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Heart|Lab Grown|IGI

1.01ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG839688037

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839688037

Diamond specifications and retailer prices

From $530 NZD
As of November 6, 2026
Save $1,094 NZD (67%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,624 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.01ct lab-grown heart diamond

This 1.01ct 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 LG839688037 or 839688037. Listed at 7 retailers as of November 2, 2026, with prices from $530 to $1,624, a $1,094 spread on the same certified stone. MOH London lists it at $1,624. 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

1.01
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839688037
Dimensions5.91 × 6.75 × 4.06 mm
L/W Ratio1.14
Girdle conditionFaceted
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
5.91 mm6.75 mm1.01 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839688037
Side View
Table 64.0%Crown 35.9°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 60.1%

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: Nov 6
Current: $1,624 NZD|Low: $530 NZD|High: $1,645 NZD|Avg: $886 NZD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 5$530 NZD
Retailer 2$601 NZD
Retailer 4$633 NZD
Retailer 3$658 NZD
Retailer 6$922 NZD
Retailer 7$1,216 NZD
MOH London$1,624 NZD

35 data points across 7 retailers

7 retailers$530 NZD to $1,624 NZD

A
Cheapest Retailer
-
$530 NZD
B+
Retailer 2
-
$601 NZD
View
B+
Retailer 3
-
$633 NZD
View
B+
Retailer 4
-
$658 NZD
View
B
Retailer 5
-
$922 NZD
View
B
Retailer 6
-
$1,216 NZD
View
Most Expensive
B
MOH London
LG839688037 · Nov 2
$1,624 NZD
£709 GBP
View
6 more retailers have this diamond
Prices start from $530 NZDSave up to $1,094 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
1.01ct Heart
$530 NZD