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Cushion|Lab Grown|IGI

1.35ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG555289747

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG555289747

Diamond specifications and retailer prices

From €650 EUR
$729 USD
As of October 27, 2026
Save €723 EUR (53%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,373 EUR at Do Amore Diamonds · As of October 27, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG555289747 or 555289747. Listed at 5 retailers as of October 27, 2026, with prices from €650 to €1,373, a €723 spread on the same certified stone. Do Amore Diamonds lists it at €1,373. 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

1.35
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555289747
Dimensions7.47 × 5.96 × 4.05 mm
L/W Ratio1.25
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
7.47 mm5.96 mm1.35 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555289747
Side View
Table 61.0%Crown 34.4°Girdle: THN-STKPavilion 38.6°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: €1,373 EUR|Low: €169 EUR|High: €1,453 EUR|Avg: €625 EUR|-5.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 21, 2026
Retailer 6€169 EUR
Retailer 3€320 EUR
Retailer 9€352 EUR
Retailer 8€456 EUR
Retailer 7€524 EUR
Retailer 4€650 EUR
Retailer 5€740 EUR
Retailer 2€919 EUR
Do Amore Diamonds€1,373 EUR

10 data points across 9 retailers

5 retailers€650 EUR to €1,373 EUR

Retailer 1
-
€320 EUR
$359 USD
Price last confirmed 8 days ago
B+
Retailer 2
-
€650 EUR
$729 USD
View
Retailer 3
-
€740 EUR
$830 USD
View
Price last confirmed 7 days ago
Retailer 4
-
€919 EUR
£812 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
Do Amore Diamonds
27-CC8550EB4 · Oct 27
€1,373 EUR
$1,540 USD
View
4 more retailers have this diamond
Prices start from €650 EURSave up to €723 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.

B+
1.35ct Cushion
€650 EUR