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Cushion|Lab Grown|IGI

3.05ct E SI2 Cushion Lab Grown Diamond

EX • E/SI2 • IGI LG485160989

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG485160989

Diamond specifications and retailer prices

From $5,814 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $5,814 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 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485160989 or 485160989. 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

3.05
Carat
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle30.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485160989
Dimensions8.37 × 7.66 mm
L/W Ratio1.09
Girdle conditionFaceted
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
8.37 mm7.66 mm3.05 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485160989
Side View
Table 62.0%Crown 37.2°Girdle: STK-VTKPavilion 30.9°Culet: NoneDepth 69.3%

Caratlytics Score

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C
Average
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Price History

Last verified: Oct 29
Current: $5,814 USD|Low: $5,588 USD|High: $9,066 USD|Avg: $6,855 USD|-35.9%
September 23, 2026
B2C Jewels$5,814 USD

4 data points across 1 retailer

1 retailer

C
B2C Jewels
20033797 · Oct 29
$5,814 USD
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C
3.05ct Cushion
$5,814 USD