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Cushion|Lab Grown|IGI

4.05ct I VS2 Cushion Lab Grown Diamond

EX • I/VS2 • IGI LG842635370

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG842635370

Diamond specifications and retailer prices

From €1,341 EUR
$1,498 USD
As of October 31, 2026
Save €3,721 EUR (74%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €5,062 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 I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842635370 or 842635370. Listed at 9 retailers as of October 30, 2026, with prices from €1,341 to €5,062, a €3,721 spread on the same certified stone. Taylor and Hart lists it at €5,062. 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
I
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842635370
Dimensions11.76 × 8.08 × 5.10 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.76 mm8.08 mm4.05 ctI / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842635370
Side View
Table 54.0%Crown 38.7°Girdle: STK-THKPavilion 38.6°Culet: LargeDepth 63.1%

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 31
Current: €2,296 EUR|Low: €1,341 EUR|High: €5,062 EUR|Avg: €2,752 EUR|-10.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Taylor and Hart
October 31, 2026
Retailer 4€1,341 EUR
Retailer 6€1,593 EUR
Retailer 5€1,674 EUR
Retailer 7€2,059 EUR
Retailer 1€2,296 EUR
Retailer 2€2,909 EUR
Retailer 8€3,478 EUR
Retailer 3€4,133 EUR
Taylor and Hart€5,062 EUR

7 data points across 9 retailers

9 retailers€1,341 EUR to €5,062 EUR

A
Cheapest Retailer
-
€1,341 EUR
$1,498 USD
A
Retailer 2
-
€1,593 EUR
$1,780 USD
View
B+
Retailer 3
-
€1,674 EUR
$1,870 USD
View
Final sale: no returns
B+
Retailer 4
-
€2,059 EUR
$2,300 USD
View
B+
Retailer 5
-
€2,296 EUR
View
B
Retailer 6
-
€2,909 EUR
$3,250 USD
View
B
Retailer 7
-
€3,478 EUR
£3,060 GBP
View
B
Retailer 8
-
€4,133 EUR
£3,636 GBP
View
Most Expensive
B
Taylor and Hart
BV4NXBT · Oct 30
€5,062 EUR
$5,655 USD
View
8 more retailers have this diamond
Prices start from €1,341 EURSave up to €3,721 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
€1,341 EUR