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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 $1,708 NZD
As of November 4, 2026
Save $6,764 NZD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,472 NZD 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 $1,708 to $8,472, a $6,764 spread on the same certified stone. MOH London lists it at $8,472. 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: $8,472 NZD|Low: $1,708 NZD|High: $8,599 NZD|Avg: $3,793 NZD|-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$1,708 NZD
Retailer 3$2,279 NZD
Retailer 7$2,480 NZD
Retailer 8$2,553 NZD
Retailer 4$2,643 NZD
Retailer 10$3,668 NZD
Retailer 5$4,186 NZD
Retailer 9$4,928 NZD
Retailer 6$4,956 NZD
MOH London$8,472 NZD

16 data points across 10 retailers

10 retailers$1,708 NZD to $8,472 NZD

A
Cheapest Retailer
-
$1,708 NZD
B+
Retailer 2
-
$2,279 NZD
View
B+
Retailer 3
-
$2,480 NZD
View
B+
Retailer 4
-
$2,553 NZD
View
Final sale: no returns
B+
Retailer 5
-
$2,643 NZD
View
Retailer 6
-
$2,643 NZD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$4,186 NZD
View
B
Retailer 8
-
$4,928 NZD
View
B
Retailer 9
-
$4,956 NZD
View
Most Expensive
B
MOH London
LG440010853 · Nov 5
$8,472 NZD
£3,750 GBP
View
9 more retailers have this diamond
Prices start from $1,708 NZDSave up to $6,764 NZD

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
$1,708 NZD