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Oval|Lab Grown|IGI

1.59ct H VS1 Oval Lab Grown Diamond

ID • H/VS1 • IGI LG778642429

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778642429

Diamond specifications and retailer prices

From £360 GBP
$479 USD
As of October 28, 2026
Save £489 GBP (58%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £849 GBP at MOH London · As of October 26, 2026
View at MOH London

About this 1.59ct lab-grown oval diamond

This 1.59ct lab-grown oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778642429 or 778642429. Listed at 5 retailers as of October 26, 2026, with prices from £360 to £849, a £489 spread on the same certified stone. MOH London lists it at £849. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778642429
Dimensions9.65 × 6.67 × 3.91 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.65 mm6.67 mm1.59 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778642429
Side View
Table 59.0%Crown 33.8°Girdle: MediumPavilion 38.8°Culet: NoneDepth 58.6%

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: Oct 28
Current: £849 GBP|Low: £318 GBP|High: £858 GBP|Avg: £540 GBP|+7.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 26, 2026
Retailer 5£360 GBP
Retailer 2£407 GBP
Retailer 4£460 GBP
Retailer 3£720 GBP
MOH London£849 GBP

10 data points across 5 retailers

5 retailers£360 GBP to £849 GBP

A
Cheapest Retailer
-
£360 GBP
$479 USD
A
Retailer 2
-
£407 GBP
$542 USD
View
B+
Retailer 3
-
£460 GBP
$613 USD
View
B
Retailer 4
-
£720 GBP
$958 USD
View
Most Expensive
B
MOH London
LG778642429 · Oct 26
£849 GBP
View
4 more retailers have this diamond
Prices start from £360 GBPSave up to £489 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
1.59ct Oval
£360 GBP