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Round|Lab Grown|IGI

3.51ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG474141709

Shape and cutting style on the report: Round brilliant

Certificate IGI LG474141709

Diamond specifications and retailer prices

From €2,426 EUR
$2,710 USD
As of October 31, 2026
11 retailers carry this diamond
Only listing: €2,426 EUR 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 3.51ct lab-grown round diamond

This 3.51ct 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 LG474141709 or 474141709. Listed at 11 retailers as of October 31, 2026. 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

3.51
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474141709
Dimensions9.80 × 9.76 × 5.91 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.80 mm9.76 mm3.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474141709
Side View
Table 58.5%Crown 33.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: €2,426 EUR|Low: €2,426 EUR|High: €17,221 EUR|Avg: €10,002 EUR|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Brilliant Earth€2,426 EUR
Retailer 5€8,207 EUR
Retailer 7€9,192 EUR
Retailer 4€10,422 EUR
Retailer 6€11,010 EUR
Retailer 2€11,452 EUR
Retailer 3€17,084 EUR

36 data points across 7 retailers

11 retailers

B
Brilliant Earth
19753592A · Oct 31
€2,426 EUR
$2,710 USD
View

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.

B
3.51ct Round
€2,426 EUR