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Heart|Lab Grown|IGI

1.09ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG805618652

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG805618652

Diamond specifications and retailer prices

From $272 NZD
As of November 6, 2026
Save $1,308 NZD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,581 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 1.09ct lab-grown heart diamond

This 1.09ct 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 LG805618652 or 805618652. Listed at 16 retailers as of November 4, 2026, with prices from $272 to $1,581, a $1,308 spread on the same certified stone. MOH London lists it at $1,581. 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

1.09
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle30.9°
Pavilion angle42.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805618652
Dimensions7.30 × 6.42 × 4.15 mm
L/W Ratio1.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.30 mm6.42 mm1.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG805618652
Side View
Table 61.0%Crown 30.9°Girdle: THN-STKPavilion 42.8°Culet: NoneDepth 56.8%

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: $1,581 NZD|Low: $269 NZD|High: $1,732 NZD|Avg: $736 NZD|-4.6%
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
Retailer 15
November 6, 2026
Retailer 9$272 NZD
Retailer 11$305 NZD
Retailer 14$317 NZD
Retailer 3$339 NZD
Retailer 2$437 NZD
Retailer 8$581 NZD
Retailer 15$612 NZD
Retailer 13$621 NZD
Retailer 12$642 NZD
Retailer 7$787 NZD
Retailer 6$884 NZD
Retailer 4$934 NZD
Retailer 10$1,090 NZD
Retailer 5$1,100 NZD
MOH London$1,581 NZD

41 data points across 15 retailers

16 retailers$272 NZD to $1,581 NZD

A
Cheapest Retailer
-
$272 NZD
A
Retailer 2
-
$305 NZD
View
Final sale: no returns
A
Retailer 3
-
$317 NZD
View
A
Retailer 4
-
$339 NZD
View
A
Retailer 5
-
$391 NZD
View
A
Retailer 6
-
$437 NZD
View
B+
Retailer 7
-
$581 NZD
View
B+
Retailer 8
-
$612 NZD
View
B+
Retailer 9
-
$621 NZD
View
B+
Retailer 10
-
$642 NZD
View
Retailer 11
-
$787 NZD
View
Price last confirmed 11 days ago
B
Retailer 12
-
$884 NZD
View
B
Retailer 13
-
$934 NZD
View
B
Retailer 14
-
$1,090 NZD
View
B
Retailer 15
-
$1,100 NZD
View
Most Expensive
B
MOH London
LG805618652 · Nov 4
$1,581 NZD
£690 GBP
View
15 more retailers have this diamond
Prices start from $272 NZDSave up to $1,308 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
1.09ct Heart
$272 NZD