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1.39ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG598307039

Shape and cutting style on the report: Round brilliant

Certificate IGI LG598307039

Diamond specifications and retailer prices

From £287 GBP
$384 USD
As of November 1, 2026
Save £543 GBP (65%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £829 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.39ct lab-grown round diamond

This 1.39ct 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 LG598307039 or 598307039. Listed at 6 retailers as of November 1, 2026, with prices from £287 to £829, a £543 spread on the same certified stone. MOH London lists it at £829. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.39
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598307039
Dimensions7.16 × 7.12 × 4.43 mm
L/W Ratio1.01
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
7.16 mm7.12 mm1.39 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598307039
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.0%

Caratlytics Score

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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 1
Current: £829 GBP|Low: £268 GBP|High: £840 GBP|Avg: £457 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 3£287 GBP
Retailer 5£296 GBP
Retailer 4£352 GBP
Retailer 7£362 GBP
Retailer 2£407 GBP
Retailer 6£699 GBP
MOH London£829 GBP

10 data points across 7 retailers

6 retailers£287 GBP to £829 GBP

B+
Cheapest Retailer
-
£287 GBP
$384 USD
A
Retailer 2
-
£296 GBP
$397 USD
View
A
Retailer 3
-
£352 GBP
$471 USD
View
A
Retailer 4
-
£407 GBP
$545 USD
View
B+
Retailer 5
-
£699 GBP
$937 USD
View
Most Expensive
B+
MOH London
LG598307039 · Nov 1
£829 GBP
View
5 more retailers have this diamond
Prices start from £287 GBPSave up to £543 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
1.39ct Round
£287 GBP