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Oval|Lab Grown|IGI

1.58ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG629483623

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG629483623

Diamond specifications and retailer prices

From £149 GBP
$198 USD
As of October 29, 2026
Save £718 GBP (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £867 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.58ct lab-grown oval diamond

This 1.58ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG629483623 or 629483623. Listed at 11 retailers as of October 29, 2026, with prices from £149 to £867, a £718 spread on the same certified stone. MOH London lists it at £867. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.58
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629483623
Dimensions9.62 × 6.57 × 4.09 mm
L/W Ratio1.46
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
9.62 mm6.57 mm1.58 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629483623
Side View
Table 58.0%Crown 34°Girdle: THN-MEDPavilion 41.8°Culet: NoneDepth 62.3%

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 29
Current: £867 GBP|Low: £149 GBP|High: £1,577 GBP|Avg: £517 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 9£149 GBP
Retailer 3£173 GBP
Retailer 10£185 GBP
Retailer 13£211 GBP
Retailer 2£237 GBP
Retailer 14£320 GBP
Retailer 8£337 GBP
Retailer 4£363 GBP
Retailer 12£367 GBP
Retailer 11£379 GBP
Retailer 15£592 GBP
Retailer 7£755 GBP
Retailer 5£834 GBP
MOH London£867 GBP
Retailer 6£1,577 GBP

4 data points across 15 retailers

11 retailers£149 GBP to £867 GBP

A
Cheapest Retailer
-
£149 GBP
$198 USD
A
Retailer 2
-
£173 GBP
$230 USD
View
A
Retailer 3
-
£185 GBP
$246 USD
View
A
Retailer 4
-
£211 GBP
HK$2,200 HKD
View
A
Retailer 5
-
£237 GBP
View
B+
Retailer 6
-
£320 GBP
$426 USD
View
A
Retailer 7
-
£337 GBP
View
A
Retailer 8
-
£367 GBP
$489 USD
View
A
Retailer 9
-
£379 GBP
$505 USD
View
B
Retailer 10
-
£592 GBP
$789 USD
View
Most Expensive
B
MOH London
LG629483623 · Oct 29
£867 GBP
View
10 more retailers have this diamond
Prices start from £149 GBPSave up to £718 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
1.58ct Oval
£149 GBP