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Cushion|Lab Grown|IGI

1.75ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG563241289

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG563241289

Diamond specifications and retailer prices

From €1,249 EUR
$1,390 USD
As of October 29, 2026
3 retailers carry this diamond
Most expensive: €1,249 EUR at Brilliant Earth
View at Brilliant Earth

About this 1.75ct lab-grown cushion diamond

This 1.75ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG563241289 or 563241289. Listed at 3 retailers as of October 29, 2026. 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

1.75
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG563241289
Dimensions8.09 × 6.51 × 4.43 mm
L/W Ratio1.24
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
8.09 mm6.51 mm1.75 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG563241289
Side View
Table 62.0%Crown 32.2°Girdle: THN-STKPavilion 39.1°Culet: NoneDepth 68.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: €1,249 EUR|Low: €142 EUR|High: €1,851 EUR|Avg: €791 EUR|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 4, 2026
Retailer 6€214 EUR
Retailer 2€407 EUR
Retailer 9€428 EUR
Retailer 10€511 EUR
Retailer 8€554 EUR
Retailer 3€668 EUR
Retailer 5€798 EUR
Retailer 4€1,058 EUR
Retailer 11€1,087 EUR
Brilliant Earth€1,249 EUR
Retailer 7€1,833 EUR

9 data points across 11 retailers

3 retailers

Retailer 1
-
€407 EUR
$453 USD
Price last confirmed 25 days ago
Retailer 2
-
€1,058 EUR
£927 GBP
View
Price last confirmed 24 days ago
Most Expensive
B
Brilliant Earth
6700430Y · Oct 29
€1,249 EUR
$1,390 USD
View
2 more retailers have this diamond

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
1.75ct Cushion
€1,249 EUR