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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 $1,490 NZD
$840 USD
As of October 29, 2026
Save $6,306 NZD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,797 NZD 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 $1,490 to $7,797, a $6,306 spread on the same certified stone. MOH London lists it at $7,797. 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: $7,797 NZD|Low: $1,490 NZD|High: $7,857 NZD|Avg: $3,867 NZD|+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$1,490 NZD
Retailer 2$2,081 NZD
Retailer 6$2,330 NZD
Retailer 4$2,413 NZD
Retailer 8$3,431 NZD
Retailer 5$3,831 NZD
Retailer 7$4,755 NZD
Retailer 9$5,402 NZD
MOH London$7,797 NZD

14 data points across 9 retailers

10 retailers$1,490 NZD to $7,797 NZD

A
Cheapest Retailer
-
$1,490 NZD
$840 USD
B+
Retailer 2
-
$2,081 NZD
$1,173 USD
View
B+
Retailer 3
-
$2,264 NZD
$1,276 USD
View
B+
Retailer 4
-
$2,330 NZD
$1,313 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,413 NZD
$1,360 USD
View
Retailer 6
-
$2,413 NZD
$1,360 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$3,831 NZD
$2,159 USD
View
B
Retailer 8
-
$4,524 NZD
$2,550 USD
View
B
Retailer 9
-
$4,755 NZD
$2,680 USD
View
Most Expensive
B
MOH London
LG445037592 · Oct 29
$7,797 NZD
£3,460 GBP
View
9 more retailers have this diamond
Prices start from $1,490 NZDSave up to $6,306 NZD

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
$1,490 NZD