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 €2,845 EUR
$3,179 USD
As of October 30, 2026
Save €7,429 EUR (72%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €10,274 EUR at Taylor and Hart · As of October 30, 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 19 retailers as of October 30, 2026, with prices from €2,845 to €10,274, a €7,429 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €2,845 EUR|Low: €2,845 EUR|High: €10,773 EUR|Avg: €6,053 EUR|-8.9%
Retailer 1
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
Taylor and Hart
October 30, 2026
Retailer 1€2,845 EUR
Retailer 6€3,048 EUR
Retailer 3€3,093 EUR
Retailer 9€3,094 EUR
Retailer 10€3,984 EUR
Retailer 4€4,432 EUR
Retailer 12€4,713 EUR
Retailer 16€5,088 EUR
Retailer 15€5,092 EUR
Retailer 11€6,276 EUR
Retailer 8€6,543 EUR
Retailer 7€6,640 EUR
Retailer 17€7,055 EUR
Retailer 13€7,514 EUR
Retailer 2€7,723 EUR
Retailer 14€8,208 EUR
Retailer 5€8,790 EUR
Taylor and Hart€10,274 EUR

33 data points across 18 retailers

19 retailers€2,845 EUR to €10,274 EUR

A
Cheapest Retailer
-
€2,845 EUR
$3,179 USD
Final sale: no returns
A
Retailer 2
-
€3,048 EUR
$3,405 USD
View
A
Retailer 3
-
€3,093 EUR
$3,455 USD
View
Retailer 4
-
€3,094 EUR
$3,457 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
€3,984 EUR
£3,504 GBP
View
Retailer 6
-
€4,288 EUR
£3,772 GBP
View
Price last confirmed 18 days ago
A
Retailer 7
-
€4,432 EUR
$4,952 USD
View
A
Retailer 8
-
€4,713 EUR
View
A
Retailer 9
-
€5,088 EUR
£4,476 GBP
View
A
Retailer 10
-
€5,092 EUR
$5,689 USD
View
A
Retailer 11
-
€6,276 EUR
ZAR 113,279 ZAR
View
Retailer 12
-
€6,543 EUR
$7,310 USD
View
Price last confirmed 11 days ago
Retailer 13
-
€6,640 EUR
A$11,413 AUD
View
Price last confirmed 8 days ago
A
Retailer 14
-
€7,055 EUR
$7,882 USD
View
A
Retailer 15
-
€7,514 EUR
£6,610 GBP
View
B+
Retailer 16
-
€7,723 EUR
$8,629 USD
View
B+
Retailer 17
-
€8,208 EUR
$9,170 USD
View
B+
Retailer 18
-
€8,790 EUR
$9,820 USD
View
Most Expensive
B+
Taylor and Hart
7VGQJQS · Oct 30
€10,274 EUR
$11,478 USD
View
18 more retailers have this diamond
Prices start from €2,845 EURSave up to €7,429 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
€2,845 EUR