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 $274 USD
As of November 1, 2026
Save $736 USD (73%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,010 USD at Brilliant Earth · As of October 31, 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 6 retailers as of October 31, 2026, with prices from $274 to $1,010, a $736 spread on the same certified stone. Brilliant Earth lists it at $1,010. 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
Color
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

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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 1
Current: $1,010 USD|Low: $274 USD|High: $1,010 USD|Avg: $468 USD|+9.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 5$274 USD
Retailer 6$314 USD
Retailer 4$344 USD
Retailer 2$420 USD
Retailer 7$427 USD
Retailer 3$744 USD
Brilliant Earth$1,010 USD

7 data points across 7 retailers

6 retailers$274 USD to $1,010 USD

A
Cheapest Retailer
-
$274 USD
B+
Retailer 2
-
$314 USD
View
A
Retailer 3
-
$344 USD
View
A
Retailer 4
-
$420 USD
€400 EUR
View
B+
Retailer 5
-
$744 USD
A$1,144 AUD
View
Most Expensive
B
Brilliant Earth
22272087A · Oct 31
$1,010 USD
View
5 more retailers have this diamond
Prices start from $274 USDSave up to $736 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