CaratHunter
Plans
Princess|Lab Grown|IGI

39.63ct H SI1 Princess Lab Grown Diamond

ID • H/SI1 • IGI LG817621033

Shape and cutting style on the report: Princess cut

Certificate IGI LG817621033

Diamond specifications and retailer prices

From $40,463 AUD
$28,357 USD
As of November 2, 2026
Save $39,115 AUD (49%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $79,578 AUD at Yorxs · As of October 29, 2026
View at Yorxs

About this 39.63ct lab-grown princess diamond

This 39.63ct lab-grown princess sits in the over five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG817621033 or 817621033. Listed at 3 retailers as of October 29, 2026, with prices from $40,463 to $79,578, a $39,115 spread on the same certified stone. Yorxs lists it at $79,578. 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

39.63
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.8°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817621033
Dimensions18.79 × 18.22 × 12.40 mm
L/W Ratio1.03
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.79 mm18.22 mm39.63 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817621033
Side View
Table 73.0%Crown 46.8°Girdle: Slightly ThickPavilion 35.8°Culet: NoneDepth 68.1%

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 2
Current: $65,409 AUD|Low: $40,463 AUD|High: $79,578 AUD|Avg: $61,509 AUD|-0.7%
Retailer 1
Retailer 2
Yorxs
October 31, 2026
Retailer 2$40,463 AUD
Retailer 1$65,409 AUD
Yorxs$79,578 AUD

18 data points across 3 retailers

3 retailers$40,463 AUD to $79,578 AUD

A
Cheapest Retailer
-
$40,463 AUD
$28,357 USD
B+
Retailer 2
-
$65,409 AUD
$45,840 USD
View
Most Expensive
B
Yorxs
595970498 · Oct 29
$79,578 AUD
€53,114 EUR
View
2 more retailers have this diamond
Prices start from $40,463 AUDSave up to $39,115 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
39.63ct Princess
$40,463 AUD