Princess|Lab Grown|IGI

1.28ct F VVS1 Princess Lab Grown Diamond

EX • F/VVS1 • IGI LG845671310

Shape and cutting style on the report: Princess cut

Certificate IGI LG845671310

Diamond specifications and retailer prices

From $343 USD
As of November 4, 2026
2 retailers carry this diamond
Most expensive: $1,000 USD at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 1.28ct lab-grown princess diamond

This 1.28ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG845671310 or 845671310. Listed at 2 retailers as of November 4, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845671310
Dimensions5.91 × 5.86 × 4.25 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.91 mm5.86 mm1.28 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845671310
Side View
Table 68.0%Crown 44°Girdle: MediumPavilion 38.4°Culet: NoneDepth 72.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: $1,000 USD|Low: $343 USD|High: $1,000 USD|Avg: $712 USD
Brilliant Earth
Retailer 2
Retailer 3
November 4, 2026
Retailer 2$343 USD
Retailer 3$498 USD
Brilliant Earth$1,000 USD

5 data points across 3 retailers

2 retailers

B+
Cheapest Retailer
-
$343 USD
Most Expensive
Brilliant Earth
22151183A · Oct 21
$1,000 USD
View
Price last confirmed 14 days ago
1 more retailer has this diamond
Prices start from $343 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.

B+
1.28ct Princess
$343 USD