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Cushion|Lab Grown|IGI

4.34ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG815610195

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG815610195

Diamond specifications and retailer prices

From €2,376 EUR
£2,091 GBP
As of October 30, 2026
Save €9,788 EUR (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €13,937 EUR at Brilliant Earth · As of September 23, 2026
View at Brilliant Earth

About this 4.34ct lab-grown cushion diamond

This 4.34ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815610195 or 815610195. Listed at 21 retailers as of October 30, 2026, with a 412% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.34
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815610195
Dimensions10.96 × 8.87 × 5.86 mm
L/W Ratio1.24
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
10.96 mm8.87 mm4.34 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815610195
Side View
Table 62.0%Crown 34.7°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 66.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €12,164 EUR|Low: €2,369 EUR|High: €13,516 EUR|Avg: €6,323 EUR|-10.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 19
October 30, 2026
Retailer 2€2,376 EUR
Retailer 8€2,745 EUR
Retailer 5€2,965 EUR
Retailer 19€2,990 EUR
Retailer 18€3,729 EUR
Retailer 12€3,843 EUR
Retailer 9€4,427 EUR
Retailer 14€4,545 EUR
Retailer 4€4,911 EUR
Retailer 6€5,689 EUR
Retailer 13€6,055 EUR
Retailer 16€6,104 EUR
Retailer 17€6,360 EUR
Retailer 3€7,232 EUR
Retailer 15€7,657 EUR
Retailer 10€9,543 EUR
Retailer 7€9,916 EUR
Retailer 11€11,552 EUR
Brilliant Earth€12,164 EUR

29 data points across 19 retailers

21 retailers€2,376 EUR to €12,164 EUR

A
Cheapest Retailer
-
€2,376 EUR
£2,091 GBP
A
Retailer 2
-
€2,745 EUR
$3,067 USD
View
Final sale: no returns
A
Retailer 3
-
€2,965 EUR
$3,313 USD
View
A
Retailer 4
-
€2,990 EUR
$3,340 USD
View
A
Retailer 5
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€3,729 EUR
$4,166 USD
View
A
Retailer 6
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€3,843 EUR
£3,380 GBP
View
A
Retailer 7
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€4,427 EUR
$4,946 USD
View
A
Retailer 8
-
€4,545 EUR
View
A
Retailer 9
-
€4,911 EUR
£4,320 GBP
View
A
Retailer 10
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€5,689 EUR
$6,356 USD
View
A
Retailer 11
-
€6,055 EUR
ZAR 109,291 ZAR
View
Retailer 12
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€6,104 EUR
A$10,492 AUD
View
Price last confirmed 8 days ago
Retailer 13
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€6,360 EUR
$7,105 USD
View
Price last confirmed 11 days ago
A
Retailer 14
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€7,146 EUR
$7,983 USD
View
A
Retailer 15
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€7,232 EUR
$8,080 USD
View
A
Retailer 16
-
€7,657 EUR
£6,736 GBP
View
B+
Retailer 17
-
€9,543 EUR
SGD 14,407 SGD
View
B+
Retailer 18
-
€9,916 EUR
$11,078 USD
View
Retailer 19
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€11,552 EUR
A$19,855 AUD
View
Price last confirmed 21 days ago
B+
Retailer 20
-
€12,164 EUR
$13,590 USD
View
Most Expensive
Brilliant Earth
20710967A · Sep 23
€13,937 EUR
$15,570 USD
View
Price last confirmed 37 days ago
20 more retailers have this diamond
Prices start from €2,376 EURSave up to €9,788 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
4.34ct Cushion
€2,376 EUR