Heart|Lab Grown|IGI

3.21ct E VS2 Heart Lab Grown Diamond

EX • E/VS2 • IGI LG803633448

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG803633448

Diamond specifications and retailer prices

From £396 GBP

$531 USD

As of October 24, 2026

Save £2,313 GBP (85%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: £2,709 GBP at Brilliant Earth · As of October 30, 2026

View at Brilliant Earth

About this 3.21ct lab-grown heart diamond

This 3.21ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG803633448 or 803633448. Listed at 19 retailers as of October 24, 2026, with prices from £396 to £2,709, a £2,313 spread on the same certified stone. Brilliant Earth lists it at £2,709. 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

Colour

VS2

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37°

Pavilion angle38.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG803633448

Dimensions8.70 × 10.31 × 6.03 mm

L/W Ratio1.19

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG803633448

Side View

Caratlytics Score

How it works →

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 24

Current: £2,709 GBP|Low: £340 GBP|High: £4,172 GBP|Avg: £1,077 GBP|-35.1%

Brilliant Earth

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October 31, 2026

Retailer 3£354 GBP

Retailer 9£396 GBP

Retailer 19£396 GBP

Retailer 4£438 GBP

Retailer 18£478 GBP

Retailer 15£526 GBP

Retailer 14£545 GBP

Retailer 11£664 GBP

Retailer 6£684 GBP

Retailer 16£723 GBP

Retailer 13£964 GBP

Retailer 10£996 GBP

Retailer 5£1,021 GBP

Retailer 12£1,389 GBP

Retailer 20£1,410 GBP

Retailer 17£1,613 GBP

Retailer 8£1,640 GBP

Retailer 7£1,740 GBP

Retailer 2£1,889 GBP

Brilliant Earth£2,709 GBP

40 data points across 20 retailers

19 retailers£396 GBP to £2,709 GBP

Retailer 1

£354 GBP

$474 USD

Price last confirmed 7 days ago

Retailer 2

£396 GBP

$531 USD

View

Retailer 3

£438 GBP

$587 USD

View

Retailer 4

£478 GBP

HK$5,000 HKD

View

Retailer 5

£526 GBP

View

Retailer 6

£545 GBP

$730 USD

View

Retailer 7

£664 GBP

$890 USD

View

B+

Retailer 8

£684 GBP

$917 USD

View

Retailer 9

£723 GBP

View

Retailer 10

£964 GBP

A$1,988 AUD

View

B+

Retailer 11

£996 GBP

$1,335 USD

View

B+

Retailer 12

£1,021 GBP

$1,368 USD

View

B+

Retailer 13

£1,389 GBP

SGD 2,515 SGD

View

B+

Retailer 14

£1,410 GBP

$1,889 USD

View

B+

Retailer 15

£1,613 GBP

View

Retailer 16

£1,640 GBP

$2,198 USD

View

Retailer 17

£1,740 GBP

A$3,586 AUD

View

Price last confirmed 22 days ago

Retailer 18

£1,889 GBP

$2,531 USD

View

Most Expensive

Brilliant Earth

19843823A · Oct 30

£2,709 GBP

$3,630 USD

View

18 more retailers have this diamond

Prices start from £396 GBPSave up to £2,313 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.

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3.21ct Heart

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