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 $1,040 USD
As of October 30, 2026
Save $3,541 USD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,581 USD 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 $1,040 to $4,581, a $3,541 spread on the same certified stone. MOH London lists it at $4,581. 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
Color
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: $4,581 USD|Low: $1,040 USD|High: $4,618 USD|Avg: $2,521 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$1,040 USD
Retailer 3$1,376 USD
Retailer 5$1,540 USD
Retailer 6$1,765 USD
Retailer 9$1,999 USD
Retailer 8$2,197 USD
Retailer 4$2,519 USD
Retailer 7$2,896 USD
Retailer 10$4,568 USD
MOH London$4,581 USD

14 data points across 10 retailers

11 retailers$1,040 USD to $4,581 USD

A
Cheapest Retailer
-
$1,040 USD
A
Retailer 2
-
$1,376 USD
View
A
Retailer 3
-
$1,497 USD
View
A
Retailer 4
-
$1,540 USD
View
Final sale: no returns
A
Retailer 5
-
$1,596 USD
View
Retailer 6
-
$1,596 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$1,765 USD
View
B
Retailer 8
-
$2,519 USD
View
B
Retailer 9
-
$2,896 USD
View
B
Retailer 10
-
$2,991 USD
View
Most Expensive
B
MOH London
LG436045032 · Oct 29
$4,581 USD
£3,607 GBP
View
10 more retailers have this diamond
Prices start from $1,040 USDSave up to $3,541 USD

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
$1,040 USD