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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 €392 EUR
$438 USD
As of October 25, 2026
Save €1,792 EUR (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,184 EUR at Brilliant Earth · As of October 31, 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 18 retailers as of October 25, 2026, with prices from €392 to €2,184, a €1,792 spread on the same certified stone. Brilliant Earth lists it at €2,184. 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
Color
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

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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 25
Current: €2,184 EUR|Low: €392 EUR|High: €2,587 EUR|Avg: €1,153 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
October 31, 2026
Retailer 6€392 EUR
Retailer 3€405 EUR
Retailer 12€528 EUR
Retailer 7€619 EUR
Retailer 5€628 EUR
Retailer 17€673 EUR
Retailer 11€705 EUR
Retailer 2€781 EUR
Retailer 16€909 EUR
Retailer 4€926 EUR
Retailer 13€972 EUR
Retailer 8€1,296 EUR
Retailer 14€1,369 EUR
Retailer 15€1,539 EUR
Retailer 10€1,624 EUR
Retailer 18€2,144 EUR
Retailer 9€2,154 EUR
Brilliant Earth€2,184 EUR

22 data points across 18 retailers

18 retailers€392 EUR to €2,184 EUR

A
Cheapest Retailer
-
€392 EUR
$438 USD
Retailer 2
-
€405 EUR
£357 GBP
View
Price last confirmed 15 days ago
A
Retailer 3
-
€528 EUR
$590 USD
View
A
Retailer 4
-
€619 EUR
$692 USD
View
A
Retailer 5
-
€628 EUR
$702 USD
View
A
Retailer 6
-
€673 EUR
ZAR 12,150 ZAR
View
A
Retailer 7
-
€705 EUR
£620 GBP
View
A
Retailer 8
-
€781 EUR
View
A
Retailer 9
-
€909 EUR
A$1,563 AUD
View
A
Retailer 10
-
€926 EUR
$1,034 USD
View
A
Retailer 11
-
€972 EUR
$1,086 USD
View
B+
Retailer 12
-
€1,296 EUR
$1,448 USD
View
B+
Retailer 13
-
€1,369 EUR
$1,529 USD
View
B+
Retailer 14
-
€1,539 EUR
£1,354 GBP
View
B+
Retailer 15
-
€1,624 EUR
SGD 2,452 SGD
View
Retailer 16
-
€2,144 EUR
$2,395 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
€2,154 EUR
$2,406 USD
View
Most Expensive
B+
Brilliant Earth
21738552A · Oct 31
€2,184 EUR
$2,440 USD
View
17 more retailers have this diamond
Prices start from €392 EURSave up to €1,792 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
€392 EUR