Heart|Lab Grown|IGI

12.23ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG629419894

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG629419894

Diamond specifications and retailer prices

From $8,354 AUD

£4,621 GBP

As of October 30, 2026

Save $27,582 AUD (77%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: $35,937 AUD at Taylor and Hart · As of October 30, 2026

View at Taylor and Hart

About this 12.23ct lab-grown heart diamond

This 12.23ct lab-grown heart sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG629419894 or 629419894. Listed at 20 retailers as of October 30, 2026, with prices from $8,354 to $35,937, a $27,582 spread on the same certified stone. Taylor and Hart lists it at $35,937. 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

12.23

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.8°

Pavilion angle40.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG629419894

Dimensions15.93 × 15.93 × 13.58 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizePointed

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG629419894

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 30

Current: $8,354 AUD|Low: $8,326 AUD|High: $28,858 AUD|Avg: $14,402 AUD|-0.9%

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

Retailer 16

Retailer 17

Retailer 18

Retailer 19

October 30, 2026

Retailer 1$8,354 AUD

Retailer 19$8,940 AUD

Retailer 9$9,846 AUD

Retailer 7$10,014 AUD

Retailer 4$10,342 AUD

Retailer 2$10,371 AUD

Retailer 6$10,371 AUD

Retailer 17$11,363 AUD

Retailer 3$12,027 AUD

Retailer 5$12,311 AUD

Retailer 13$13,011 AUD

Retailer 12$16,053 AUD

Retailer 10$16,460 AUD

Retailer 14$16,525 AUD

Retailer 11$16,836 AUD

Retailer 18$18,098 AUD

Retailer 15$19,478 AUD

Retailer 16$19,885 AUD

Retailer 8$28,858 AUD

36 data points across 19 retailers

20 retailers$8,354 AUD to $35,937 AUD

B+

Cheapest Retailer

$8,354 AUD

£4,621 GBP

Retailer 2

$8,940 AUD

$6,280 USD

View

Price last confirmed 8 days ago

Retailer 3

$9,298 AUD

$6,531 USD

View

Price last confirmed 9 days ago

B+

Retailer 4

$9,846 AUD

$6,916 USD

View

B+

Retailer 5

$10,014 AUD

$7,034 USD

View

Final sale: no returns

B+

Retailer 6

$10,342 AUD

$7,265 USD

View

Retailer 7

$10,371 AUD

$7,285 USD

View

Price last confirmed 8 days ago

Retailer 8

$10,371 AUD

$7,285 USD

View

Price last confirmed 17 days ago

B+

Retailer 9

$11,363 AUD

$7,982 USD

View

Retailer 10

$12,027 AUD

$8,448 USD

View

Price last confirmed 9 days ago

Retailer 11

$12,311 AUD

$8,648 USD

View

Price last confirmed 8 days ago

Retailer 12

$13,011 AUD

£7,196 GBP

View

Retailer 13

$13,189 AUD

£7,295 GBP

View

Price last confirmed 8 days ago

Retailer 14

$16,053 AUD

ZAR 182,174 ZAR

View

Retailer 15

$16,525 AUD

$11,608 USD

View

Retailer 16

$18,098 AUD

View

Price last confirmed 21 days ago

Retailer 17

$19,478 AUD

$13,682 USD

View

Retailer 18

$19,885 AUD

View

Price last confirmed 8 days ago

Retailer 19

$28,858 AUD

$20,271 USD

View

Most Expensive

Taylor and Hart

LSXFFVE · Oct 30

$35,937 AUD

$25,243 USD

View

19 more retailers have this diamond

Prices start from $8,354 AUDSave up to $27,582 AUD

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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