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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 $1,371 AUD
As of November 4, 2026
Save $5,432 AUD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,803 AUD at MOH London · As of November 5, 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 November 4, 2026, with prices from $1,371 to $6,803, a $5,432 spread on the same certified stone. MOH London lists it at $6,803. 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
Colour
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: Nov 4
Current: $6,803 AUD|Low: $1,371 AUD|High: $6,905 AUD|Avg: $3,046 AUD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 2$1,371 AUD
Retailer 3$1,830 AUD
Retailer 7$1,991 AUD
Retailer 8$2,050 AUD
Retailer 4$2,123 AUD
Retailer 10$2,946 AUD
Retailer 5$3,361 AUD
Retailer 9$3,957 AUD
Retailer 6$3,980 AUD
MOH London$6,803 AUD

16 data points across 10 retailers

10 retailers$1,371 AUD to $6,803 AUD

A
Cheapest Retailer
-
$1,371 AUD
B+
Retailer 2
-
$1,830 AUD
View
B+
Retailer 3
-
$1,991 AUD
View
B+
Retailer 4
-
$2,050 AUD
View
Final sale: no returns
B+
Retailer 5
-
$2,123 AUD
View
Retailer 6
-
$2,123 AUD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$3,361 AUD
View
B
Retailer 8
-
$3,957 AUD
View
B
Retailer 9
-
$3,980 AUD
View
Most Expensive
B
MOH London
LG440010853 · Nov 5
$6,803 AUD
£3,750 GBP
View
9 more retailers have this diamond
Prices start from $1,371 AUDSave up to $5,432 AUD

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
$1,371 AUD