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Princess|Lab Grown|IGI

1.81ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG512221693

Shape and cutting style on the report: Princess cut

Certificate IGI LG512221693

Diamond specifications and retailer prices

From €214 EUR
$238 USD
As of October 25, 2026
Save €791 EUR (79%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,005 EUR 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512221693 or 512221693. Listed at 13 retailers as of October 25, 2026, with prices from €214 to €1,005, a €791 spread on the same certified stone. MOH London lists it at €1,005. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.1°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512221693
Dimensions6.60 × 6.53 × 4.73 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.60 mm6.53 mm1.81 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512221693
Side View
Table 71.0%Crown 45.1°Girdle: MediumPavilion 38.2°Culet: NoneDepth 72.4%

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 25
Current: €1,005 EUR|Low: €165 EUR|High: €1,012 EUR|Avg: €523 EUR|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 8€165 EUR
Retailer 6€214 EUR
Retailer 7€214 EUR
Retailer 4€275 EUR
Retailer 9€375 EUR
Retailer 2€388 EUR
Retailer 10€552 EUR
Retailer 5€690 EUR
Retailer 11€736 EUR
Retailer 3€989 EUR
MOH London€1,005 EUR

43 data points across 11 retailers

13 retailers€214 EUR to €1,005 EUR

Retailer 1
-
€165 EUR
$184 USD
Price last confirmed 28 days ago
Retailer 2
-
€200 EUR
$223 USD
View
Price last confirmed 27 days ago
Retailer 3
-
€214 EUR
$238 USD
View
Price last confirmed 26 days ago
A
Retailer 4
-
€214 EUR
$238 USD
View
A
Retailer 5
-
€275 EUR
£241 GBP
View
B+
Retailer 6
-
€375 EUR
$417 USD
View
A
Retailer 7
-
€388 EUR
£340 GBP
View
B+
Retailer 8
-
€552 EUR
$614 USD
View
Retailer 9
-
€687 EUR
$765 USD
View
Price last confirmed 25 days ago
B
Retailer 10
-
€690 EUR
$768 USD
View
B
Retailer 11
-
€736 EUR
$819 USD
View
B
Retailer 12
-
€989 EUR
HK$8,600 HKD
View
Most Expensive
B
MOH London
LG512221693 · Oct 29
€1,005 EUR
£881 GBP
View
12 more retailers have this diamond
Prices start from €214 EURSave up to €791 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
1.81ct Princess
€214 EUR