Cushion|Lab Grown|IGI

4.10ct E VS2 Cushion Lab Grown Diamond

ID • E/VS2 • IGI LG818677544

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818677544

Diamond specifications and retailer prices

From £540 GBP
$724 USD
As of October 31, 2026
Save £1,823 GBP (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,776 GBP at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 4.1ct lab-grown cushion diamond

This 4.1ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818677544 or 818677544. Listed at 11 retailers as of October 26, 2026, with a 337% 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

4.10
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle29.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818677544
Dimensions11.84 × 7.91 × 5.08 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.84 mm7.91 mm4.10 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818677544
Side View
Table 65.0%Crown 39.8°Girdle: MED-VTKPavilion 29.8°Culet: NoneDepth 64.2%

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: £2,776 GBP|Low: £399 GBP|High: £2,806 GBP|Avg: £1,457 GBP|-1.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 3£540 GBP
Retailer 4£586 GBP
Retailer 5£694 GBP
Retailer 2£895 GBP
Retailer 6£915 GBP
Retailer 9£1,240 GBP
Retailer 11£1,740 GBP
Retailer 8£1,865 GBP
Retailer 10£1,911 GBP
Retailer 12£1,933 GBP
Retailer 7£2,363 GBP
Rare Carat£2,776 GBP

43 data points across 12 retailers

11 retailers£540 GBP to £2,363 GBP

A
Cheapest Retailer
-
£540 GBP
$724 USD
Final sale: no returns
A
Retailer 2
-
£694 GBP
$930 USD
View
A
Retailer 3
-
£895 GBP
View
B+
Retailer 4
-
£915 GBP
$1,226 USD
View
A
Retailer 5
-
£1,240 GBP
$1,662 USD
View
B+
Retailer 6
-
£1,740 GBP
View
B+
Retailer 7
-
£1,865 GBP
$2,499 USD
View
B+
Retailer 8
-
£1,911 GBP
$2,561 USD
View
B+
Retailer 9
-
£1,933 GBP
$2,590 USD
View
B+
Retailer 10
-
£2,363 GBP
View
Most Expensive
Rare Carat
MTR-1202130-001 · Oct 19
£2,776 GBP
$3,720 USD
View
Price last confirmed 12 days ago
10 more retailers have this diamond
Prices start from £540 GBPSave up to £1,823 GBP

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
4.10ct Cushion
£540 GBP