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Cushion|Lab Grown|IGI

1.50ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG836616360

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836616360

Diamond specifications and retailer prices

From €401 EUR
£353 GBP
As of November 1, 2026
Save €1,765 EUR (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €2,166 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.5ct lab-grown cushion diamond

This 1.5ct 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 LG836616360 or 836616360. Listed at 17 retailers as of October 31, 2026, with prices from €401 to €2,166, a €1,765 spread on the same certified stone. Brilliant Earth lists it at €2,166. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836616360
Dimensions8.51 × 5.81 × 3.70 mm
L/W Ratio1.46
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
8.51 mm5.81 mm1.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836616360
Side View
Table 61.0%Crown 35°Girdle: STK-THKPavilion 32°Culet: NoneDepth 63.7%

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: Nov 1
Current: €2,166 EUR|Low: €401 EUR|High: €2,560 EUR|Avg: €1,192 EUR|-15.4%
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
November 1, 2026
Retailer 2€401 EUR
Retailer 17€591 EUR
Retailer 3€617 EUR
Retailer 5€626 EUR
Retailer 16€669 EUR
Retailer 10€694 EUR
Retailer 11€775 EUR
Retailer 15€904 EUR
Retailer 6€915 EUR
Retailer 13€966 EUR
Retailer 7€1,289 EUR
Retailer 12€1,361 EUR
Retailer 14€1,530 EUR
Retailer 9€1,614 EUR
Retailer 8€2,143 EUR
Retailer 4€2,144 EUR
Brilliant Earth€2,166 EUR

13 data points across 17 retailers

17 retailers€401 EUR to €2,166 EUR

A
Cheapest Retailer
-
€401 EUR
£353 GBP
A
Retailer 2
-
€591 EUR
$660 USD
View
A
Retailer 3
-
€617 EUR
$689 USD
View
A
Retailer 4
-
€626 EUR
$699 USD
View
A
Retailer 5
-
€669 EUR
ZAR 12,076 ZAR
View
A
Retailer 6
-
€694 EUR
£611 GBP
View
A
Retailer 7
-
€775 EUR
View
A
Retailer 8
-
€904 EUR
A$1,553 AUD
View
A
Retailer 9
-
€915 EUR
$1,022 USD
View
A
Retailer 10
-
€966 EUR
$1,079 USD
View
B+
Retailer 11
-
€1,289 EUR
$1,440 USD
View
B+
Retailer 12
-
€1,361 EUR
$1,520 USD
View
B+
Retailer 13
-
€1,530 EUR
£1,346 GBP
View
B+
Retailer 14
-
€1,614 EUR
SGD 2,436 SGD
View
B
Retailer 15
-
€2,143 EUR
$2,394 USD
View
Retailer 16
-
€2,144 EUR
$2,395 USD
View
Price last confirmed 10 days ago
Most Expensive
B+
Brilliant Earth
22192118A · Oct 31
€2,166 EUR
$2,420 USD
View
16 more retailers have this diamond
Prices start from €401 EURSave up to €1,765 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
1.50ct Cushion
€401 EUR