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Heart|Lab Grown|IGI

1.01ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG829610592

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG829610592

Diamond specifications and retailer prices

From $290 NZD
As of November 6, 2026
Save $756 NZD (72%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,523 NZD at MOH London · As of October 26, 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 LG829610592 or 829610592. Listed at 17 retailers as of November 6, 2026, with a 260% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.5°
Pavilion angle43.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829610592
Dimensions6.71 × 6.59 × 3.78 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.71 mm6.59 mm1.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG829610592
Side View
Table 66.0%Crown 35.5°Girdle: STK-THKPavilion 43.3°Culet: NoneDepth 57.4%

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: $1,523 NZD|Low: $290 NZD|High: $1,605 NZD|Avg: $763 NZD|-3.9%
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
November 6, 2026
Retailer 8$290 NZD
Retailer 3$368 NZD
Retailer 6$415 NZD
Retailer 4$541 NZD
Retailer 2$548 NZD
Retailer 7$548 NZD
Retailer 10$597 NZD
Retailer 9$610 NZD
Retailer 5$812 NZD
Retailer 11$830 NZD
Retailer 13$891 NZD
Retailer 12$1,046 NZD
MOH London$1,523 NZD

39 data points across 13 retailers

17 retailers$290 NZD to $1,046 NZD

Retailer 1
-
$262 NZD
Price last confirmed 20 days ago
A
Retailer 2
-
$290 NZD
View
Final sale: no returns
Retailer 3
-
$305 NZD
View
Price last confirmed 22 days ago
Retailer 4
-
$325 NZD
View
Price last confirmed 22 days ago
A
Retailer 5
-
$368 NZD
View
A
Retailer 6
-
$415 NZD
View
B+
Retailer 7
-
$541 NZD
View
B+
Retailer 8
-
$548 NZD
View
B+
Retailer 9
-
$548 NZD
View
B+
Retailer 10
-
$597 NZD
View
B+
Retailer 11
-
$610 NZD
View
Retailer 12
-
$812 NZD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$830 NZD
View
B
Retailer 14
-
$891 NZD
View
B
Retailer 15
-
$1,046 NZD
View
Retailer 16
-
$1,046 NZD
View
Price last confirmed 21 days ago
Most Expensive
MOH London
LG829610592 · Oct 26
$1,523 NZD
£665 GBP
View
Price last confirmed 11 days ago
16 more retailers have this diamond
Prices start from $290 NZDSave up to $756 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
$290 NZD