Heart|Lab Grown|IGI

3.23ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG819661639

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG819661639

Diamond specifications and retailer prices

From £1,528 GBP

As of October 28, 2026

Save £2,451 GBP (62%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: £7,221 GBP at Brilliant Earth · As of October 28, 2026

View at Brilliant Earth

About this 3.23ct lab-grown heart diamond

This 3.23ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG819661639 or 819661639. Listed at 15 retailers as of October 27, 2026, with a 160% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.23

Carat

Colour

VVS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.3°

Pavilion angle39.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG819661639

Dimensions9.68 × 10.16 × 5.74 mm

L/W Ratio1.05

Girdle conditionFaceted

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 LG819661639

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28

Current: £7,221 GBP|Low: £1,022 GBP|High: £7,221 GBP|Avg: £2,845 GBP

Brilliant Earth

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

Retailer 16

October 28, 2026

Retailer 11£1,022 GBP

Retailer 16£1,189 GBP

Retailer 15£1,520 GBP

Retailer 2£1,528 GBP

Retailer 9£1,784 GBP

Retailer 10£1,915 GBP

Retailer 5£2,037 GBP

Retailer 6£2,414 GBP

Retailer 3£2,445 GBP

Retailer 7£3,141 GBP

Retailer 13£3,406 GBP

Retailer 14£3,712 GBP

Retailer 4£3,856 GBP

Retailer 12£3,979 GBP

Retailer 8£4,092 GBP

Brilliant Earth£7,221 GBP

22 data points across 16 retailers

15 retailers£1,528 GBP to £3,979 GBP

Retailer 1

£1,189 GBP

$1,595 USD

Price last confirmed 5 days ago

Retailer 2

£1,520 GBP

$2,040 USD

View

Price last confirmed 7 days ago

B+

Retailer 3

£1,528 GBP

View

B+

Retailer 4

£1,784 GBP

$2,394 USD

View

Retailer 5

£1,915 GBP

€2,447 EUR

View

Retailer 6

£2,037 GBP

$2,733 USD

View

Price last confirmed 7 days ago

Retailer 7

£2,414 GBP

A$4,984 AUD

View

Price last confirmed 11 days ago

Retailer 8

£2,445 GBP

ZAR 53,012 ZAR

View

Price last confirmed 8 days ago

Retailer 9

£3,141 GBP

$4,215 USD

View

Retailer 10

£3,406 GBP

View

Retailer 11

£3,712 GBP

$4,981 USD

View

Retailer 12

£3,856 GBP

$5,174 USD

View

Retailer 13

£3,979 GBP

SGD 7,215 SGD

View

Retailer 14

£4,092 GBP

A$8,448 AUD

View

Price last confirmed 25 days ago

Most Expensive

Brilliant Earth

20857467A · Oct 28

£7,221 GBP

$9,690 USD

View

Price under review

14 more retailers have this diamond

Prices start from £1,528 GBPSave up to £2,451 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.

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B+

3.23ct Heart

£1,528 GBP