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 $960 USD
As of October 31, 2026
Save $3,815 USD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,775 USD 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 $960 to $4,775, a $3,815 spread on the same certified stone. MOH London lists it at $4,775. 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
undefined
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: $4,775 USD|Low: $960 USD|High: $4,834 USD|Avg: $2,118 USD|-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$960 USD
Retailer 3$1,281 USD
Retailer 7$1,394 USD
Retailer 8$1,435 USD
Retailer 4$1,486 USD
Retailer 10$2,062 USD
Retailer 5$2,353 USD
Retailer 9$2,770 USD
Retailer 6$2,786 USD
MOH London$4,775 USD

17 data points across 10 retailers

10 retailers$960 USD to $4,775 USD

A
Cheapest Retailer
-
$960 USD
B+
Retailer 2
-
$1,281 USD
View
B+
Retailer 3
-
$1,394 USD
View
B+
Retailer 4
-
$1,435 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,486 USD
View
Retailer 6
-
$1,486 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$2,353 USD
View
B
Retailer 8
-
$2,770 USD
View
B
Retailer 9
-
$2,786 USD
View
Most Expensive
B
MOH London
LG440010853 · Nov 1
$4,775 USD
£3,760 GBP
View
9 more retailers have this diamond
Prices start from $960 USDSave up to $3,815 USD

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
$960 USD