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 $10,413 NZD

£4,621 GBP

As of October 30, 2026

Save $34,377 NZD (77%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: $44,789 NZD 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 $10,413 to $44,789, a $34,377 spread on the same certified stone. Taylor and Hart lists it at $44,789. 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

Dimensions13.58 × 15.93 × 9.70 mm

L/W Ratio1.17

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: $16,082 NZD|Low: $10,378 NZD|High: $35,967 NZD|Avg: $17,725 NZD|-0.8%

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

October 31, 2026

Retailer 11$10,413 NZD

Retailer 18$11,143 NZD

Retailer 9$12,271 NZD

Retailer 7$12,480 NZD

Retailer 4$12,890 NZD

Retailer 2$12,926 NZD

Retailer 6$12,926 NZD

Retailer 16$14,162 NZD

Retailer 3$14,989 NZD

Retailer 5$15,344 NZD

Retailer 1$16,082 NZD

Retailer 12$20,008 NZD

Retailer 10$20,515 NZD

Retailer 13$20,596 NZD

Retailer 17$22,556 NZD

Retailer 14$24,276 NZD

Retailer 15$24,783 NZD

Retailer 8$35,967 NZD

37 data points across 18 retailers

20 retailers$10,413 NZD to $44,789 NZD

B+

Cheapest Retailer

$10,413 NZD

£4,621 GBP

Retailer 2

$11,143 NZD

$6,280 USD

View

Price last confirmed 9 days ago

Retailer 3

$11,588 NZD

$6,531 USD

View

Price last confirmed 10 days ago

B+

Retailer 4

$12,271 NZD

$6,916 USD

View

B+

Retailer 5

$12,480 NZD

$7,034 USD

View

Final sale: no returns

B+

Retailer 6

$12,890 NZD

$7,265 USD

View

Retailer 7

$12,926 NZD

$7,285 USD

View

Price last confirmed 9 days ago

Retailer 8

$12,926 NZD

$7,285 USD

View

Price last confirmed 19 days ago

B+

Retailer 9

$14,162 NZD

$7,982 USD

View

Retailer 10

$14,989 NZD

$8,448 USD

View

Price last confirmed 10 days ago

Retailer 11

$15,344 NZD

$8,648 USD

View

Price last confirmed 9 days ago

B+

Retailer 12

$16,082 NZD

£7,137 GBP

View

Retailer 13

$16,438 NZD

£7,295 GBP

View

Price last confirmed 9 days ago

Retailer 14

$20,008 NZD

ZAR 182,174 ZAR

View

Retailer 15

$20,596 NZD

$11,608 USD

View

Retailer 16

$22,556 NZD

A$19,558 AUD

View

Price last confirmed 23 days ago

Retailer 17

$24,276 NZD

$13,682 USD

View

Retailer 18

$24,783 NZD

A$21,489 AUD

View

Price last confirmed 9 days ago

Retailer 19

$35,967 NZD

$20,271 USD

View

Most Expensive

Taylor and Hart

LSXFFVE · Oct 30

$44,789 NZD

$25,243 USD

View

19 more retailers have this diamond

Prices start from $10,413 NZDSave up to $34,377 NZD

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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