Princess|Lab Grown|IGI

11.23ct F VS1 Princess Lab Grown Diamond

ID • F/VS1 • IGI LG623421591

Shape and cutting style on the report: Princess cut

Certificate IGI LG623421591

Diamond specifications and retailer prices

From $4,564 USD
As of October 31, 2026
Save $16,726 USD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $21,290 USD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 11.23ct lab-grown princess diamond

This 11.23ct lab-grown princess sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG623421591 or 623421591. Listed at 10 retailers as of October 31, 2026, with a 366% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

11.23
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623421591
Dimensions12.27 × 11.98 × 8.62 mm
L/W Ratio1.02
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
12.27 mm11.98 mm11.23 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623421591
Side View
Table 73.0%Crown 45.6°Girdle: MediumPavilion 38.9°Culet: NoneDepth 72.0%

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: Oct 31
Current: $21,290 USD|Low: $4,564 USD|High: $21,940 USD|Avg: $8,522 USD|-3.0%
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
October 31, 2026
Retailer 10$4,564 USD
Retailer 6$4,667 USD
Retailer 15$5,078 USD
Retailer 13$5,102 USD
Retailer 8$5,424 USD
Retailer 3$5,923 USD
Retailer 4$6,279 USD
Retailer 9$6,465 USD
Retailer 11$8,568 USD
Retailer 12$8,894 USD
Retailer 2$8,895 USD
Retailer 7$10,221 USD
Retailer 5$12,689 USD
Retailer 14$12,872 USD
Brilliant Earth$21,290 USD

21 data points across 15 retailers

10 retailers$4,564 USD to $21,290 USD

A
Cheapest Retailer
-
$4,564 USD
B+
Retailer 2
-
$5,102 USD
View
B+
Retailer 3
-
$5,424 USD
€5,166 EUR
View
B+
Retailer 4
-
$6,465 USD
View
B
Retailer 5
-
$8,568 USD
View
B
Retailer 6
-
$8,894 USD
View
B+
Retailer 7
-
$8,895 USD
A$13,684 AUD
View
B
Retailer 8
-
$13,135 USD
View
B
Retailer 9
-
$21,290 USD
View
Most Expensive
Brilliant Earth
16057001A · Oct 8
$21,290 USD
View
Price last confirmed 24 days ago
9 more retailers have this diamond
Prices start from $4,564 USDSave up to $16,726 USD

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
11.23ct Princess
$4,564 USD