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Cushion|Lab Grown|IGI

5.21ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG846691021

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846691021

Diamond specifications and retailer prices

From £1,108 GBP
$1,484 USD
As of October 30, 2026
Save £3,087 GBP (74%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,194 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 5.21ct lab-grown cushion diamond

This 5.21ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG846691021 or 846691021. Listed at 16 retailers as of October 30, 2026, with prices from £1,108 to £4,194, a £3,087 spread on the same certified stone. With Clarity lists it at £4,194. 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

5.21
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846691021
Dimensions12.18 × 8.73 × 5.78 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.18 mm8.73 mm5.21 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846691021
Side View
Table 65.0%Crown 38.6°Girdle: STK-THKPavilion 35.8°Culet: NoneDepth 66.2%

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 30
Current: £1,108 GBP|Low: £1,108 GBP|High: £4,421 GBP|Avg: £2,542 GBP|-4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
With Clarity
October 30, 2026
Retailer 1£1,108 GBP
Retailer 2£1,202 GBP
Retailer 8£1,205 GBP
Retailer 5£1,450 GBP
Retailer 10£1,628 GBP
Retailer 4£1,661 GBP
Retailer 12£1,769 GBP
Retailer 13£2,345 GBP
Retailer 7£2,419 GBP
Retailer 6£2,809 GBP
Retailer 15£2,824 GBP
Retailer 14£3,111 GBP
Retailer 3£3,714 GBP
Retailer 9£3,842 GBP
Retailer 11£4,031 GBP
With Clarity£4,194 GBP

11 data points across 16 retailers

16 retailers£1,108 GBP to £4,194 GBP

A
Cheapest Retailer
-
£1,108 GBP
$1,484 USD
Final sale: no returns
A
Retailer 2
-
£1,202 GBP
$1,610 USD
View
A
Retailer 3
-
£1,205 GBP
View
A
Retailer 4
-
£1,450 GBP
$1,943 USD
View
A
Retailer 5
-
£1,628 GBP
View
A
Retailer 6
-
£1,661 GBP
$2,225 USD
View
A
Retailer 7
-
£1,769 GBP
€2,257 EUR
View
B+
Retailer 8
-
£2,345 GBP
ZAR 50,767 ZAR
View
Retailer 9
-
£2,419 GBP
A$4,987 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£2,809 GBP
View
B+
Retailer 11
-
£2,824 GBP
$3,784 USD
View
B+
Retailer 12
-
£3,111 GBP
$4,169 USD
View
B
Retailer 13
-
£3,714 GBP
View
B+
Retailer 14
-
£3,842 GBP
SGD 6,956 SGD
View
B+
Retailer 15
-
£4,031 GBP
$5,401 USD
View
Most Expensive
B
With Clarity
846691021 · Oct 30
£4,194 GBP
$5,620 USD
View
15 more retailers have this diamond
Prices start from £1,108 GBPSave up to £3,087 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
5.21ct Cushion
£1,108 GBP