CaratHunter
Plans
Heart|Lab Grown|IGI

1.58ct E SI2 Heart Lab Grown Diamond

ID • E/SI2 • IGI LG652421814

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG652421814

Diamond specifications and retailer prices

From $408 NZD
$229 USD
As of October 27, 2026
Save $1,627 NZD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,035 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.58ct lab-grown heart diamond

This 1.58ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG652421814 or 652421814. Listed at 11 retailers as of October 27, 2026, with prices from $408 to $2,035, a $1,627 spread on the same certified stone. MOH London lists it at $2,035. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG652421814
Dimensions8.27 × 7.30 × 4.47 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.27 mm7.30 mm1.58 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG652421814
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 54.1%

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 27
Current: $2,035 NZD|Low: $408 NZD|High: $3,027 NZD|Avg: $1,140 NZD
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 3$408 NZD
Retailer 14$472 NZD
Retailer 8$506 NZD
Retailer 12$570 NZD
Retailer 2$648 NZD
Retailer 11$785 NZD
Retailer 13$858 NZD
Retailer 4$875 NZD
Retailer 7$944 NZD
Retailer 9$960 NZD
Retailer 10$1,624 NZD
Retailer 5$2,009 NZD
MOH London$2,035 NZD
Retailer 6$3,027 NZD

4 data points across 14 retailers

11 retailers$408 NZD to $2,035 NZD

A
Cheapest Retailer
-
$408 NZD
$229 USD
A
Retailer 2
-
$472 NZD
$265 USD
View
A
Retailer 3
-
$506 NZD
$284 USD
View
A
Retailer 4
-
$570 NZD
HK$2,500 HKD
View
A
Retailer 5
-
$648 NZD
£287 GBP
View
B+
Retailer 6
-
$785 NZD
$441 USD
View
B+
Retailer 7
-
$858 NZD
$482 USD
View
B+
Retailer 8
-
$944 NZD
£417 GBP
View
B+
Retailer 9
-
$960 NZD
$539 USD
View
B
Retailer 10
-
$1,624 NZD
$912 USD
View
Most Expensive
B
MOH London
LG652421814 · Oct 29
$2,035 NZD
£900 GBP
View
10 more retailers have this diamond
Prices start from $408 NZDSave up to $1,627 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 Heart
$408 NZD