Princess|Lab Grown|IGI

1.20ct F VS1 Princess Lab Grown Diamond

EX • F/VS1 • IGI LG839682734

Shape and cutting style on the report: Princess cut

Certificate IGI LG839682734

Diamond specifications and retailer prices

From $390 AUD
As of November 5, 2026
Save $1,053 AUD (73%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,443 AUD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.2ct lab-grown princess diamond

This 1.2ct lab-grown princess sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839682734 or 839682734. Listed at 8 retailers as of November 4, 2026, with prices from $390 to $1,443, a $1,053 spread on the same certified stone. Brilliant Earth lists it at $1,443. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839682734
Dimensions5.79 × 5.74 × 4.12 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.79 mm5.74 mm1.20 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839682734
Side View
Table 65.0%Crown 40°Girdle: MediumPavilion 38.3°Culet: NoneDepth 71.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,443 AUD|Low: $390 AUD|High: $1,443 AUD|Avg: $725 AUD|+9.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 7$390 AUD
Retailer 8$449 AUD
Retailer 6$491 AUD
Retailer 4$600 AUD
Retailer 9$609 AUD
Retailer 3$746 AUD
Retailer 5$1,061 AUD
Retailer 2$1,220 AUD
Brilliant Earth$1,443 AUD

11 data points across 9 retailers

8 retailers$390 AUD to $1,443 AUD

A
Cheapest Retailer
-
$390 AUD
B+
Retailer 2
-
$449 AUD
View
A
Retailer 3
-
$491 AUD
View
Retailer 4
-
$600 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$746 AUD
View
Retailer 6
-
$1,061 AUD
View
Price last confirmed 9 days ago
B
Retailer 7
-
$1,220 AUD
View
Most Expensive
B
Brilliant Earth
22272087A · Nov 4
$1,443 AUD
$1,010 USD
View
7 more retailers have this diamond
Prices start from $390 AUDSave up to $1,053 AUD

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
$390 AUD