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Heart|Lab Grown|IGI

1.87ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG835609034

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG835609034

Diamond specifications and retailer prices

From $456 NZD
$257 USD
As of October 23, 2026
Save $1,811 NZD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,267 NZD at MOH London · As of October 26, 2026
View at MOH London

About this 1.87ct lab-grown heart diamond

This 1.87ct 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 LG835609034 or 835609034. Listed at 14 retailers as of October 23, 2026, with prices from $456 to $2,267, a $1,811 spread on the same certified stone. MOH London lists it at $2,267. 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

1.87
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835609034
Dimensions8.74 × 7.38 × 5.00 mm
L/W Ratio1.18
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.74 mm7.38 mm1.87 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835609034
Side View
Table 54.0%Crown 35.3°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 57.2%

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: Oct 23
Current: $2,267 NZD|Low: $509 NZD|High: $2,316 NZD|Avg: $1,242 NZD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 27, 2026
Retailer 8$509 NZD
Retailer 4$636 NZD
Retailer 2$725 NZD
Retailer 5$852 NZD
Retailer 7$942 NZD
Retailer 3$1,071 NZD
Retailer 9$1,219 NZD
Retailer 6$1,427 NZD
Retailer 10$1,816 NZD
MOH London$2,267 NZD

35 data points across 10 retailers

14 retailers$456 NZD to $2,267 NZD

A
Cheapest Retailer
-
$456 NZD
$257 USD
A
Retailer 2
-
$509 NZD
$287 USD
View
Final sale: no returns
A
Retailer 3
-
$529 NZD
$298 USD
View
A
Retailer 4
-
$564 NZD
$318 USD
View
A
Retailer 5
-
$636 NZD
HK$2,800 HKD
View
A
Retailer 6
-
$725 NZD
£322 GBP
View
A
Retailer 7
-
$852 NZD
$480 USD
View
B+
Retailer 8
-
$942 NZD
$531 USD
View
B+
Retailer 9
-
$1,071 NZD
£475 GBP
View
B+
Retailer 10
-
$1,219 NZD
$687 USD
View
B+
Retailer 11
-
$1,427 NZD
$804 USD
View
B
Retailer 12
-
$1,815 NZD
$1,023 USD
View
B
Retailer 13
-
$1,816 NZD
SGD 1,383 SGD
View
Most Expensive
B
MOH London
LG835609034 · Oct 26
$2,267 NZD
£1,006 GBP
View
13 more retailers have this diamond
Prices start from $456 NZDSave up to $1,811 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
1.87ct Heart
$456 NZD