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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 $335 NZD
$188 USD
As of October 29, 2026
Save $1,612 NZD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,947 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 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 $335 to $1,947, a $1,612 spread on the same certified stone. MOH London lists it at $1,947. 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: $1,947 NZD|Low: $320 NZD|High: $2,012 NZD|Avg: $909 NZD|-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$335 NZD
Retailer 7$388 NZD
Retailer 12$415 NZD
Retailer 14$415 NZD
Retailer 11$533 NZD
Retailer 3$726 NZD
Retailer 2$752 NZD
Retailer 9$778 NZD
Retailer 10$864 NZD
Retailer 13$1,013 NZD
Retailer 4$1,332 NZD
Retailer 8$1,337 NZD
Retailer 6$1,941 NZD
MOH London$1,947 NZD

38 data points across 14 retailers

13 retailers$335 NZD to $1,947 NZD

A
Cheapest Retailer
-
$335 NZD
$188 USD
A
Retailer 2
-
$388 NZD
$218 USD
View
A
Retailer 3
-
$415 NZD
$233 USD
View
A
Retailer 4
-
$415 NZD
$233 USD
View
Retailer 5
-
$533 NZD
£236 GBP
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$726 NZD
$408 USD
View
A
Retailer 7
-
$752 NZD
£332 GBP
View
A
Retailer 8
-
$864 NZD
$485 USD
View
A
Retailer 9
-
$1,013 NZD
$569 USD
View
B+
Retailer 10
-
$1,332 NZD
$748 USD
View
B
Retailer 11
-
$1,337 NZD
$751 USD
View
B
Retailer 12
-
$1,941 NZD
$1,090 USD
View
Most Expensive
B
MOH London
LG618486544 · Oct 29
$1,947 NZD
£861 GBP
View
12 more retailers have this diamond
Prices start from $335 NZDSave up to $1,612 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
$335 NZD