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Oval|Lab Grown|IGI

1.39ct H VS1 Oval Lab Grown Diamond

ID • H/VS1 • IGI LG635413203

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG635413203

Diamond specifications and retailer prices

From £277 GBP
HK$2,900 HKD
As of October 30, 2026
Save £570 GBP (67%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £847 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.39ct lab-grown oval diamond

This 1.39ct lab-grown oval 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 LG635413203 or 635413203. Listed at 4 retailers as of October 26, 2026, with prices from £277 to £847, a £570 spread on the same certified stone. MOH London lists it at £847. 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 angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635413203
Dimensions8.71 × 6.38 × 3.95 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.71 mm6.38 mm1.39 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635413203
Side View
Table 62.0%Crown 34.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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: Oct 30
Current: £847 GBP|Low: £277 GBP|High: £856 GBP|Avg: £464 GBP|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 4£277 GBP
Retailer 3£316 GBP
Retailer 2£333 GBP
Retailer 6£424 GBP
Retailer 8£490 GBP
Retailer 7£516 GBP
Retailer 5£565 GBP
MOH London£847 GBP

15 data points across 8 retailers

4 retailers£277 GBP to £847 GBP

A
Cheapest Retailer
-
£277 GBP
HK$2,900 HKD
A
Retailer 2
-
£316 GBP
$424 USD
View
A
Retailer 3
-
£333 GBP
€425 EUR
View
Most Expensive
B
MOH London
LG635413203 · Oct 26
£847 GBP
View
3 more retailers have this diamond
Prices start from £277 GBPSave up to £570 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 Oval
£277 GBP