Round|Lab Grown|IGI

1.30ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG778614676

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778614676

Diamond specifications and retailer prices

From £159 GBP
As of November 3, 2026
Save £629 GBP (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £787 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 LG778614676 or 778614676. Listed at 18 retailers as of November 3, 2026, with prices from £159 to £787, a £629 spread on the same certified stone. MOH London lists it at £787. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778614676
Dimensions7.05 × 7.01 × 4.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.05 mm7.01 mm1.30 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778614676
Side View
Table 61.0%Crown 33.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: £787 GBP|Low: £153 GBP|High: £799 GBP|Avg: £408 GBP|-0.2%
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
November 5, 2026
Retailer 12£159 GBP
Retailer 4£197 GBP
Retailer 13£197 GBP
Retailer 14£339 GBP
Retailer 10£340 GBP
Retailer 6£346 GBP
Retailer 8£359 GBP
Retailer 3£379 GBP
Retailer 2£433 GBP
Retailer 9£481 GBP
Retailer 11£489 GBP
Retailer 7£636 GBP
Retailer 5£716 GBP
MOH London£787 GBP

30 data points across 14 retailers

18 retailers£159 GBP to £787 GBP

A
Cheapest Retailer
-
£159 GBP
A
Retailer 2
-
£184 GBP
View
Retailer 3
-
£197 GBP
View
Price last confirmed 11 days ago
A
Retailer 4
-
£197 GBP
View
A
Retailer 5
-
£339 GBP
View
A
Retailer 6
-
£340 GBP
View
A
Retailer 7
-
£346 GBP
View
A
Retailer 8
-
£359 GBP
View
A
Retailer 9
-
£379 GBP
View
A
Retailer 10
-
£433 GBP
View
A
Retailer 11
-
£481 GBP
View
B+
Retailer 12
-
£489 GBP
View
B+
Retailer 13
-
£517 GBP
View
B+
Retailer 14
-
£633 GBP
View
B+
Retailer 15
-
£636 GBP
View
B
Retailer 16
-
£672 GBP
View
B+
Retailer 17
-
£731 GBP
View
Most Expensive
B+
MOH London
LG778614676 · Nov 5
£787 GBP
View
17 more retailers have this diamond
Prices start from £159 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
1.30ct Round
£159 GBP