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Princess|Lab Grown|IGI

1.73ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG619437868

Shape and cutting style on the report: Princess cut

Certificate IGI LG619437868

Diamond specifications and retailer prices

From $373 AUD
$262 USD
As of October 30, 2026
Save $2,004 AUD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,377 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG619437868 or 619437868. Listed at 17 retailers as of October 30, 2026, with prices from $373 to $2,377, a $2,004 spread on the same certified stone. Brilliant Earth lists it at $2,377. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619437868
Dimensions6.49 × 6.43 × 4.67 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.49 mm6.43 mm1.73 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG619437868
Side View
Table 69.0%Crown 44.1°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 72.6%

Caratlytics Score

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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: Oct 30
Current: $2,377 AUD|Low: $316 AUD|High: $3,360 AUD|Avg: $1,046 AUD|-29.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 4$373 AUD
Retailer 13$433 AUD
Retailer 5$463 AUD
Retailer 17$463 AUD
Retailer 16$518 AUD
Retailer 11$634 AUD
Retailer 10$700 AUD
Retailer 8$772 AUD
Retailer 2$878 AUD
Retailer 7$914 AUD
Retailer 6$957 AUD
Retailer 14$1,422 AUD
Retailer 3$1,488 AUD
Retailer 15$1,815 AUD
Retailer 12$1,859 AUD
Retailer 9$1,908 AUD
Brilliant Earth$2,377 AUD

38 data points across 17 retailers

17 retailers$373 AUD to $2,377 AUD

A
Cheapest Retailer
-
$373 AUD
$262 USD
A
Retailer 2
-
$433 AUD
$304 USD
View
A
Retailer 3
-
$463 AUD
$325 USD
View
A
Retailer 4
-
$463 AUD
$325 USD
View
Retailer 5
-
$518 AUD
£287 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
$634 AUD
$445 USD
View
A
Retailer 7
-
$700 AUD
€468 EUR
View
B+
Retailer 8
-
$772 AUD
$542 USD
View
B+
Retailer 9
-
$878 AUD
£486 GBP
View
B+
Retailer 10
-
$914 AUD
$642 USD
View
B+
Retailer 11
-
$957 AUD
$672 USD
View
B
Retailer 12
-
$1,422 AUD
$999 USD
View
B
Retailer 13
-
$1,488 AUD
$1,045 USD
View
Retailer 14
-
$1,815 AUD
$1,275 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
$1,859 AUD
£1,028 GBP
View
B
Retailer 16
-
$1,908 AUD
$1,340 USD
View
Most Expensive
B
Brilliant Earth
9118972A · Oct 30
$2,377 AUD
$1,670 USD
View
16 more retailers have this diamond
Prices start from $373 AUDSave up to $2,004 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
$373 AUD