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Cushion|Lab Grown|IGI

4.57ct L VS1 Cushion Lab Grown Diamond

ID • L/VS1 • IGI LG843641759

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843641759

Diamond specifications and retailer prices

From £1,750 GBP
As of November 6, 2026
Save £1,812 GBP (51%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,562 GBP at Cape Diamonds · As of November 3, 2026
View at Cape Diamonds

About this 4.57ct lab-grown cushion diamond

This 4.57ct 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 LG843641759 or 843641759. Listed at 6 retailers as of November 3, 2026, with prices from £1,750 to £3,562, a £1,812 spread on the same certified stone. Cape Diamonds lists it at £3,562. 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

4.57
Carat
L
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843641759
Dimensions12.44 × 8.69 × 5.48 mm
L/W Ratio1.43
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
12.44 mm8.69 mm4.57 ctL / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843641759
Side View
Table 50.0%Crown 37.3°Girdle: MED-STKPavilion 38.5°Culet: LargeDepth 63.1%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: £3,562 GBP|Low: £1,644 GBP|High: £3,854 GBP|Avg: £2,329 GBP|-6.9%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6£1,750 GBP
Retailer 5£1,793 GBP
Retailer 4£1,874 GBP
Retailer 3£2,358 GBP
Retailer 2£2,613 GBP
Cape Diamonds£3,562 GBP

14 data points across 6 retailers

6 retailers£1,750 GBP to £3,562 GBP

B+
Cheapest Retailer
-
£1,750 GBP
B+
Retailer 2
-
£1,793 GBP
View
B+
Retailer 3
-
£1,874 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£2,358 GBP
View
B
Retailer 5
-
£2,613 GBP
View
Most Expensive
B
Cape Diamonds
cert_843641759 · Nov 3
£3,562 GBP
ZAR 77,016 ZAR
View
5 more retailers have this diamond
Prices start from £1,750 GBPSave up to £1,812 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+
4.57ct Cushion
£1,750 GBP