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Cushion|Lab Grown|IGI

3.21ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG805618461

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG805618461

Diamond specifications and retailer prices

From £4,100 GBP
$5,460 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: £4,100 GBP at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 3.21ct lab-grown cushion diamond

This 3.21ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG805618461 or 805618461. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.21
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805618461
Dimensions10.42 × 7.74 × 5.15 mm
L/W Ratio1.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.42 mm7.74 mm3.21 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805618461
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 66.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £4,100 GBP|Low: £429 GBP|High: £5,657 GBP|Avg: £2,195 GBP
Brilliant Earth
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September 2, 2026
Retailer 11£429 GBP
Retailer 8£770 GBP
Retailer 4£798 GBP
Retailer 2£853 GBP
Retailer 10£952 GBP
Retailer 3£1,069 GBP
Retailer 15£1,783 GBP
Retailer 13£1,934 GBP
Retailer 12£2,065 GBP
Retailer 14£2,151 GBP
Retailer 9£2,340 GBP
Retailer 7£2,904 GBP
Retailer 5£3,022 GBP
Brilliant Earth£4,100 GBP
Retailer 6£5,657 GBP

21 data points across 15 retailers

1 retailer

B
Brilliant Earth
20188297A · Oct 29
£4,100 GBP
$5,460 USD
View

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B
3.21ct Cushion
£4,100 GBP