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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 €1,826 EUR
$2,040 USD
As of October 29, 2026
4 retailers carry this diamond
Most expensive: €1,826 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 4 retailers as of October 29, 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
Color
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €1,826 EUR|Low: €566 EUR|High: €3,428 EUR|Avg: €1,921 EUR|-46.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
September 22, 2026
Retailer 4€566 EUR
Retailer 3€977 EUR
Retailer 5€984 EUR
Retailer 2€1,568 EUR
Brilliant Earth€1,826 EUR
Retailer 6€2,176 EUR

12 data points across 6 retailers

4 retailers

Retailer 1
-
€294 EUR
$328 USD
Price last confirmed 39 days ago
Retailer 2
-
€977 EUR
$1,092 USD
View
Price last confirmed 37 days ago
Retailer 3
-
€1,290 EUR
$1,441 USD
View
Price last confirmed 40 days ago
Most Expensive
B+
Brilliant Earth
8941567Y · Oct 29
€1,826 EUR
$2,040 USD
View
3 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
€1,826 EUR