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Cushion|Lab Grown|IGI

1.51ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG836617524

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836617524

Diamond specifications and retailer prices

From €526 EUR
$590 USD
As of November 3, 2026
Save €1,649 EUR (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €2,175 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.51ct lab-grown cushion diamond

This 1.51ct 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 LG836617524 or 836617524. Listed at 17 retailers as of November 2, 2026, with prices from €526 to €2,175, a €1,649 spread on the same certified stone. Brilliant Earth lists it at €2,175. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617524
Dimensions8.56 × 5.78 × 3.84 mm
L/W Ratio1.48
Girdle conditionFaceted
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
8.56 mm5.78 mm1.51 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617524
Side View
Table 62.0%Crown 34.2°Girdle: MED-THKPavilion 41.4°Culet: NoneDepth 66.4%

Caratlytics Score

How it works →
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 3
Current: €2,175 EUR|Low: €391 EUR|High: €2,577 EUR|Avg: €1,143 EUR|-15.6%
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
Retailer 16
Retailer 17
Retailer 18
November 3, 2026
Retailer 6€391 EUR
Retailer 3€404 EUR
Retailer 16€526 EUR
Retailer 7€617 EUR
Retailer 5€626 EUR
Retailer 13€673 EUR
Retailer 2€702 EUR
Retailer 15€778 EUR
Retailer 17€906 EUR
Retailer 4€922 EUR
Retailer 12€981 EUR
Retailer 8€1,291 EUR
Retailer 14€1,525 EUR
Retailer 10€1,618 EUR
Retailer 11€1,790 EUR
Retailer 18€2,135 EUR
Retailer 9€2,145 EUR
Brilliant Earth€2,175 EUR

25 data points across 18 retailers

17 retailers€526 EUR to €2,175 EUR

Retailer 1
-
€391 EUR
$438 USD
Price last confirmed 9 days ago
A
Retailer 2
-
€526 EUR
$590 USD
View
A
Retailer 3
-
€617 EUR
$692 USD
View
A
Retailer 4
-
€626 EUR
$702 USD
View
A
Retailer 5
-
€673 EUR
ZAR 12,193 ZAR
View
A
Retailer 6
-
€702 EUR
£620 GBP
View
A
Retailer 7
-
€778 EUR
View
A
Retailer 8
-
€906 EUR
A$1,563 AUD
View
A
Retailer 9
-
€922 EUR
$1,034 USD
View
A
Retailer 10
-
€981 EUR
$1,100 USD
View
B+
Retailer 11
-
€1,291 EUR
$1,448 USD
View
B+
Retailer 12
-
€1,525 EUR
£1,347 GBP
View
B+
Retailer 13
-
€1,618 EUR
SGD 2,452 SGD
View
B+
Retailer 14
-
€1,790 EUR
$2,008 USD
View
Retailer 15
-
€2,135 EUR
$2,395 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
€2,145 EUR
$2,406 USD
View
Most Expensive
B+
Brilliant Earth
21738552A · Nov 2
€2,175 EUR
$2,440 USD
View
16 more retailers have this diamond
Prices start from €526 EURSave up to €1,649 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
1.51ct Cushion
€526 EUR