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Round|Lab Grown|IGI

3.40ct H SI2 Round Lab Grown Diamond

ID • H/SI2 • IGI LG614334789

Shape and cutting style on the report: Round brilliant

Certificate IGI LG614334789

Diamond specifications and retailer prices

From €1,818 EUR
$2,040 USD
As of November 5, 2026
3 retailers carry this diamond
Most expensive: €1,818 EUR at Brilliant Earth
View at Brilliant Earth

About this 3.4ct lab-grown round diamond

This 3.4ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG614334789 or 614334789. Listed at 3 retailers as of November 5, 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

3.40
Carat
H
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614334789
Dimensions9.69 × 9.58 × 5.91 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
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
9.69 mm9.58 mm3.40 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG614334789
Side View
Table 60.0%Crown 33.3°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 61.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 5
Current: €1,818 EUR|Low: €563 EUR|High: €3,412 EUR|Avg: €1,912 EUR|-46.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
September 22, 2026
Retailer 4€563 EUR
Retailer 3€973 EUR
Retailer 5€979 EUR
Retailer 2€1,560 EUR
Brilliant Earth€1,818 EUR
Retailer 6€2,165 EUR

12 data points across 6 retailers

3 retailers

Retailer 1
-
€292 EUR
Price last confirmed 45 days ago
Retailer 2
-
€1,284 EUR
View
Price last confirmed 46 days ago
Most Expensive
B+
Brilliant Earth
8941567Y · Nov 5
€1,818 EUR
$2,040 USD
View
2 more retailers have this diamond

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+
3.40ct Round
€1,818 EUR