Heart|Lab Grown|IGI

4.01ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG844621798

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG844621798

Diamond specifications and retailer prices

From $11,953 NZD

$6,737 USD

As of October 26, 2026

Save $38,417 NZD (76%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $50,371 NZD at Taylor and Hart · As of October 26, 2026

View at Taylor and Hart

About this 4.01ct lab-grown heart diamond

This 4.01ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG844621798 or 844621798. Listed at 16 retailers as of October 26, 2026, with prices from $11,953 to $50,371, a $38,417 spread on the same certified stone. Taylor and Hart lists it at $50,371. 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

4.01

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.8°

Pavilion angle41.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG844621798

Dimensions11.22 × 9.86 × 6.25 mm

L/W Ratio1.14

Girdle conditionFaceted

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG844621798

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 26

Current: $12,477 NZD|Low: $11,561 NZD|High: $76,377 NZD|Avg: $28,110 NZD|-0.2%

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

Taylor and Hart

October 27, 2026

Retailer 16$11,953 NZD

Retailer 1$12,477 NZD

Retailer 7$13,796 NZD

Retailer 12$13,799 NZD

Retailer 14$14,851 NZD

Retailer 8$16,985 NZD

Retailer 15$17,236 NZD

Retailer 11$18,642 NZD

Retailer 5$24,791 NZD

Retailer 9$29,361 NZD

Retailer 10$31,661 NZD

Retailer 4$33,839 NZD

Retailer 3$38,788 NZD

Retailer 6$39,035 NZD

Retailer 13$41,574 NZD

Taylor and Hart$50,371 NZD

Retailer 2$76,377 NZD

15 data points across 17 retailers

16 retailers$11,953 NZD to $50,371 NZD

Cheapest Retailer

$11,953 NZD

$6,737 USD

Retailer 2

$12,477 NZD

£5,537 GBP

View

Retailer 3

$13,796 NZD

CA$10,800 CAD

View

Retailer 4

$13,799 NZD

$7,777 USD

View

B+

Retailer 5

$14,851 NZD

$8,370 USD

View

B+

Retailer 6

$16,985 NZD

$9,573 USD

View

Retailer 7

$18,642 NZD

£8,273 GBP

View

Price last confirmed 10 days ago

B+

Retailer 8

$24,791 NZD

$13,972 USD

View

B+

Retailer 9

$29,361 NZD

£13,030 GBP

View

Retailer 10

$31,661 NZD

ZAR 288,279 ZAR

View

Price last confirmed 7 days ago

Retailer 11

$33,839 NZD

$19,072 USD

View

Price last confirmed 10 days ago

Retailer 12

$38,788 NZD

$21,861 USD

View

Retailer 13

$39,035 NZD

$22,000 USD

View

Retailer 14

$41,574 NZD

$23,431 USD

View

Most Expensive

Taylor and Hart

9QUMMLG · Oct 26

$50,371 NZD

$28,389 USD

View

14 more retailers have this diamond

Prices start from $11,953 NZDSave up to $38,417 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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