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Round|Lab Grown|IGI

1.21ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG538298364

Shape and cutting style on the report: Round brilliant

Certificate IGI LG538298364

Diamond specifications and retailer prices

From $797 AUD
$560 USD
As of October 31, 2026
Save $327 AUD (29%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,125 AUD at Kay Jewelers · As of November 1, 2026
View at Kay Jewelers

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG538298364 or 538298364. Listed at 2 retailers as of October 31, 2026, with prices from $797 to $1,125, a $327 spread on the same certified stone. Kay Jewelers lists it at $1,125. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538298364
Dimensions6.77 × 6.79 × 4.23 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.77 mm6.79 mm1.21 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG538298364
Side View
Table 59.0%Crown 36.1°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $1,125 AUD|Low: $797 AUD|High: $1,125 AUD|Avg: $1,016 AUD
Kay Jewelers
Retailer 2
September 26, 2026
Retailer 2$797 AUD
Kay Jewelers$1,125 AUD

2 data points across 2 retailers

2 retailers$797 AUD to $1,125 AUD

A
Cheapest Retailer
-
$797 AUD
$560 USD
Most Expensive
B+
Kay Jewelers
259924370 · Nov 1
$1,125 AUD
$790 USD
View
1 more retailer has this diamond
Prices start from $797 AUDSave up to $327 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
1.21ct Round
$797 AUD