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Cushion|Lab Grown|IGI

1.56ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG620486040

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG620486040

Diamond specifications and retailer prices

From €940 EUR
£830 GBP
As of October 26, 2026
Save €701 EUR (43%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €1,641 EUR at Do Amore Diamonds · As of October 27, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG620486040 or 620486040. Listed at 4 retailers as of October 26, 2026, with prices from €940 to €1,641, a €701 spread on the same certified stone. Do Amore Diamonds lists it at €1,641. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620486040
Dimensions8.52 × 5.90 × 3.92 mm
L/W Ratio1.44
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
8.52 mm5.90 mm1.56 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620486040
Side View
Table 58.0%Crown 35.2°Girdle: THN-STKPavilion 34.2°Culet: NoneDepth 66.4%

Caratlytics Score

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

Price History

Last verified: Oct 26
Current: €1,641 EUR|Low: €200 EUR|High: €1,712 EUR|Avg: €719 EUR|-4.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 25, 2026
Retailer 6€200 EUR
Retailer 5€370 EUR
Retailer 10€412 EUR
Retailer 11€497 EUR
Retailer 3€585 EUR
Retailer 7€588 EUR
Retailer 8€701 EUR
Retailer 4€736 EUR
Retailer 2€940 EUR
Retailer 9€1,141 EUR
Do Amore Diamonds€1,641 EUR

14 data points across 11 retailers

4 retailers€940 EUR to €1,641 EUR

Retailer 1
-
€370 EUR
$415 USD
Price last confirmed 7 days ago
Retailer 2
-
€736 EUR
$825 USD
View
Price last confirmed 12 days ago
B+
Retailer 3
-
€940 EUR
£830 GBP
View
Most Expensive
B
Do Amore Diamonds
27-EB8D916EC · Oct 27
€1,641 EUR
$1,840 USD
View
3 more retailers have this diamond
Prices start from €940 EURSave up to €701 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+
1.56ct Cushion
€940 EUR