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3.29ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG573306574

Shape and cutting style on the report: Round brilliant

Certificate IGI LG573306574

Diamond specifications and retailer prices

From $3,140 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $3,140 USD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 3.29ct lab-grown round diamond

This 3.29ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG573306574 or 573306574. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.29
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG573306574
Dimensions9.64 × 9.61 × 5.82 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
9.64 mm9.61 mm3.29 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG573306574
Side View
Table 57.5%Crown 33.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.4%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 29
Current: $934 USD|Low: $934 USD|High: $2,217 USD|Avg: $1,606 USD|-0.0%
Retailer 1
Retailer 2
January 11, 2026
Retailer 1$934 USD
Retailer 2$2,216 USD

11 data points across 2 retailers

1 retailer

C
Brilliant Earth
14223615A · Oct 29
$3,140 USD
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C
3.29ct Round
$3,140 USD