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Princess|Lab Grown|IGI

1.86ct J SI1 Princess Lab Grown Diamond

ID • J/SI1 • IGI LG436045032

Shape and cutting style on the report: Princess cut

Certificate IGI LG436045032

Diamond specifications and retailer prices

From $1,845 NZD
$1,040 USD
As of October 31, 2026
Save $6,240 NZD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,085 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.86ct lab-grown princess diamond

This 1.86ct lab-grown princess sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436045032 or 436045032. Listed at 11 retailers as of October 31, 2026, with prices from $1,845 to $8,085, a $6,240 spread on the same certified stone. MOH London lists it at $8,085. 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

1.86
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436045032
Dimensions6.80 × 6.60 × 4.74 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
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Top View
6.80 mm6.60 mm1.86 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436045032
Side View
Table 74.0%Crown 42.1°Girdle: Slightly ThickPavilion 38.9°Culet: NoneDepth 71.8%

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: Oct 31
Current: $8,085 NZD|Low: $1,845 NZD|High: $8,193 NZD|Avg: $4,302 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2$1,845 NZD
Retailer 4$2,441 NZD
Retailer 6$2,732 NZD
Retailer 11$2,793 NZD
Retailer 7$3,132 NZD
Retailer 10$3,547 NZD
Retailer 9$3,898 NZD
Retailer 5$4,469 NZD
Retailer 8$5,138 NZD
MOH London$8,085 NZD
Retailer 3$8,105 NZD

15 data points across 11 retailers

11 retailers$1,845 NZD to $8,085 NZD

A
Cheapest Retailer
-
$1,845 NZD
$1,040 USD
A
Retailer 2
-
$2,441 NZD
$1,376 USD
View
A
Retailer 3
-
$2,656 NZD
$1,497 USD
View
A
Retailer 4
-
$2,732 NZD
$1,540 USD
View
Final sale: no returns
A
Retailer 5
-
$2,832 NZD
$1,596 USD
View
Retailer 6
-
$2,832 NZD
$1,596 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
$3,132 NZD
$1,765 USD
View
B
Retailer 8
-
$4,469 NZD
$2,519 USD
View
B
Retailer 9
-
$5,138 NZD
$2,896 USD
View
B
Retailer 10
-
$5,307 NZD
$2,991 USD
View
Most Expensive
B
MOH London
LG436045032 · Nov 1
$8,085 NZD
£3,588 GBP
View
10 more retailers have this diamond
Prices start from $1,845 NZDSave up to $6,240 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
1.86ct Princess
$1,845 NZD