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1.90ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • IGI LG487196389

Shape and cutting style on the report: Round brilliant

Certificate IGI LG487196389

Diamond specifications and retailer prices

From $4,132 AUD
$2,903 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $4,132 AUD 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 1.9ct lab-grown round diamond

This 1.9ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG487196389 or 487196389. 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. 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

1.90
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487196389
Dimensions7.90 × 7.84 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
7.90 mm7.84 mm1.90 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487196389
Side View
Table 58.5%Crown 34.2°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 62.3%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 29
Current: $4,132 AUD|Low: $3,941 AUD|High: $6,704 AUD|Avg: $4,979 AUD|-38.4%
September 23, 2026
B2C Jewels$4,132 AUD

4 data points across 1 retailer

1 retailer

C
B2C Jewels
20038556 · Oct 29
$4,132 AUD
$2,903 USD
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C
1.90ct Round
$4,132 AUD