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Round|Lab Grown|IGI

1.30ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG770639325

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770639325

Diamond specifications and retailer prices

From £140 GBP
As of November 3, 2026
Save £669 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £809 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770639325 or 770639325. Listed at 19 retailers as of November 3, 2026, with prices from £140 to £809, a £669 spread on the same certified stone. MOH London lists it at £809. 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 angle35.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770639325
Dimensions6.97 × 7.00 × 4.27 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.97 mm7.00 mm1.30 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770639325
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.1%

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: £809 GBP|Low: £140 GBP|High: £941 GBP|Avg: £395 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 11£140 GBP
Retailer 12£173 GBP
Retailer 9£299 GBP
Retailer 3£304 GBP
Retailer 2£311 GBP
Retailer 7£320 GBP
Retailer 4£359 GBP
Retailer 8£423 GBP
Retailer 5£448 GBP
Retailer 6£560 GBP
Retailer 10£585 GBP
MOH London£809 GBP

44 data points across 12 retailers

19 retailers£140 GBP to £809 GBP

A
Cheapest Retailer
-
£140 GBP
Retailer 2
-
£173 GBP
View
Price last confirmed 11 days ago
A
Retailer 3
-
£173 GBP
View
A
Retailer 4
-
£299 GBP
View
A
Retailer 5
-
£304 GBP
View
A
Retailer 6
-
£311 GBP
View
A
Retailer 7
-
£320 GBP
View
A
Retailer 8
-
£330 GBP
View
B+
Retailer 9
-
£359 GBP
View
Retailer 10
-
£373 GBP
View
Price last confirmed 126 days ago
B+
Retailer 11
-
£423 GBP
View
B+
Retailer 12
-
£446 GBP
View
B+
Retailer 13
-
£448 GBP
View
B
Retailer 14
-
£558 GBP
View
B
Retailer 15
-
£560 GBP
View
Retailer 16
-
£585 GBP
View
Price last confirmed 8 days ago
B
Retailer 17
-
£598 GBP
View
B
Retailer 18
-
£631 GBP
View
Most Expensive
B
MOH London
LG770639325 · Nov 5
£809 GBP
View
18 more retailers have this diamond
Prices start from £140 GBPSave up to £669 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
£140 GBP