Round|Lab Grown|IGI
1.22ct J SI1 Round Lab Grown Diamond
EX • J/SI1
Diamond specifications and retailer prices
This diamond has been sold
Last seen: Sep 9, 2026 at $1,821 USD
$1,821 USDlast known price
About this 1.22ct lab-grown round diamond
This 1.22ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.
The 4Cs
1.22
Carat
J
Color
SI1
Clarity
Excellent
Cut
Specifications
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions6.82 × 6.86 mm
L/W Ratio1.01
Top View
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Caratlytics Score
Historical Listings
Helzberg Diamonds
$1,821 USD
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