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Heart|Lab Grown|IGI

1.50ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG833630818

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG833630818

Diamond specifications and retailer prices

From $792 NZD
As of November 6, 2026
Save $1,348 NZD (63%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,140 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.5ct lab-grown heart diamond

This 1.5ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG833630818 or 833630818. Listed at 5 retailers as of November 2, 2026, with prices from $792 to $2,140, a $1,348 spread on the same certified stone. MOH London lists it at $2,140. 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

1.50
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833630818
Dimensions7.82 × 6.71 × 5.04 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.82 mm6.71 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833630818
Side View
Table 61.0%Crown 35.3°Girdle: STK-THKPavilion 42.6°Culet: NoneDepth 64.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,140 NZD|Low: $588 NZD|High: $2,163 NZD|Avg: $1,102 NZD|+14.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$588 NZD
Retailer 5$792 NZD
Retailer 6$814 NZD
Retailer 2$833 NZD
Retailer 3$1,477 NZD
MOH London$2,140 NZD

42 data points across 6 retailers

5 retailers$792 NZD to $2,140 NZD

B+
Cheapest Retailer
-
$792 NZD
B+
Retailer 2
-
$814 NZD
View
B+
Retailer 3
-
$833 NZD
View
B
Retailer 4
-
$1,477 NZD
View
Most Expensive
B
MOH London
LG833630818 · Nov 2
$2,140 NZD
£934 GBP
View
4 more retailers have this diamond
Prices start from $792 NZDSave up to $1,348 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.

B+
1.50ct Heart
$792 NZD