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3.37ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG677511109

Shape and cutting style on the report: Round brilliant

Certificate IGI LG677511109

Diamond specifications and retailer prices

From $946 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $946 USD at B2C Jewels
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 B2C Jewels

About this 3.37ct lab-grown round diamond

This 3.37ct 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 LG677511109 or 677511109. 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

3.37
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677511109
Dimensions9.61 × 9.65 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.61 mm9.65 mm3.37 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677511109
Side View
Table 59.0%Crown 33.4°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $946 USD|Low: $912 USD|High: $1,502 USD|Avg: $1,128 USD|-37.0%
September 23, 2026
B2C Jewels$946 USD

4 data points across 1 retailer

1 retailer

B+
B2C Jewels
27199045 · Oct 29
$946 USD
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B+
3.37ct Round
$946 USD