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Radiant|Lab Grown|IGI

1.30ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG510185913

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG510185913

Diamond specifications and retailer prices

From £200 GBP
As of November 1, 2026
Save £635 GBP (76%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £835 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.3ct lab-grown radiant diamond

This 1.3ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG510185913 or 510185913. Listed at 7 retailers as of November 1, 2026, with prices from £200 to £835, a £635 spread on the same certified stone. MOH London lists it at £835. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510185913
Dimensions7.63 × 5.37 × 3.59 mm
L/W Ratio1.42
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
7.63 mm5.37 mm1.30 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510185913
Side View
Table 65.0%Crown 43.4°Girdle: Slightly ThickPavilion 35.7°Culet: NoneDepth 66.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: £835 GBP|Low: £200 GBP|High: £840 GBP|Avg: £399 GBP|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6£200 GBP
Retailer 3£303 GBP
Retailer 2£308 GBP
Retailer 7£312 GBP
Retailer 5£335 GBP
Retailer 4£576 GBP
MOH London£835 GBP

4 data points across 7 retailers

7 retailers£200 GBP to £835 GBP

A
Cheapest Retailer
-
£200 GBP
A
Retailer 2
-
£303 GBP
View
A
Retailer 3
-
£308 GBP
View
A
Retailer 4
-
£312 GBP
View
A
Retailer 5
-
£335 GBP
View
B
Retailer 6
-
£576 GBP
View
Most Expensive
B
MOH London
LG510185913 · Nov 1
£835 GBP
View
6 more retailers have this diamond
Prices start from £200 GBPSave up to £635 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 Radiant
£200 GBP