8£298 GBP
Retailer 4£552 GBP
MOH London£760 GBP

42 data points across 8 retailers

12 retailers£131 GBP to £760 GBP

A
Cheapest Retailer
-
£131 GBP
$176 USD
A
Retailer 2
-
£146 GBP
$196 USD
View
Final sale: no returns
A
Retailer 3
-
£152 GBP
$204 USD
View
Retailer 4
-
£163 GBP
$218 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£163 GBP
$218 USD
View
A
Retailer 6
-
£281 GBP
ZAR 6,072 ZAR
View
A
Retailer 7
-
£288 GBP
$386 USD
View
A
Retailer 8
-
£291 GBP
View
A
Retailer 9
-
£298 GBP
$399 USD
View
B
Retailer 10
-
£522 GBP
$700 USD
View
B
Retailer 11
-
£552 GBP
$739 USD
View
Most Expensive
B
MOH London
LG621426507 · Nov 1
£760 GBP
View
11 more retailers have this diamond
Prices start from £131 GBPSave up to £629 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
1.15ct Princess
£131 GBP