Oval|Lab Grown|IGI

1.09ct J SI1 Oval Lab Grown Diamond

EX • J/SI1

Diamond specifications and retailer prices

This diamond has been sold
Last seen: Sep 9, 2026 at $1,500 USD
$1,500 USDlast known price

About this 1.09ct lab-grown oval diamond

This 1.09ct lab-grown oval 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

1.09
Carat
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.43 × 5.74 mm
L/W Ratio1.47
Top View
8.43 mm5.74 mm1.09 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 61.0%CrownGirdlePavilionCuletDepth 62.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Sep 9
Current: $1,500 USD|Low: $1,500 USD|High: $9,643 USD|Avg: $4,214 USD

3 data points across 1 retailer

Historical Listings

B
Helzberg Diamonds
ZXZNONMKIMON · Sep 9
$1,500 USD
View

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1.09ct J SI1 Oval Lab-Grown Diamond (Sold) | Carat Hunter