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Round|Lab Grown|IGI

1.40ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG490193409

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490193409

Diamond specifications and retailer prices

From $1,762 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: $1,762 USD at B2C Jewels
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 B2C Jewels

About this 1.4ct lab-grown round diamond

This 1.4ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG490193409 or 490193409. Listed at a single retailer as of October 30, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.40
Carat
D
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490193409
Dimensions7.18 × 7.12 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.18 mm7.12 mm1.40 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490193409
Side View
Table 56.5%Crown 34.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.4%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 30
Current: $1,762 USD|Low: $1,678 USD|High: $2,906 USD|Avg: $2,144 USD|-39.4%
September 23, 2026
B2C Jewels$1,762 USD

4 data points across 1 retailer

1 retailer

C
B2C Jewels
20033986 · Oct 30
$1,762 USD
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C
1.40ct Round
$1,762 USD