Heart|Lab Grown|IGI

5.74ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG596345467

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG596345467

Diamond specifications and retailer prices

From $16,428 NZD

$9,259 USD

As of October 30, 2026

Save $62,230 NZD (79%) vs most expensive(unlock to see where)

29 retailers carry this diamond

Most expensive: $78,658 NZD at Michael Trio · As of October 30, 2026

View at Michael Trio

About this 5.74ct lab-grown heart diamond

This 5.74ct lab-grown heart sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG596345467 or 596345467. Listed at 29 retailers as of October 30, 2026, with prices from $16,428 to $78,658, a $62,230 spread on the same certified stone. Michael Trio lists it at $78,658. 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

5.74

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle41.5°

Pavilion angle38.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG596345467

Dimensions12.33 × 10.88 × 7.41 mm

L/W Ratio1.13

Girdle conditionFaceted

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG596345467

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 30

Current: $78,658 NZD|Low: $16,428 NZD|High: $179,361 NZD|Avg: $53,512 NZD|-56.1%

Michael Trio

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

Retailer 20

October 30, 2026

Retailer 3$16,428 NZD

Retailer 8$16,717 NZD

Retailer 9$18,852 NZD

Retailer 18$20,860 NZD

Retailer 19$22,037 NZD

Retailer 15$22,507 NZD

Retailer 17$25,793 NZD

Retailer 4$25,875 NZD

Retailer 2$27,555 NZD

Retailer 14$33,972 NZD

Retailer 6$34,856 NZD

Retailer 13$42,738 NZD

Retailer 16$43,576 NZD

Retailer 20$46,825 NZD

Retailer 5$52,443 NZD

Retailer 10$58,255 NZD

Retailer 11$64,632 NZD

Michael Trio$78,658 NZD

Retailer 12$80,490 NZD

Retailer 7$102,501 NZD

30 data points across 20 retailers

29 retailers$16,428 NZD to $78,658 NZD

Cheapest Retailer

$16,428 NZD

$9,259 USD

Retailer 2

$16,428 NZD

$9,259 USD

View

Price last confirmed 22 days ago

Retailer 3

$16,428 NZD

$9,259 USD

View

Price last confirmed 19 days ago

Retailer 4

$16,717 NZD

$9,422 USD

View

Retailer 5

$18,852 NZD

$10,625 USD

View

Retailer 6

$19,056 NZD

$10,740 USD

View

Price last confirmed 20 days ago

Retailer 7

$19,056 NZD

$10,740 USD

View

Price last confirmed 27 days ago

Retailer 8

$19,714 NZD

$11,111 USD

View

Retailer 9

$19,714 NZD

$11,111 USD

View

Price last confirmed 20 days ago

Retailer 10

$20,860 NZD

$11,757 USD

View

Retailer 11

$22,037 NZD

$12,420 USD

View

Retailer 12

$22,507 NZD

$12,685 USD

View

Final sale: no returns

Retailer 13

$25,793 NZD

£11,447 GBP

View

Price last confirmed 11 days ago

Retailer 14

$25,875 NZD

$14,583 USD

View

Retailer 15

$27,555 NZD

$15,530 USD

View

Retailer 16

$33,972 NZD

£15,076 GBP

View

Retailer 17

$34,856 NZD

$19,645 USD

View

Retailer 18

$37,468 NZD

$21,117 USD

View

Price last confirmed 30 days ago

Retailer 19

$37,468 NZD

$21,117 USD

View

Price last confirmed 30 days ago

Retailer 20

$37,768 NZD

$21,286 USD

View

Price last confirmed 32 days ago

B+

Retailer 21

$42,738 NZD

ZAR 389,131 ZAR

View

Retailer 22

$42,864 NZD

$24,158 USD

View

Price last confirmed 33 days ago

Retailer 23

$43,576 NZD

A$37,784 AUD

View

Price last confirmed 8 days ago

Retailer 24

$46,825 NZD

A$40,601 AUD

View

Price last confirmed 22 days ago

B+

Retailer 25

$52,443 NZD

$29,557 USD

View

B+

Retailer 26

$58,255 NZD

$32,833 USD

View

Retailer 27

$64,632 NZD

$36,427 USD

View

Most Expensive

Michael Trio

7901460670 · Oct 30

$78,658 NZD

SGD 59,908 SGD

View

27 more retailers have this diamond

Prices start from $16,428 NZDSave up to $62,230 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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