Princess|Lab Grown|IGI

12.05ct G VS1 Princess Lab Grown Diamond

EX • G/VS1 • IGI LG826689343

Shape and cutting style on the report: Princess cut

Certificate IGI LG826689343

Diamond specifications and retailer prices

From $2,212 USD
As of October 31, 2026
Save $8,238 USD (79%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $10,450 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 12.05ct lab-grown princess diamond

This 12.05ct lab-grown princess sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826689343 or 826689343. Listed at 3 retailers as of October 29, 2026, with prices from $2,212 to $10,450, a $8,238 spread on the same certified stone. Brilliant Earth lists it at $10,450. 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

12.05
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826689343
Dimensions12.61 × 12.36 × 8.74 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.61 mm12.36 mm12.05 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826689343
Side View
Table 68.0%Crown 43.3°Girdle: MediumPavilion 38.5°Culet: NoneDepth 70.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $10,450 USD|Low: $2,212 USD|High: $10,450 USD|Avg: $5,620 USD
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 3$2,212 USD
Retailer 2$3,180 USD
Brilliant Earth$10,450 USD

38 data points across 3 retailers

3 retailers$2,212 USD to $10,450 USD

A
Cheapest Retailer
-
$2,212 USD
Final sale: no returns
A
Retailer 2
-
$3,180 USD
£2,504 GBP
View
Most Expensive
B
Brilliant Earth
21227550A · Oct 29
$10,450 USD
View
2 more retailers have this diamond
Prices start from $2,212 USDSave up to $8,238 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
12.05ct Princess
$2,212 USD