Cushion|Lab Grown|IGI

5.05ct I SI1 Cushion Lab Grown Diamond

EX • I/SI1 • IGI LG559281453

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG559281453

Diamond specifications and retailer prices

From €2,498 EUR
$2,791 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: €2,498 EUR 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 5.05ct lab-grown cushion diamond

This 5.05ct lab-grown cushion sits in the over five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG559281453 or 559281453. Listed at a single retailer as of November 1, 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

5.05
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559281453
Dimensions9.70 × 9.69 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
9.70 mm9.69 mm5.05 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559281453
Side View
Table 62.0%Crown 34.4°Girdle: STK-VTKPavilion 31.5°Culet: NoneDepth 61.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: €2,498 EUR|Low: €2,395 EUR|High: €3,974 EUR|Avg: €2,979 EUR|-37.1%
September 23, 2026
B2C Jewels€2,498 EUR

4 data points across 1 retailer

1 retailer

B
B2C Jewels
21249253 · Nov 1
€2,498 EUR
$2,791 USD
View

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B
5.05ct Cushion
€2,498 EUR