Princess|Lab Grown|IGI

12.05ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG681571989

Shape and cutting style on the report: Princess cut

Certificate IGI LG681571989

Diamond specifications and retailer prices

From $3,390 USD
£2,669 GBP
As of October 30, 2026
Save $11,451 USD (77%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $14,841 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 LG681571989 or 681571989. Listed at 16 retailers as of October 30, 2026, with prices from $3,390 to $14,841, a $11,451 spread on the same certified stone. Taylor and Hart lists it at $14,841. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681571989
Dimensions12.93 × 12.51 × 8.22 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.93 mm12.51 mm12.05 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681571989
Side View
Table 64.0%Crown 41.1°Girdle: Slightly ThickPavilion 34.8°Culet: NoneDepth 65.7%

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 30
Current: $3,390 USD|Low: $3,379 USD|High: $11,682 USD|Avg: $5,711 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 1$3,390 USD
Retailer 9$3,628 USD
Retailer 10$4,063 USD
Retailer 3$4,208 USD
Retailer 13$4,208 USD
Retailer 7$4,210 USD
Retailer 4$4,484 USD
Retailer 6$5,497 USD
Retailer 8$5,691 USD
Retailer 5$6,462 USD
Retailer 2$6,524 USD
Retailer 12$10,583 USD
Retailer 11$11,682 USD

43 data points across 13 retailers

16 retailers$3,390 USD to $14,841 USD

A
Cheapest Retailer
-
$3,390 USD
£2,669 GBP
Retailer 2
-
$3,628 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$3,947 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$4,063 USD
View
Final sale: no returns
Retailer 5
-
$4,208 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$4,208 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
$4,210 USD
View
A
Retailer 8
-
$4,484 USD
View
B+
Retailer 9
-
$5,497 USD
£4,328 GBP
View
B+
Retailer 10
-
$5,691 USD
View
B+
Retailer 11
-
$6,462 USD
£5,088 GBP
View
B+
Retailer 12
-
$6,524 USD
View
B
Retailer 13
-
$9,000 USD
View
B
Retailer 14
-
$10,583 USD
View
B
Retailer 15
-
$11,682 USD
View
Most Expensive
B
Taylor and Hart
VOARW1H · Oct 30
$14,841 USD
View
15 more retailers have this diamond
Prices start from $3,390 USDSave up to $11,451 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
$3,390 USD