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Cushion|Lab Grown|IGI

1.67ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG522222348

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG522222348

Diamond specifications and retailer prices

From €201 EUR
$225 USD
As of October 30, 2026
Save €874 EUR (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,075 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.67ct lab-grown cushion diamond

This 1.67ct 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 LG522222348 or 522222348. Listed at 14 retailers as of October 30, 2026, with prices from €201 to €1,075, a €874 spread on the same certified stone. Reve Diamonds lists it at €1,075. 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

1.67
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle29.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522222348
Dimensions6.93 × 6.57 × 4.14 mm
L/W Ratio1.05
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
6.93 mm6.57 mm1.67 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522222348
Side View
Table 61.5%Crown 34.4°Girdle: THK-VTKPavilion 29.1°Culet: NoneDepth 63.0%

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: €542 EUR|Low: €201 EUR|High: €1,092 EUR|Avg: €519 EUR|+4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 2€201 EUR
Retailer 10€225 EUR
Retailer 8€303 EUR
Retailer 6€369 EUR
Retailer 5€413 EUR
Retailer 3€454 EUR
Retailer 4€482 EUR
Retailer 11€527 EUR
Retailer 1€542 EUR
Retailer 7€1,056 EUR
Retailer 9€1,065 EUR

43 data points across 11 retailers

14 retailers€201 EUR to €1,075 EUR

A
Cheapest Retailer
-
€201 EUR
$225 USD
Final sale: no returns
A
Retailer 2
-
€225 EUR
$251 USD
View
B+
Retailer 3
-
€303 EUR
$338 USD
View
A
Retailer 4
-
€369 EUR
View
A
Retailer 5
-
€413 EUR
£363 GBP
View
A
Retailer 6
-
€454 EUR
$507 USD
View
A
Retailer 7
-
€482 EUR
$538 USD
View
A
Retailer 8
-
€482 EUR
A$828 AUD
View
B+
Retailer 9
-
€527 EUR
$589 USD
View
A
Retailer 10
-
€542 EUR
$606 USD
View
B
Retailer 11
-
€770 EUR
$860 USD
View
B
Retailer 12
-
€1,056 EUR
£929 GBP
View
B
Retailer 13
-
€1,065 EUR
$1,190 USD
View
Most Expensive
B
Reve Diamonds
56E57FFEB · Oct 30
€1,075 EUR
$1,201 USD
View
13 more retailers have this diamond
Prices start from €201 EURSave up to €874 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
1.67ct Cushion
€201 EUR