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Round|Lab Grown|IGI

3.28ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG474140280

Shape and cutting style on the report: Round brilliant

Certificate IGI LG474140280

Diamond specifications and retailer prices

From €3,598 EUR
$4,020 USD
As of October 31, 2026
12 retailers carry this diamond
Most expensive: €16,224 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 3.28ct lab-grown round diamond

This 3.28ct 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 LG474140280 or 474140280. Listed at 12 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

3.28
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG474140280
Dimensions9.56 × 9.50 × 5.82 mm
L/W Ratio1.01
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
9.56 mm9.50 mm3.28 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG474140280
Side View
Table 58.0%Crown 36°Girdle: MediumPavilion 40.2°Culet: NoneDepth 61.0%

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: €16,224 EUR|Low: €3,598 EUR|High: €23,301 EUR|Avg: €10,999 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5€3,598 EUR
Retailer 4€7,682 EUR
Retailer 8€8,603 EUR
Retailer 6€8,911 EUR
Retailer 9€8,911 EUR
Retailer 3€9,912 EUR
Retailer 7€10,310 EUR
Retailer 2€10,704 EUR
MOH London€16,224 EUR
Retailer 10€23,301 EUR

40 data points across 10 retailers

12 retailers

B
Cheapest Retailer
-
€3,598 EUR
$4,020 USD
Most Expensive
MOH London
LG474140280 · Nov 1
€16,224 EUR
£14,272 GBP
View
Price under review
1 more retailer has this diamond
Prices start from €3,598 EUR

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
3.28ct Round
€3,598 EUR