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Round|Lab Grown|IGI

1.30ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG792617920

Shape and cutting style on the report: Round brilliant

Certificate IGI LG792617920

Diamond specifications and retailer prices

From £275 GBP
As of November 3, 2026
Save £743 GBP (73%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,018 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG792617920 or 792617920. Listed at 6 retailers as of November 3, 2026, with prices from £275 to £1,018, a £743 spread on the same certified stone. MOH London lists it at £1,018. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792617920
Dimensions6.97 × 7.01 × 4.32 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.97 mm7.01 mm1.30 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792617920
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.8%

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 3
Current: £1,018 GBP|Low: £264 GBP|High: £1,026 GBP|Avg: £610 GBP|+14.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 2£275 GBP
Retailer 5£387 GBP
Retailer 3£476 GBP
Retailer 6£693 GBP
Retailer 4£942 GBP
MOH London£1,018 GBP

9 data points across 6 retailers

6 retailers£275 GBP to £1,018 GBP

A
Cheapest Retailer
-
£275 GBP
A
Retailer 2
-
£387 GBP
View
B+
Retailer 3
-
£476 GBP
View
B+
Retailer 4
-
£693 GBP
View
B
Retailer 5
-
£942 GBP
View
Most Expensive
B
MOH London
LG792617920 · Nov 5
£1,018 GBP
View
5 more retailers have this diamond
Prices start from £275 GBPSave up to £743 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 Round
£275 GBP