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Marquise|Lab Grown|IGI

1.30ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG830613746

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830613746

Diamond specifications and retailer prices

From £293 GBP
As of November 4, 2026
Save £783 GBP (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,076 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.3ct lab-grown marquise diamond

This 1.3ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830613746 or 830613746. Listed at 10 retailers as of November 1, 2026, with prices from £293 to £1,076, a £783 spread on the same certified stone. MOH London lists it at £1,076. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830613746
Dimensions10.98 × 5.76 × 3.64 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.98 mm5.76 mm1.30 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830613746
Side View
Table 62.0%Crown 33.3°Girdle: MED-STKPavilion 42°Culet: NoneDepth 63.2%

Caratlytics Score

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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: £1,076 GBP|Low: £293 GBP|High: £1,077 GBP|Avg: £579 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 10£293 GBP
Retailer 3£361 GBP
Retailer 7£413 GBP
Retailer 6£439 GBP
Retailer 4£470 GBP
Retailer 8£510 GBP
Retailer 2£541 GBP
Retailer 5£673 GBP
Retailer 9£899 GBP
MOH London£1,076 GBP

12 data points across 10 retailers

10 retailers£293 GBP to £1,076 GBP

A
Cheapest Retailer
-
£293 GBP
A
Retailer 2
-
£361 GBP
View
A
Retailer 3
-
£413 GBP
View
Retailer 4
-
£439 GBP
View
Price last confirmed 10 days ago
B+
Retailer 5
-
£470 GBP
View
B+
Retailer 6
-
£510 GBP
View
B+
Retailer 7
-
£541 GBP
View
Retailer 8
-
£673 GBP
View
Price last confirmed 10 days ago
B
Retailer 9
-
£899 GBP
View
Most Expensive
B
MOH London
LG830613746 · Nov 1
£1,076 GBP
View
9 more retailers have this diamond
Prices start from £293 GBPSave up to £783 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
1.30ct Marquise
£293 GBP