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Cushion|Lab Grown|IGI

1.35ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG815697990

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

Certificate IGI LG815697990

Diamond specifications and retailer prices

From €364 EUR
As of November 4, 2026
Save €2,433 EUR (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €2,798 EUR at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.35ct lab-grown cushion diamond

This 1.35ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815697990 or 815697990. Listed at 11 retailers as of November 4, 2026, with prices from €364 to €2,798, a €2,433 spread on the same certified stone. Do Amore Diamonds lists it at €2,798. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.35
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815697990
Dimensions6.37 × 6.30 × 4.03 mm
L/W Ratio1.01
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
6.37 mm6.30 mm1.35 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815697990
Side View
Table 57.0%Crown 34.2°Girdle: STK-THKPavilion 35.7°Culet: NoneDepth 64.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €2,798 EUR|Low: €295 EUR|High: €3,564 EUR|Avg: €1,203 EUR|-11.5%
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
November 5, 2026
Retailer 9€295 EUR
Retailer 11€364 EUR
Retailer 2€497 EUR
Retailer 12€526 EUR
Retailer 14€628 EUR
Retailer 13€668 EUR
Retailer 7€669 EUR
Retailer 4€793 EUR
Retailer 5€815 EUR
Retailer 6€891 EUR
Retailer 15€1,044 EUR
Retailer 17€1,189 EUR
Retailer 8€1,612 EUR
Retailer 10€1,682 EUR
Retailer 3€1,764 EUR
Retailer 16€2,049 EUR
Do Amore Diamonds€2,798 EUR

22 data points across 17 retailers

11 retailers€364 EUR to €2,798 EUR

A
Cheapest Retailer
-
€364 EUR
Final sale: no returns
A
Retailer 2
-
€497 EUR
View
A
Retailer 3
-
€526 EUR
View
A
Retailer 4
-
€628 EUR
View
A
Retailer 5
-
€668 EUR
View
B+
Retailer 6
-
€1,044 EUR
View
B+
Retailer 7
-
€1,189 EUR
View
B+
Retailer 8
-
€1,682 EUR
View
B
Retailer 9
-
€1,764 EUR
View
B
Retailer 10
-
€2,049 EUR
View
Most Expensive
B
Do Amore Diamonds
27-79D2587DD · Nov 4
€2,798 EUR
$3,140 USD
View
10 more retailers have this diamond
Prices start from €364 EURSave up to €2,433 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
1.35ct Cushion
€364 EUR