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Princess|Lab Grown|IGI

1.80ct J SI1 Princess Lab Grown Diamond

ID • J/SI1 • IGI LG442067003

Shape and cutting style on the report: Princess cut

Certificate IGI LG442067003

Diamond specifications and retailer prices

From $1,792 NZD
$1,010 USD
As of October 31, 2026
Save $8,337 NZD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $10,129 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.8ct lab-grown princess diamond

This 1.8ct 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 LG442067003 or 442067003. Listed at 11 retailers as of October 31, 2026, with prices from $1,792 to $10,129, a $8,337 spread on the same certified stone. MOH London lists it at $10,129. 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

1.80
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle45.8°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442067003
Dimensions6.58 × 6.40 × 4.85 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
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Top View
6.58 mm6.40 mm1.80 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG442067003
Side View
Table 70.5%Crown 45.8°Girdle: MED-THKPavilion 40°Culet: NoneDepth 75.8%

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: $10,129 NZD|Low: $1,792 NZD|High: $10,264 NZD|Avg: $5,185 NZD|-1.1%
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$1,792 NZD
Retailer 5$3,057 NZD
Retailer 7$3,423 NZD
Retailer 10$3,497 NZD
Retailer 3$3,612 NZD
Retailer 8$3,850 NZD
Retailer 9$4,744 NZD
Retailer 6$5,570 NZD
Retailer 4$6,114 NZD
MOH London$10,129 NZD
Retailer 11$10,154 NZD

14 data points across 11 retailers

11 retailers$1,792 NZD to $10,129 NZD

A
Cheapest Retailer
-
$1,792 NZD
$1,010 USD
B+
Retailer 2
-
$3,057 NZD
$1,723 USD
View
B+
Retailer 3
-
$3,327 NZD
$1,875 USD
View
B+
Retailer 4
-
$3,423 NZD
$1,929 USD
View
Final sale: no returns
Retailer 5
-
$3,547 NZD
$1,999 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$3,547 NZD
$1,999 USD
View
B+
Retailer 7
-
$3,850 NZD
$2,170 USD
View
B
Retailer 8
-
$5,570 NZD
$3,139 USD
View
B
Retailer 9
-
$6,114 NZD
$3,446 USD
View
B
Retailer 10
-
$6,648 NZD
$3,747 USD
View
Most Expensive
B
MOH London
LG442067003 · Nov 1
$10,129 NZD
£4,495 GBP
View
10 more retailers have this diamond
Prices start from $1,792 NZDSave up to $8,337 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
1.80ct Princess
$1,792 NZD