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Heart|Lab Grown|IGI

1.00ct E SI2 Heart Lab Grown Diamond

ID • E/SI2 • IGI LG849625187

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG849625187

Diamond specifications and retailer prices

From $339 NZD
As of November 4, 2026
Save $1,730 NZD (84%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,069 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG849625187 or 849625187. Listed at 5 retailers as of November 4, 2026, with prices from $339 to $2,069, a $1,730 spread on the same certified stone. MOH London lists it at $2,069. 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

1.00
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849625187
Dimensions6.85 × 5.98 × 4.31 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.85 mm5.98 mm1.00 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849625187
Side View
Table 59.0%Crown 34.6°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.9%

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 4
Current: $2,069 NZD|Low: $339 NZD|High: $2,076 NZD|Avg: $723 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 5$339 NZD
Retailer 4$442 NZD
Retailer 3$471 NZD
Retailer 2$494 NZD
MOH London$2,069 NZD

7 data points across 5 retailers

5 retailers$339 NZD to $2,069 NZD

B+
Cheapest Retailer
-
$339 NZD
A
Retailer 2
-
$442 NZD
View
B+
Retailer 3
-
$471 NZD
View
A
Retailer 4
-
$494 NZD
View
Most Expensive
B
MOH London
LG849625187 · Nov 5
$2,069 NZD
£903 GBP
View
4 more retailers have this diamond
Prices start from $339 NZDSave up to $1,730 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
1.00ct Heart
$339 NZD