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Cushion|Lab Grown|IGI

4.60ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG846640553

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846640553

Diamond specifications and retailer prices

From £1,072 GBP
$1,436 USD
As of October 31, 2026
Save £3,451 GBP (76%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,523 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.6ct lab-grown cushion diamond

This 4.6ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846640553 or 846640553. Listed at 8 retailers as of October 30, 2026, with prices from £1,072 to £4,523, a £3,451 spread on the same certified stone. Brilliant Earth lists it at £4,523. 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

4.60
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846640553
Dimensions11.94 × 8.46 × 5.81 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.94 mm8.46 mm4.60 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846640553
Side View
Table 61.0%Crown 35.2°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 68.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £4,523 GBP|Low: £1,072 GBP|High: £7,635 GBP|Avg: £2,628 GBP|-40.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5£1,072 GBP
Retailer 3£1,168 GBP
Retailer 6£1,287 GBP
Retailer 7£1,471 GBP
Retailer 4£1,639 GBP
Retailer 2£3,004 GBP
Retailer 8£4,254 GBP
Brilliant Earth£4,523 GBP

5 data points across 8 retailers

8 retailers£1,072 GBP to £4,523 GBP

A
Cheapest Retailer
-
£1,072 GBP
$1,436 USD
Final sale: no returns
A
Retailer 2
-
£1,168 GBP
$1,565 USD
View
A
Retailer 3
-
£1,287 GBP
$1,724 USD
View
A
Retailer 4
-
£1,471 GBP
HK$15,400 HKD
View
A
Retailer 5
-
£1,475 GBP
$1,976 USD
View
B
Retailer 6
-
£3,004 GBP
A$6,193 AUD
View
B
Retailer 7
-
£4,254 GBP
SGD 7,702 SGD
View
Most Expensive
B
Brilliant Earth
22252939Y · Oct 30
£4,523 GBP
$6,060 USD
View
7 more retailers have this diamond
Prices start from £1,072 GBPSave up to £3,451 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
4.60ct Cushion
£1,072 GBP