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Marquise|Lab Grown|IGI

1.30ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG607351229

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG607351229

Diamond specifications and retailer prices

From £312 GBP
As of November 6, 2026
Save £1,071 GBP (77%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,383 GBP at MOH London · As of November 5, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG607351229 or 607351229. Listed at 7 retailers as of November 5, 2026, with prices from £312 to £1,383, a £1,071 spread on the same certified stone. MOH London lists it at £1,383. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607351229
Dimensions12.04 × 5.46 × 3.46 mm
L/W Ratio2.21
Girdle conditionFaceted
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
12.04 mm5.46 mm1.30 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607351229
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.4%

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 6
Current: £1,383 GBP|Low: £306 GBP|High: £1,395 GBP|Avg: £812 GBP|+9.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 7, 2026
Retailer 3£312 GBP
Retailer 5£518 GBP
Retailer 4£562 GBP
Retailer 2£634 GBP
Retailer 7£1,220 GBP
Retailer 6£1,257 GBP
MOH London£1,383 GBP

33 data points across 7 retailers

7 retailers£312 GBP to £1,383 GBP

A
Cheapest Retailer
-
£312 GBP
B+
Retailer 2
-
£518 GBP
View
B+
Retailer 3
-
£562 GBP
View
B
Retailer 4
-
£634 GBP
View
B
Retailer 5
-
£1,220 GBP
View
B
Retailer 6
-
£1,257 GBP
View
Most Expensive
B
MOH London
LG607351229 · Nov 5
£1,383 GBP
View
6 more retailers have this diamond
Prices start from £312 GBPSave up to £1,071 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
£312 GBP