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Princess|Lab Grown|IGI

1.71ct K SI1 Princess Lab Grown Diamond

ID • K/SI1 • IGI LG440012125

Shape and cutting style on the report: Princess cut

Certificate IGI LG440012125

Diamond specifications and retailer prices

From $1,478 AUD
As of November 6, 2026
Save $4,320 AUD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,798 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.71ct lab-grown princess diamond

This 1.71ct 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 LG440012125 or 440012125. Listed at 9 retailers as of November 5, 2026, with prices from $1,478 to $5,798, a $4,320 spread on the same certified stone. MOH London lists it at $5,798. 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

1.71
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012125
Dimensions6.43 × 6.43 × 4.75 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
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Top View
6.43 mm6.43 mm1.71 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440012125
Side View
Table 73.5%Crown 42.6°Girdle: MediumPavilion 40.4°Culet: NoneDepth 73.9%

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: $5,798 AUD|Low: $1,478 AUD|High: $5,893 AUD|Avg: $3,482 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$1,478 AUD
Retailer 2$1,964 AUD
Retailer 6$2,493 AUD
Retailer 4$2,736 AUD
Retailer 5$3,583 AUD
Retailer 7$4,908 AUD
MOH London$5,798 AUD

17 data points across 7 retailers

9 retailers$1,478 AUD to $5,798 AUD

A
Cheapest Retailer
-
$1,478 AUD
A
Retailer 2
-
$1,608 AUD
View
Retailer 3
-
$1,714 AUD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$1,714 AUD
View
A
Retailer 5
-
$1,964 AUD
View
B+
Retailer 6
-
$2,736 AUD
View
B
Retailer 7
-
$3,213 AUD
View
B
Retailer 8
-
$3,583 AUD
View
Most Expensive
B
MOH London
LG440012125 · Nov 5
$5,798 AUD
£3,196 GBP
View
8 more retailers have this diamond
Prices start from $1,478 AUDSave up to $4,320 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
1.71ct Princess
$1,478 AUD