CaratHunter
Plans
Princess|Lab Grown|IGI

11.51ct E VS1 Princess Lab Grown Diamond

ID • E/VS1 • IGI LG631464672

Shape and cutting style on the report: Princess cut

Certificate IGI LG631464672

Diamond specifications and retailer prices

From $38,275 AUD
$26,890 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $38,275 AUD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 11.51ct lab-grown princess diamond

This 11.51ct 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 LG631464672 or 631464672. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

11.51
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631464672
Dimensions12.44 × 12.18 × 8.46 mm
L/W Ratio1.02
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
12.44 mm12.18 mm11.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631464672
Side View
Table 69.0%Crown 44.8°Girdle: Slightly ThickPavilion 37.5°Culet: NoneDepth 69.5%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $38,275 AUD|Low: $38,275 AUD|High: $1,068,083 AUD|Avg: $707,749 AUD|-7.8%
Brilliant Earth
Retailer 2
Retailer 3
October 4, 2026
Brilliant Earth$38,275 AUD
Retailer 2$483,505 AUD
Retailer 3$1,068,083 AUD

26 data points across 3 retailers

1 retailer

B
Brilliant Earth
20637268A · Oct 29
$38,275 AUD
$26,890 USD
View

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.

B
11.51ct Princess
$38,275 AUD