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Cushion|Lab Grown|IGI

1.34ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG786601792

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

Certificate IGI LG786601792

Diamond specifications and retailer prices

From €209 EUR
As of November 6, 2026
Save €811 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,019 EUR at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.34ct lab-grown cushion diamond

This 1.34ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG786601792 or 786601792. Listed at 11 retailers as of November 6, 2026, with prices from €209 to €1,019, a €811 spread on the same certified stone. Reve Diamonds lists it at €1,019. 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

1.34
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786601792
Dimensions6.42 × 6.41 × 4.26 mm
L/W Ratio1.00
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
6.42 mm6.41 mm1.34 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786601792
Side View
Table 63.0%Crown 37.1°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 66.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: €362 EUR|Low: €195 EUR|High: €1,182 EUR|Avg: €589 EUR|+7.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
November 7, 2026
Retailer 9€209 EUR
Retailer 3€340 EUR
Retailer 10€357 EUR
Retailer 1€362 EUR
Retailer 8€441 EUR
Retailer 6€530 EUR
Retailer 7€569 EUR
Retailer 2€700 EUR
Retailer 4€887 EUR
Retailer 5€945 EUR
Reve Diamonds€1,019 EUR

45 data points across 11 retailers

11 retailers€209 EUR to €1,019 EUR

A
Cheapest Retailer
-
€209 EUR
Final sale: no returns
A
Retailer 2
-
€340 EUR
View
B+
Retailer 3
-
€357 EUR
View
A
Retailer 4
-
€362 EUR
View
A
Retailer 5
-
€441 EUR
View
B+
Retailer 6
-
€530 EUR
View
B+
Retailer 7
-
€569 EUR
View
B+
Retailer 8
-
€700 EUR
View
B
Retailer 9
-
€887 EUR
View
B
Retailer 10
-
€945 EUR
View
Most Expensive
B
Reve Diamonds
2FD766B8B · Nov 6
€1,019 EUR
$1,138 USD
View
10 more retailers have this diamond
Prices start from €209 EURSave up to €811 EUR

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.

A
1.34ct Cushion
€209 EUR