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Cushion|Lab Grown|IGI

1.39ct I SI1 Cushion Lab Grown Diamond

ID • I/SI1 • IGI LG528234813

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG528234813

Diamond specifications and retailer prices

From €402 EUR
$449 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: €402 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 1.39ct lab-grown cushion diamond

This 1.39ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG528234813 or 528234813. 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

1.39
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528234813
Dimensions6.32 × 6.32 × 4.41 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
6.32 mm6.32 mm1.39 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528234813
Side View
Table 61.0%Crown 42.1°Girdle: STK-VTKPavilion 40.2°Culet: NoneDepth 69.8%

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: €402 EUR|Low: €144 EUR|High: €1,540 EUR|Avg: €639 EUR|+2.0%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 23, 2026
Retailer 3€163 EUR
Retailer 8€187 EUR
Retailer 5€370 EUR
B2C Jewels€402 EUR
Retailer 7€560 EUR
Retailer 2€705 EUR
Retailer 4€876 EUR
Retailer 6€1,540 EUR

40 data points across 8 retailers

1 retailer

B
B2C Jewels
20801759 · Nov 1
€402 EUR
$449 USD
View

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
1.39ct Cushion
€402 EUR