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 €630 EUR
$704 USD
As of October 30, 2026
Save €2,180 EUR (78%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €2,811 EUR at Do Amore Diamonds · As of October 31, 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 8 retailers as of October 30, 2026, with prices from €630 to €2,811, a €2,180 spread on the same certified stone. Do Amore Diamonds lists it at €2,811. 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
Color
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: Oct 30
Current: €2,811 EUR|Low: €296 EUR|High: €3,580 EUR|Avg: €1,230 EUR|-11.5%
Do Amore Diamonds
Retailer 2
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Retailer 16
October 31, 2026
Retailer 7€296 EUR
Retailer 4€318 EUR
Retailer 11€630 EUR
Retailer 2€640 EUR
Retailer 5€672 EUR
Retailer 8€784 EUR
Retailer 15€797 EUR
Retailer 16€820 EUR
Retailer 3€895 EUR
Retailer 9€1,038 EUR
Retailer 13€1,195 EUR
Retailer 6€1,620 EUR
Retailer 12€1,721 EUR
Retailer 14€1,772 EUR
Retailer 10€2,059 EUR
Do Amore Diamonds€2,811 EUR

18 data points across 16 retailers

8 retailers€630 EUR to €2,811 EUR

A
Cheapest Retailer
-
€630 EUR
$704 USD
A
Retailer 2
-
€640 EUR
$715 USD
View
B+
Retailer 3
-
€1,038 EUR
$1,160 USD
View
B+
Retailer 4
-
€1,195 EUR
$1,336 USD
View
B+
Retailer 5
-
€1,721 EUR
£1,514 GBP
View
Retailer 6
-
€1,772 EUR
$1,980 USD
View
Price last confirmed 11 days ago
B+
Retailer 7
-
€2,059 EUR
$2,300 USD
View
Most Expensive
B
Do Amore Diamonds
27-79D2587DD · Oct 31
€2,811 EUR
$3,140 USD
View
7 more retailers have this diamond
Prices start from €630 EURSave up to €2,180 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
€630 EUR