Princess|Lab Grown|IGI

1.20ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG591374667

Shape and cutting style on the report: Princess cut

Certificate IGI LG591374667

Diamond specifications and retailer prices

From $274 USD
As of October 30, 2026
Save $1,065 USD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,339 USD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.2ct lab-grown princess diamond

This 1.2ct lab-grown princess sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG591374667 or 591374667. Listed at 18 retailers as of October 30, 2026, with prices from $274 to $1,339, a $1,065 spread on the same certified stone. Reve Diamonds lists it at $1,339. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591374667
Dimensions5.82 × 5.60 × 4.02 mm
L/W Ratio1.04
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
5.82 mm5.60 mm1.20 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591374667
Side View
Table 67.0%Crown 41.6°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 71.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $573 USD|Low: $236 USD|High: $1,234 USD|Avg: $587 USD|+3.7%
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
Retailer 14
Retailer 15
November 1, 2026
Retailer 14$245 USD
Retailer 7$274 USD
Retailer 5$285 USD
Retailer 2$304 USD
Retailer 9$452 USD
Retailer 8$506 USD
Retailer 3$511 USD
Retailer 10$523 USD
Retailer 1$573 USD
Retailer 6$617 USD
Retailer 11$742 USD
Retailer 13$768 USD
Retailer 15$820 USD
Retailer 4$978 USD
Retailer 12$1,226 USD

40 data points across 15 retailers

18 retailers$274 USD to $1,339 USD

Retailer 1
-
$245 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$274 USD
View
Final sale: no returns
Retailer 3
-
$285 USD
View
Price last confirmed 11 days ago
Retailer 4
-
$304 USD
View
Price last confirmed 16 days ago
Retailer 5
-
$304 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$452 USD
View
A
Retailer 7
-
$506 USD
€482 EUR
View
B+
Retailer 8
-
$511 USD
View
B+
Retailer 9
-
$523 USD
ZAR 8,447 ZAR
View
B+
Retailer 10
-
$573 USD
£451 GBP
View
B+
Retailer 11
-
$617 USD
View
B+
Retailer 12
-
$742 USD
A$1,142 AUD
View
B
Retailer 13
-
$768 USD
View
B
Retailer 14
-
$820 USD
View
Retailer 15
-
$978 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
$1,030 USD
View
B
Retailer 17
-
$1,226 USD
£965 GBP
View
Most Expensive
B
Reve Diamonds
3D85C15AA · Nov 1
$1,339 USD
View
17 more retailers have this diamond
Prices start from $274 USDSave up to $1,065 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
1.20ct Princess
$274 USD