Cushion|Lab Grown|IGI

4.07ct L VS1 Cushion Lab Grown Diamond

ID • L/VS1 • IGI LG843641428

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG843641428

Diamond specifications and retailer prices

From £1,568 GBP
As of November 6, 2026
Save £1,610 GBP (51%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,178 GBP at Cape Diamonds · As of November 3, 2026
View at Cape Diamonds

About this 4.07ct lab-grown cushion diamond

This 4.07ct lab-grown cushion sits in the three to five carat band, graded L colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843641428 or 843641428. Listed at 5 retailers as of November 3, 2026, with prices from £1,568 to £3,178, a £1,610 spread on the same certified stone. Cape Diamonds lists it at £3,178. 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

4.07
Carat
L
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843641428
Dimensions11.03 × 8.26 × 5.48 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa Faint Brown
Top View
11.03 mm8.26 mm4.07 ctL / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843641428
Side View
Table 49.0%Crown 35.9°Girdle: MED-THKPavilion 37.9°Culet: LargeDepth 66.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £3,178 GBP|Low: £1,483 GBP|High: £3,438 GBP|Avg: £2,151 GBP|-6.9%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 5£1,568 GBP
Retailer 4£1,614 GBP
Retailer 3£2,099 GBP
Retailer 2£2,643 GBP
Cape Diamonds£3,178 GBP

14 data points across 5 retailers

5 retailers£1,568 GBP to £3,178 GBP

B+
Cheapest Retailer
-
£1,568 GBP
B+
Retailer 2
-
£1,614 GBP
View
B+
Retailer 3
-
£2,099 GBP
View
C
Retailer 4
-
£2,643 GBP
View
Most Expensive
B
Cape Diamonds
cert_843641428 · Nov 3
£3,178 GBP
ZAR 68,713 ZAR
View
4 more retailers have this diamond
Prices start from £1,568 GBPSave up to £1,610 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.

B+
4.07ct Cushion
£1,568 GBP