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Heart|Lab Grown|IGI

1.06ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG598393870

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG598393870

Diamond specifications and retailer prices

From $469 NZD
As of November 6, 2026
Save $1,430 NZD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,899 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.06ct lab-grown heart diamond

This 1.06ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG598393870 or 598393870. Listed at 5 retailers as of November 1, 2026, with prices from $469 to $1,899, a $1,430 spread on the same certified stone. MOH London lists it at $1,899. 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

1.06
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598393870
Dimensions6.44 × 6.89 × 4.16 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.44 mm6.89 mm1.06 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598393870
Side View
Table 56.0%Crown 33.8°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 60.4%

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: Nov 6
Current: $1,899 NZD|Low: $462 NZD|High: $6,958 NZD|Avg: $1,906 NZD|-6.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3$469 NZD
Retailer 4$500 NZD
Retailer 2$725 NZD
Retailer 6$805 NZD
Retailer 5$1,618 NZD
MOH London$1,899 NZD
Retailer 7$6,958 NZD

37 data points across 7 retailers

5 retailers$469 NZD to $1,899 NZD

A
Cheapest Retailer
-
$469 NZD
B+
Retailer 2
-
$500 NZD
View
B+
Retailer 3
-
$725 NZD
View
B
Retailer 4
-
$1,618 NZD
View
Most Expensive
B
MOH London
LG598393870 · Nov 1
$1,899 NZD
£829 GBP
View
4 more retailers have this diamond
Prices start from $469 NZDSave up to $1,430 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
1.06ct Heart
$469 NZD