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Oval|Lab Grown|IGI

1.58ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG445037592

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037592

Diamond specifications and retailer prices

From $1,196 AUD
$840 USD
As of October 29, 2026
Save $5,060 AUD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,256 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037592 or 445037592. Listed at 10 retailers as of October 29, 2026, with prices from $1,196 to $6,256, a $5,060 spread on the same certified stone. MOH London lists it at $6,256. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037592
Dimensions9.29 × 6.67 × 4.14 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.29 mm6.67 mm1.58 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445037592
Side View
Table 55.5%Crown 34.4°Girdle: MED-THKPavilion 41.2°Culet: NoneDepth 62.1%

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: $6,256 AUD|Low: $1,196 AUD|High: $6,304 AUD|Avg: $3,103 AUD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 3$1,196 AUD
Retailer 2$1,670 AUD
Retailer 6$1,869 AUD
Retailer 4$1,936 AUD
Retailer 8$2,753 AUD
Retailer 5$3,074 AUD
Retailer 7$3,815 AUD
Retailer 9$4,334 AUD
MOH London$6,256 AUD

14 data points across 9 retailers

10 retailers$1,196 AUD to $6,256 AUD

A
Cheapest Retailer
-
$1,196 AUD
$840 USD
B+
Retailer 2
-
$1,670 AUD
$1,173 USD
View
B+
Retailer 3
-
$1,817 AUD
$1,276 USD
View
B+
Retailer 4
-
$1,869 AUD
$1,313 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,936 AUD
$1,360 USD
View
Retailer 6
-
$1,936 AUD
$1,360 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$3,074 AUD
$2,159 USD
View
B
Retailer 8
-
$3,630 AUD
$2,550 USD
View
B
Retailer 9
-
$3,815 AUD
$2,680 USD
View
Most Expensive
B
MOH London
LG445037592 · Oct 29
$6,256 AUD
£3,460 GBP
View
9 more retailers have this diamond
Prices start from $1,196 AUDSave up to $5,060 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
$1,196 AUD