Princess|Lab Grown|IGI

1.81ct J SI1 Princess Lab Grown Diamond

ID • J/SI1 • IGI LG447000350

Shape and cutting style on the report: Princess cut

Certificate IGI LG447000350

Diamond specifications and retailer prices

From $1,010 USD
As of October 30, 2026
Save $4,761 USD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,771 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.81ct lab-grown princess diamond

This 1.81ct 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 LG447000350 or 447000350. Listed at 11 retailers as of October 29, 2026, with prices from $1,010 to $5,771, a $4,761 spread on the same certified stone. MOH London lists it at $5,771. 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

1.81
Carat
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle46.5°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000350
Dimensions6.72 × 6.54 × 4.77 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
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Top View
6.72 mm6.54 mm1.81 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447000350
Side View
Table 68.0%Crown 46.5°Girdle: MED-STKPavilion 38°Culet: NoneDepth 72.9%

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: $5,771 USD|Low: $1,010 USD|High: $5,817 USD|Avg: $2,947 USD|+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$1,010 USD
Retailer 5$1,733 USD
Retailer 7$1,940 USD
Retailer 10$1,982 USD
Retailer 3$2,042 USD
Retailer 8$2,180 USD
Retailer 9$2,687 USD
Retailer 6$3,155 USD
Retailer 4$3,465 USD
Retailer 11$5,754 USD
MOH London$5,771 USD

15 data points across 11 retailers

11 retailers$1,010 USD to $5,771 USD

A
Cheapest Retailer
-
$1,010 USD
B+
Retailer 2
-
$1,733 USD
View
B+
Retailer 3
-
$1,885 USD
View
B+
Retailer 4
-
$1,940 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,010 USD
View
Retailer 6
-
$2,010 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$2,180 USD
View
B
Retailer 8
-
$3,155 USD
View
B
Retailer 9
-
$3,465 USD
View
B
Retailer 10
-
$3,767 USD
View
Most Expensive
B
MOH London
LG447000350 · Oct 29
$5,771 USD
£4,544 GBP
View
10 more retailers have this diamond
Prices start from $1,010 USDSave up to $4,761 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
1.81ct Princess
$1,010 USD