Princess|Lab Grown|IGI

1.73ct I SI2 Princess Lab Grown Diamond

ID • I/SI2 • IGI LG440010853

Shape and cutting style on the report: Princess cut

Certificate IGI LG440010853

Diamond specifications and retailer prices

From €859 EUR
$960 USD
As of October 31, 2026
Save €3,415 EUR (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,274 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.73ct lab-grown princess diamond

This 1.73ct 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 LG440010853 or 440010853. Listed at 10 retailers as of October 31, 2026, with prices from €859 to €4,274, a €3,415 spread on the same certified stone. MOH London lists it at €4,274. 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

1.73
Carat
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440010853
Dimensions6.54 × 6.49 × 4.62 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
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Top View
6.54 mm6.49 mm1.73 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440010853
Side View
Table 73.5%Crown 44.6°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 71.2%

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: €4,274 EUR|Low: €859 EUR|High: €4,327 EUR|Avg: €1,896 EUR|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2€859 EUR
Retailer 3€1,147 EUR
Retailer 7€1,248 EUR
Retailer 8€1,284 EUR
Retailer 4€1,330 EUR
Retailer 10€1,846 EUR
Retailer 5€2,106 EUR
Retailer 9€2,479 EUR
Retailer 6€2,494 EUR
MOH London€4,274 EUR

17 data points across 10 retailers

10 retailers€859 EUR to €4,274 EUR

A
Cheapest Retailer
-
€859 EUR
$960 USD
B+
Retailer 2
-
€1,147 EUR
$1,281 USD
View
B+
Retailer 3
-
€1,248 EUR
$1,394 USD
View
B+
Retailer 4
-
€1,284 EUR
$1,435 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,330 EUR
$1,486 USD
View
Retailer 6
-
€1,330 EUR
$1,486 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
€2,106 EUR
$2,353 USD
View
B
Retailer 8
-
€2,479 EUR
$2,770 USD
View
B
Retailer 9
-
€2,494 EUR
$2,786 USD
View
Most Expensive
B
MOH London
LG440010853 · Nov 1
€4,274 EUR
£3,760 GBP
View
9 more retailers have this diamond
Prices start from €859 EURSave up to €3,415 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
1.73ct Princess
€859 EUR