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Cushion|Lab Grown|IGI

1.58ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG532249567

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG532249567

Diamond specifications and retailer prices

From €193 EUR
$216 USD
As of October 30, 2026
Save €855 EUR (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,048 EUR at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.58ct lab-grown cushion diamond

This 1.58ct 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 LG532249567 or 532249567. Listed at 13 retailers as of October 30, 2026, with prices from €193 to €1,048, a €855 spread on the same certified stone. Reve Diamonds lists it at €1,048. 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

1.58
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG532249567
Dimensions6.44 × 6.43 × 4.37 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
6.44 mm6.43 mm1.58 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG532249567
Side View
Table 62.0%Crown 37.5°Girdle: MED-THKPavilion 33.3°Culet: NoneDepth 68.0%

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: €1,001 EUR|Low: €193 EUR|High: €1,226 EUR|Avg: €515 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 10€193 EUR
Retailer 8€214 EUR
Retailer 7€288 EUR
Retailer 4€352 EUR
Retailer 3€390 EUR
Retailer 2€429 EUR
Retailer 5€514 EUR
Retailer 9€515 EUR
Retailer 1€1,001 EUR
Retailer 6€1,038 EUR

45 data points across 10 retailers

13 retailers€193 EUR to €1,048 EUR

A
Cheapest Retailer
-
€193 EUR
$216 USD
Final sale: no returns
Retailer 2
-
€214 EUR
$239 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
€288 EUR
$322 USD
View
A
Retailer 4
-
€352 EUR
View
A
Retailer 5
-
€390 EUR
£343 GBP
View
A
Retailer 6
-
€429 EUR
$480 USD
View
A
Retailer 7
-
€436 EUR
$487 USD
View
A
Retailer 8
-
€514 EUR
$574 USD
View
B+
Retailer 9
-
€515 EUR
$575 USD
View
B
Retailer 10
-
€737 EUR
$823 USD
View
B
Retailer 11
-
€1,001 EUR
£881 GBP
View
B
Retailer 12
-
€1,038 EUR
$1,160 USD
View
Most Expensive
B
Reve Diamonds
FC14F655A · Nov 1
€1,048 EUR
$1,171 USD
View
12 more retailers have this diamond
Prices start from €193 EURSave up to €855 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
1.58ct Cushion
€193 EUR