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Oval|Lab Grown|IGI

1.58ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG618486544

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG618486544

Diamond specifications and retailer prices

From $268 AUD
$188 USD
As of October 29, 2026
Save $1,289 AUD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,556 AUD 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 LG618486544 or 618486544. Listed at 13 retailers as of October 29, 2026, with prices from $268 to $1,556, a $1,289 spread on the same certified stone. MOH London lists it at $1,556. 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 angle34.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618486544
Dimensions9.30 × 6.64 × 4.10 mm
L/W Ratio1.40
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
9.30 mm6.64 mm1.58 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618486544
Side View
Table 60.0%Crown 34.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.7%

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 29
Current: $1,556 AUD|Low: $256 AUD|High: $1,608 AUD|Avg: $727 AUD|-0.6%
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
October 30, 2026
Retailer 5$268 AUD
Retailer 7$310 AUD
Retailer 12$332 AUD
Retailer 14$332 AUD
Retailer 11$426 AUD
Retailer 3$581 AUD
Retailer 2$601 AUD
Retailer 9$622 AUD
Retailer 10$690 AUD
Retailer 13$810 AUD
Retailer 4$1,065 AUD
Retailer 8$1,069 AUD
Retailer 6$1,552 AUD
MOH London$1,556 AUD

38 data points across 14 retailers

13 retailers$268 AUD to $1,556 AUD

A
Cheapest Retailer
-
$268 AUD
$188 USD
A
Retailer 2
-
$310 AUD
$218 USD
View
A
Retailer 3
-
$332 AUD
$233 USD
View
A
Retailer 4
-
$332 AUD
$233 USD
View
Retailer 5
-
$426 AUD
£236 GBP
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$581 AUD
$408 USD
View
A
Retailer 7
-
$601 AUD
£332 GBP
View
A
Retailer 8
-
$690 AUD
$485 USD
View
A
Retailer 9
-
$810 AUD
$569 USD
View
B+
Retailer 10
-
$1,065 AUD
$748 USD
View
B
Retailer 11
-
$1,069 AUD
$751 USD
View
B
Retailer 12
-
$1,552 AUD
$1,090 USD
View
Most Expensive
B
MOH London
LG618486544 · Oct 29
$1,556 AUD
£861 GBP
View
12 more retailers have this diamond
Prices start from $268 AUDSave up to $1,289 AUD

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
$268 AUD