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Cushion|Lab Grown|IGI

1.56ct F IF Cushion Lab Grown Diamond

ID • F/IF • IGI LG629494063

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG629494063

Diamond specifications and retailer prices

From €304 EUR
$340 USD
As of November 1, 2026
Save €1,148 EUR (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,638 EUR at Rare Carat · As of October 21, 2026
View at Rare Carat

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG629494063 or 629494063. Listed at 16 retailers as of November 1, 2026, with a 377% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629494063
Dimensions6.53 × 6.53 × 4.48 mm
L/W Ratio1.00
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
6.53 mm6.53 mm1.56 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629494063
Side View
Table 67.0%Crown 34.7°Girdle: MED-VTKPavilion 39.8°Culet: NoneDepth 68.6%

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 1
Current: €1,638 EUR|Low: €304 EUR|High: €1,642 EUR|Avg: €867 EUR|-0.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 9€304 EUR
Retailer 2€356 EUR
Retailer 8€522 EUR
Retailer 14€524 EUR
Retailer 3€565 EUR
Retailer 16€579 EUR
Retailer 11€597 EUR
Retailer 10€617 EUR
Retailer 13€807 EUR
Retailer 15€957 EUR
Retailer 6€1,154 EUR
Retailer 4€1,330 EUR
Retailer 17€1,350 EUR
Retailer 7€1,363 EUR
Retailer 12€1,387 EUR
Retailer 5€1,452 EUR
Rare Carat€1,638 EUR

44 data points across 17 retailers

16 retailers€304 EUR to €1,452 EUR

A
Cheapest Retailer
-
€304 EUR
$340 USD
Final sale: no returns
A
Retailer 2
-
€356 EUR
£314 GBP
View
A
Retailer 3
-
€524 EUR
$585 USD
View
A
Retailer 4
-
€565 EUR
$631 USD
View
A
Retailer 5
-
€579 EUR
$647 USD
View
A
Retailer 6
-
€597 EUR
ZAR 10,773 ZAR
View
A
Retailer 7
-
€617 EUR
£542 GBP
View
A
Retailer 8
-
€807 EUR
A$1,387 AUD
View
A
Retailer 9
-
€957 EUR
$1,069 USD
View
A
Retailer 10
-
€1,154 EUR
$1,289 USD
View
B+
Retailer 11
-
€1,330 EUR
$1,486 USD
View
B+
Retailer 12
-
€1,350 EUR
£1,188 GBP
View
Retailer 13
-
€1,363 EUR
A$2,343 AUD
View
Price last confirmed 28 days ago
B+
Retailer 14
-
€1,387 EUR
£1,220 GBP
View
B+
Retailer 15
-
€1,452 EUR
$1,622 USD
View
Most Expensive
Rare Carat
SKD-59063 · Oct 21
€1,638 EUR
$1,830 USD
View
Price last confirmed 12 days ago
15 more retailers have this diamond
Prices start from €304 EURSave up to €1,148 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
€304 EUR