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Princess|Lab Grown|IGI

1.80ct J SI2 Princess Lab Grown Diamond

ID • J/SI2 • IGI LG451058647

Shape and cutting style on the report: Princess cut

Certificate IGI LG451058647

Diamond specifications and retailer prices

From €1,095 EUR
$1,223 USD
As of October 30, 2026
Save €2,986 EUR (73%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €4,081 EUR 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451058647 or 451058647. Listed at 9 retailers as of October 30, 2026, with prices from €1,095 to €4,081, a €2,986 spread on the same certified stone. MOH London lists it at €4,081. 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
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451058647
Dimensions6.58 × 6.49 × 4.83 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
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Top View
6.58 mm6.49 mm1.80 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451058647
Side View
Table 69.5%Crown 40.2°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 74.4%

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 30
Current: €4,081 EUR|Low: €1,095 EUR|High: €4,136 EUR|Avg: €2,009 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 2€1,095 EUR
Retailer 4€1,225 EUR
Retailer 7€1,253 EUR
Retailer 6€1,803 EUR
Retailer 3€2,015 EUR
Retailer 5€2,434 EUR
MOH London€4,081 EUR

12 data points across 7 retailers

9 retailers€1,095 EUR to €4,081 EUR

A
Cheapest Retailer
-
€1,095 EUR
$1,223 USD
A
Retailer 2
-
€1,191 EUR
$1,331 USD
View
A
Retailer 3
-
€1,225 EUR
$1,369 USD
View
Final sale: no returns
A
Retailer 4
-
€1,270 EUR
$1,419 USD
View
Retailer 5
-
€1,270 EUR
$1,419 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
€2,015 EUR
$2,251 USD
View
B
Retailer 7
-
€2,381 EUR
$2,660 USD
View
B
Retailer 8
-
€2,434 EUR
$2,719 USD
View
Most Expensive
B
MOH London
LG451058647 · Nov 1
€4,081 EUR
£3,590 GBP
View
8 more retailers have this diamond
Prices start from €1,095 EURSave up to €2,986 EUR

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
€1,095 EUR