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Oval|Lab Grown|IGI

1.58ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG436072037

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG436072037

Diamond specifications and retailer prices

From $1,490 NZD
$840 USD
As of October 31, 2026
Save $6,263 NZD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,754 NZD at MOH London · As of November 1, 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 LG436072037 or 436072037. Listed at 9 retailers as of October 31, 2026, with prices from $1,490 to $7,754, a $6,263 spread on the same certified stone. MOH London lists it at $7,754. 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
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436072037
Dimensions8.81 × 6.62 × 4.21 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.81 mm6.62 mm1.58 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436072037
Side View
Table 61.5%Crown 35.8°Girdle: STK-THKPavilion 41.8°Culet: NoneDepth 63.6%

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 31
Current: $7,754 NZD|Low: $1,490 NZD|High: $7,848 NZD|Avg: $3,782 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 3$1,490 NZD
Retailer 2$2,081 NZD
Retailer 4$2,413 NZD
Retailer 7$2,776 NZD
Retailer 5$3,831 NZD
Retailer 6$4,755 NZD
MOH London$7,754 NZD

12 data points across 7 retailers

9 retailers$1,490 NZD to $7,754 NZD

A
Cheapest Retailer
-
$1,490 NZD
$840 USD
A
Retailer 2
-
$2,081 NZD
$1,173 USD
View
A
Retailer 3
-
$2,264 NZD
$1,276 USD
View
B+
Retailer 4
-
$2,413 NZD
$1,360 USD
View
Retailer 5
-
$2,413 NZD
$1,360 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
$3,831 NZD
$2,159 USD
View
B
Retailer 7
-
$4,524 NZD
$2,550 USD
View
B
Retailer 8
-
$4,755 NZD
$2,680 USD
View
Most Expensive
B
MOH London
LG436072037 · Nov 1
$7,754 NZD
£3,441 GBP
View
8 more retailers have this diamond
Prices start from $1,490 NZDSave up to $6,263 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