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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 $1,481 AUD
$1,040 USD
As of October 30, 2026
Save $5,041 AUD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,521 AUD at MOH London · As of October 29, 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 29, 2026, with prices from $1,481 to $6,521, a $5,041 spread on the same certified stone. MOH London lists it at $6,521. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,521 AUD|Low: $1,481 AUD|High: $6,574 AUD|Avg: $3,458 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$1,481 AUD
Retailer 4$1,959 AUD
Retailer 6$2,192 AUD
Retailer 11$2,241 AUD
Retailer 7$2,513 AUD
Retailer 10$2,846 AUD
Retailer 9$3,128 AUD
Retailer 5$3,586 AUD
Retailer 8$4,123 AUD
Retailer 3$6,503 AUD
MOH London$6,521 AUD

14 data points across 11 retailers

11 retailers$1,481 AUD to $6,521 AUD

A
Cheapest Retailer
-
$1,481 AUD
$1,040 USD
A
Retailer 2
-
$1,959 AUD
$1,376 USD
View
A
Retailer 3
-
$2,131 AUD
$1,497 USD
View
A
Retailer 4
-
$2,192 AUD
$1,540 USD
View
Final sale: no returns
A
Retailer 5
-
$2,272 AUD
$1,596 USD
View
Retailer 6
-
$2,272 AUD
$1,596 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$2,513 AUD
$1,765 USD
View
B
Retailer 8
-
$3,586 AUD
$2,519 USD
View
B
Retailer 9
-
$4,123 AUD
$2,896 USD
View
B
Retailer 10
-
$4,258 AUD
$2,991 USD
View
Most Expensive
B
MOH London
LG436045032 · Oct 29
$6,521 AUD
£3,607 GBP
View
10 more retailers have this diamond
Prices start from $1,481 AUDSave up to $5,041 AUD

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
$1,481 AUD