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Cushion|Lab Grown|IGI

1.56ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG488122888

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG488122888

Diamond specifications and retailer prices

From €347 EUR
$388 USD
As of October 30, 2026
Save €2,410 EUR (87%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €2,757 EUR at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.56ct lab-grown cushion diamond

This 1.56ct 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 LG488122888 or 488122888. Listed at 5 retailers as of October 29, 2026, with prices from €347 to €2,757, a €2,410 spread on the same certified stone. Do Amore Diamonds lists it at €2,757. 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

1.56
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488122888
Dimensions7.19 × 6.48 × 4.30 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
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
7.19 mm6.48 mm1.56 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488122888
Side View
Table 63.0%Crown 33°Girdle: THN-STKPavilion 39.2°Culet: NoneDepth 66.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €2,757 EUR|Low: €248 EUR|High: €2,757 EUR|Avg: €1,056 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 4€347 EUR
Retailer 5€388 EUR
Retailer 3€619 EUR
Retailer 6€747 EUR
Retailer 7€789 EUR
Retailer 8€1,148 EUR
Retailer 2€1,668 EUR
Do Amore Diamonds€2,757 EUR

10 data points across 8 retailers

5 retailers€347 EUR to €2,757 EUR

A
Cheapest Retailer
-
€347 EUR
$388 USD
Final sale: no returns
A
Retailer 2
-
€388 EUR
$434 USD
View
B+
Retailer 3
-
€619 EUR
$691 USD
View
B
Retailer 4
-
€1,668 EUR
£1,467 GBP
View
Most Expensive
B
Do Amore Diamonds
27-696BED09D · Oct 29
€2,757 EUR
$3,080 USD
View
4 more retailers have this diamond
Prices start from €347 EURSave up to €2,410 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
1.56ct Cushion
€347 EUR