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Cushion|Lab Grown|IGI

4.05ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG760519436

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG760519436

Diamond specifications and retailer prices

From €3,048 EUR
$3,405 USD
As of October 30, 2026
Save €7,226 EUR (70%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €10,274 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.05ct lab-grown cushion diamond

This 4.05ct 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 LG760519436 or 760519436. Listed at 20 retailers as of October 30, 2026, with prices from €3,048 to €10,274, a €7,226 spread on the same certified stone. Taylor and Hart lists it at €10,274. 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

4.05
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG760519436
Dimensions9.25 × 9.25 × 6.18 mm
L/W Ratio1.00
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
9.25 mm9.25 mm4.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG760519436
Side View
Table 62.0%Crown 37.1°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 66.8%

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: Oct 30
Current: €3,327 EUR|Low: €2,845 EUR|High: €10,773 EUR|Avg: €6,027 EUR|+6.5%
Retailer 1
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Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
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Retailer 16
Retailer 17
Retailer 18
Taylor and Hart
October 31, 2026
Retailer 7€3,048 EUR
Retailer 4€3,093 EUR
Retailer 10€3,094 EUR
Retailer 1€3,327 EUR
Retailer 13€3,816 EUR
Retailer 12€3,984 EUR
Retailer 5€4,432 EUR
Retailer 11€4,679 EUR
Retailer 18€5,088 EUR
Retailer 17€5,092 EUR
Retailer 14€6,276 EUR
Retailer 9€6,543 EUR
Retailer 8€6,640 EUR
Retailer 2€7,055 EUR
Retailer 15€7,514 EUR
Retailer 3€7,723 EUR
Retailer 16€8,208 EUR
Retailer 6€8,790 EUR
Taylor and Hart€10,274 EUR

33 data points across 19 retailers

20 retailers€3,048 EUR to €10,274 EUR

A
Cheapest Retailer
-
€3,048 EUR
$3,405 USD
A
Retailer 2
-
€3,093 EUR
$3,455 USD
View
Retailer 3
-
€3,094 EUR
$3,457 USD
View
Price last confirmed 21 days ago
A
Retailer 4
-
€3,327 EUR
$3,717 USD
View
Final sale: no returns
A
Retailer 5
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€3,816 EUR
$4,263 USD
View
A
Retailer 6
-
€3,984 EUR
£3,504 GBP
View
Retailer 7
-
€4,288 EUR
£3,772 GBP
View
Price last confirmed 20 days ago
A
Retailer 8
-
€4,432 EUR
$4,952 USD
View
A
Retailer 9
-
€4,679 EUR
View
A
Retailer 10
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€5,088 EUR
£4,476 GBP
View
A
Retailer 11
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€5,092 EUR
$5,689 USD
View
A
Retailer 12
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€6,276 EUR
ZAR 113,279 ZAR
View
Retailer 13
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€6,543 EUR
$7,310 USD
View
Price last confirmed 13 days ago
Retailer 14
-
€6,640 EUR
A$11,413 AUD
View
Price last confirmed 9 days ago
A
Retailer 15
-
€7,055 EUR
$7,882 USD
View
A
Retailer 16
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€7,514 EUR
£6,610 GBP
View
B+
Retailer 17
-
€7,723 EUR
$8,629 USD
View
B+
Retailer 18
-
€8,208 EUR
$9,170 USD
View
B+
Retailer 19
-
€8,790 EUR
$9,820 USD
View
Most Expensive
B+
Taylor and Hart
7VGQJQS · Oct 31
€10,274 EUR
$11,478 USD
View
19 more retailers have this diamond
Prices start from €3,048 EURSave up to €7,226 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
4.05ct Cushion
€3,048 EUR