Princess|Lab Grown|IGI

1.80ct I SI2 Princess Lab Grown Diamond

ID • I/SI2 • IGI LG451056586

Shape and cutting style on the report: Princess cut

Certificate IGI LG451056586

Diamond specifications and retailer prices

From €918 EUR
As of November 4, 2026
Save €3,505 EUR (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,423 EUR at MOH London · As of November 3, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451056586 or 451056586. Listed at 10 retailers as of November 3, 2026, with prices from €918 to €4,423, a €3,505 spread on the same certified stone. MOH London lists it at €4,423. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056586
Dimensions6.80 × 6.56 × 4.55 mm
L/W Ratio1.04
Culet sizePointed
Cert comments
undefined
Top View
6.80 mm6.56 mm1.80 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056586
Side View
Table 74.0%Crown 43.7°Girdle: MediumPavilion 38.2°Culet: NoneDepth 69.4%

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: Nov 4
Current: €4,423 EUR|Low: €918 EUR|High: €4,476 EUR|Avg: €1,974 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 2€918 EUR
Retailer 3€1,187 EUR
Retailer 7€1,291 EUR
Retailer 8€1,328 EUR
Retailer 4€1,377 EUR
Retailer 10€1,901 EUR
Retailer 5€2,177 EUR
Retailer 9€2,566 EUR
Retailer 6€2,580 EUR
MOH London€4,423 EUR

16 data points across 10 retailers

10 retailers€918 EUR to €4,423 EUR

A
Cheapest Retailer
-
€918 EUR
B+
Retailer 2
-
€1,187 EUR
View
B+
Retailer 3
-
€1,291 EUR
View
B+
Retailer 4
-
€1,328 EUR
View
Final sale: no returns
B+
Retailer 5
-
€1,377 EUR
View
Retailer 6
-
€1,377 EUR
View
Price last confirmed 25 days ago
B
Retailer 7
-
€2,177 EUR
View
B
Retailer 8
-
€2,566 EUR
View
B
Retailer 9
-
€2,580 EUR
View
Most Expensive
B
MOH London
LG451056586 · Nov 3
€4,423 EUR
£3,909 GBP
View
9 more retailers have this diamond
Prices start from €918 EURSave up to €3,505 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
€918 EUR