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Princess|Lab Grown|IGI

10.20ct E VS1 Princess Lab Grown Diamond

EX • E/VS1 • IGI LG826608493

Shape and cutting style on the report: Princess cut

Certificate IGI LG826608493

Diamond specifications and retailer prices

From $3,605 AUD
$2,532 USD
As of October 29, 2026
Save $28,071 AUD (89%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $31,675 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 10.2ct lab-grown princess diamond

This 10.2ct lab-grown princess sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826608493 or 826608493. Listed at 3 retailers as of October 29, 2026, with prices from $3,605 to $31,675, a $28,071 spread on the same certified stone. Brilliant Earth lists it at $31,675. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

10.20
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826608493
Dimensions12.18 × 12.04 × 8.19 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.18 mm12.04 mm10.20 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826608493
Side View
Table 68.0%Crown 39.6°Girdle: MediumPavilion 38.1°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $31,675 AUD|Low: $3,605 AUD|High: $34,138 AUD|Avg: $14,626 AUD|-6.6%
Brilliant Earth
Retailer 2
Retailer 3
October 30, 2026
Retailer 3$3,605 AUD
Retailer 2$5,185 AUD
Brilliant Earth$31,675 AUD

36 data points across 3 retailers

3 retailers$3,605 AUD to $31,675 AUD

A
Cheapest Retailer
-
$3,605 AUD
$2,532 USD
Final sale: no returns
A
Retailer 2
-
$5,185 AUD
£2,868 GBP
View
Most Expensive
B
Brilliant Earth
21229916A · Oct 30
$31,675 AUD
$22,250 USD
View
2 more retailers have this diamond
Prices start from $3,605 AUDSave up to $28,071 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
10.20ct Princess
$3,605 AUD