Cushion|Lab Grown|IGI

1.70ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG750524534

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG750524534

Diamond specifications and retailer prices

From €417 EUR
$466 USD
As of October 30, 2026
Save €2,474 EUR (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €2,891 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.7ct lab-grown cushion diamond

This 1.7ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG750524534 or 750524534. Listed at 10 retailers as of October 30, 2026, with prices from €417 to €2,891, a €2,474 spread on the same certified stone. Brilliant Earth lists it at €2,891. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750524534
Dimensions8.67 × 5.81 × 3.97 mm
L/W Ratio1.49
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
8.67 mm5.81 mm1.70 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750524534
Side View
Table 57.0%Crown 34.5°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 68.3%

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: €2,891 EUR|Low: €417 EUR|High: €4,091 EUR|Avg: €1,555 EUR|-29.3%
Brilliant Earth
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
November 1, 2026
Retailer 15€417 EUR
Retailer 13€624 EUR
Retailer 12€626 EUR
Retailer 9€627 EUR
Retailer 8€998 EUR
Retailer 4€1,015 EUR
Retailer 11€1,030 EUR
Retailer 10€1,177 EUR
Retailer 7€1,505 EUR
Retailer 2€1,679 EUR
Retailer 5€1,842 EUR
Retailer 3€1,886 EUR
Retailer 6€2,161 EUR
Retailer 14€2,793 EUR
Brilliant Earth€2,891 EUR

22 data points across 15 retailers

10 retailers€417 EUR to €2,891 EUR

A
Cheapest Retailer
-
€417 EUR
$466 USD
Final sale: no returns
A
Retailer 2
-
€624 EUR
$697 USD
View
A
Retailer 3
-
€626 EUR
$699 USD
View
A
Retailer 4
-
€627 EUR
$700 USD
View
A
Retailer 5
-
€998 EUR
A$1,715 AUD
View
A
Retailer 6
-
€1,030 EUR
$1,151 USD
View
A
Retailer 7
-
€1,177 EUR
$1,315 USD
View
B+
Retailer 8
-
€1,679 EUR
£1,477 GBP
View
B
Retailer 9
-
€2,793 EUR
$3,120 USD
View
Most Expensive
B
Brilliant Earth
21406205Y · Oct 31
€2,891 EUR
$3,230 USD
View
9 more retailers have this diamond
Prices start from €417 EURSave up to €2,474 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
1.70ct Cushion
€417 EUR