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Princess|Lab Grown|IGI

1.73ct K SI1 Princess Lab Grown Diamond

ID • K/SI1 • IGI LG445036860

Shape and cutting style on the report: Princess cut

Certificate IGI LG445036860

Diamond specifications and retailer prices

From $1,861 NZD
As of November 6, 2026
Save $5,461 NZD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,322 NZD at MOH London · As of November 3, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445036860 or 445036860. Listed at 9 retailers as of November 3, 2026, with prices from $1,861 to $7,322, a $5,461 spread on the same certified stone. MOH London lists it at $7,322. 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
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle45.7°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036860
Dimensions6.51 × 6.45 × 4.65 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
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Top View
6.51 mm6.45 mm1.73 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445036860
Side View
Table 71.5%Crown 45.7°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 72.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $7,322 NZD|Low: $1,861 NZD|High: $7,421 NZD|Avg: $4,160 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3$1,861 NZD
Retailer 2$2,473 NZD
Retailer 6$3,136 NZD
Retailer 4$3,442 NZD
Retailer 5$4,513 NZD
MOH London$7,322 NZD

13 data points across 6 retailers

9 retailers$1,861 NZD to $7,322 NZD

A
Cheapest Retailer
-
$1,861 NZD
A
Retailer 2
-
$2,024 NZD
View
A
Retailer 3
-
$2,160 NZD
View
Retailer 4
-
$2,160 NZD
View
Price last confirmed 25 days ago
B+
Retailer 5
-
$2,473 NZD
View
B+
Retailer 6
-
$3,442 NZD
View
B
Retailer 7
-
$4,047 NZD
View
B
Retailer 8
-
$4,513 NZD
View
Most Expensive
B
MOH London
LG445036860 · Nov 3
$7,322 NZD
£3,241 GBP
View
8 more retailers have this diamond
Prices start from $1,861 NZDSave up to $5,461 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
$1,861 NZD