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Round|Lab Grown|IGI

3.40ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG685540864

Shape and cutting style on the report: Round brilliant

Certificate IGI LG685540864

Diamond specifications and retailer prices

From $4,107 CAD
$2,940 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $4,107 CAD 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 3.4ct lab-grown round diamond

This 3.4ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG685540864 or 685540864. 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. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.40
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685540864
Dimensions9.69 × 9.62 × 5.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.69 mm9.62 mm3.40 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685540864
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $4,107 CAD|Low: $3,310 CAD|High: $4,107 CAD|Avg: $3,753 CAD
Brilliant Earth
Retailer 2
December 30, 2025
Retailer 2$3,310 CAD
Brilliant Earth$4,107 CAD

5 data points across 2 retailers

1 retailer

B
Brilliant Earth
13259260A · Oct 29
$4,107 CAD
$2,940 USD
View

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B
3.40ct Round
$4,107 CAD