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Cushion|Lab Grown|IGI

1.56ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG538298330

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG538298330

Diamond specifications and retailer prices

From €191 EUR
$213 USD
As of October 30, 2026
Save €941 EUR (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,132 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG538298330 or 538298330. Listed at 13 retailers as of October 29, 2026, with prices from €191 to €1,132, a €941 spread on the same certified stone. Brilliant Earth lists it at €1,132. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle29.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538298330
Dimensions7.63 × 6.06 × 3.93 mm
L/W Ratio1.26
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
7.63 mm6.06 mm1.56 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG538298330
Side View
Table 58.5%Crown 36.2°Girdle: MED-THKPavilion 29.9°Culet: NoneDepth 64.9%

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: €1,132 EUR|Low: €191 EUR|High: €1,222 EUR|Avg: €517 EUR|-7.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 9€191 EUR
Retailer 7€213 EUR
Retailer 5€288 EUR
Retailer 3€351 EUR
Retailer 2€387 EUR
Retailer 10€426 EUR
Retailer 8€514 EUR
Retailer 6€538 EUR
Retailer 4€1,000 EUR
Brilliant Earth€1,132 EUR

44 data points across 10 retailers

13 retailers€191 EUR to €1,132 EUR

A
Cheapest Retailer
-
€191 EUR
$213 USD
Final sale: no returns
A
Retailer 2
-
€213 EUR
$237 USD
View
B+
Retailer 3
-
€288 EUR
$320 USD
View
A
Retailer 4
-
€351 EUR
View
A
Retailer 5
-
€387 EUR
£339 GBP
View
A
Retailer 6
-
€426 EUR
$474 USD
View
A
Retailer 7
-
€429 EUR
$477 USD
View
B+
Retailer 8
-
€514 EUR
$572 USD
View
B+
Retailer 9
-
€538 EUR
$599 USD
View
B+
Retailer 10
-
€732 EUR
$815 USD
View
B
Retailer 11
-
€1,000 EUR
£876 GBP
View
B
Retailer 12
-
€1,046 EUR
$1,165 USD
View
Most Expensive
B
Brilliant Earth
10789106A · Oct 29
€1,132 EUR
$1,260 USD
View
12 more retailers have this diamond
Prices start from €191 EURSave up to €941 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
€191 EUR