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Oval|Lab Grown|IGI

1.58ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG818680998

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818680998

Diamond specifications and retailer prices

From $394 CAD
HK$2,200 HKD
As of October 29, 2026
Save $1,056 CAD (73%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,450 CAD 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 LG818680998 or 818680998. Listed at 6 retailers as of October 29, 2026, with prices from $394 to $1,450, a $1,056 spread on the same certified stone. MOH London lists it at $1,450. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818680998
Dimensions9.44 × 6.53 × 3.97 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
9.44 mm6.53 mm1.58 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818680998
Side View
Table 61.0%Crown 34.1°Girdle: Slightly ThickPavilion 39.9°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,450 CAD|Low: $394 CAD|High: $1,461 CAD|Avg: $709 CAD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 7$394 CAD
Retailer 4$490 CAD
Retailer 3$629 CAD
Retailer 2$664 CAD
Retailer 6$690 CAD
Retailer 5$722 CAD
MOH London$1,450 CAD

42 data points across 7 retailers

6 retailers$394 CAD to $1,450 CAD

A
Cheapest Retailer
-
$394 CAD
HK$2,200 HKD
B+
Retailer 2
-
$490 CAD
$350 USD
View
A
Retailer 3
-
$664 CAD
£373 GBP
View
A
Retailer 4
-
$690 CAD
$493 USD
View
A
Retailer 5
-
$722 CAD
$516 USD
View
Most Expensive
B
MOH London
LG818680998 · Oct 29
$1,450 CAD
£816 GBP
View
5 more retailers have this diamond
Prices start from $394 CADSave up to $1,056 CAD

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
$394 CAD