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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 $360 SGD
HK$2,200 HKD
As of October 30, 2026
Save $965 SGD (73%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,325 SGD 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 $360 to $1,325, a $965 spread on the same certified stone. MOH London lists it at $1,325. 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 angle34.1°
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,325 SGD|Low: $360 SGD|High: $1,335 SGD|Avg: $647 SGD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 7$360 SGD
Retailer 4$447 SGD
Retailer 3$575 SGD
Retailer 2$606 SGD
Retailer 6$630 SGD
Retailer 5$660 SGD
MOH London$1,325 SGD

42 data points across 7 retailers

6 retailers$360 SGD to $1,325 SGD

A
Cheapest Retailer
-
$360 SGD
HK$2,200 HKD
B+
Retailer 2
-
$447 SGD
$350 USD
View
A
Retailer 3
-
$606 SGD
£373 GBP
View
A
Retailer 4
-
$630 SGD
$493 USD
View
A
Retailer 5
-
$660 SGD
$516 USD
View
Most Expensive
B
MOH London
LG818680998 · Oct 29
$1,325 SGD
£816 GBP
View
5 more retailers have this diamond
Prices start from $360 SGDSave up to $965 SGD

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
$360 SGD