Heart|Lab Grown|IGI

3.57ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG817695374

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG817695374

Diamond specifications and retailer prices

From $5,628 NZD

$3,172 USD

As of October 30, 2026

Save $22,771 NZD (80%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: $28,399 NZD at With Clarity · As of October 31, 2026

View at With Clarity

About this 3.57ct lab-grown heart diamond

This 3.57ct 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 LG817695374 or 817695374. Listed at 22 retailers as of October 30, 2026, with prices from $5,628 to $28,399, a $22,771 spread on the same certified stone. With Clarity lists it at $28,399. 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

3.57

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.3°

Pavilion angle38.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG817695374

Dimensions9.48 × 10.46 × 6.06 mm

L/W Ratio1.10

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 LG817695374

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: $6,302 NZD|Low: $5,628 NZD|High: $30,358 NZD|Avg: $12,095 NZD|-10.7%

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

With Clarity

October 31, 2026

Retailer 5$5,628 NZD

Retailer 18$6,123 NZD

Retailer 1$6,302 NZD

Retailer 3$6,395 NZD

Retailer 7$6,528 NZD

Retailer 8$6,528 NZD

Retailer 2$6,804 NZD

Retailer 4$7,850 NZD

Retailer 9$8,158 NZD

Retailer 17$8,208 NZD

Retailer 11$8,602 NZD

Retailer 6$10,140 NZD

Retailer 14$12,354 NZD

Retailer 13$15,156 NZD

Retailer 16$15,953 NZD

Retailer 15$16,637 NZD

Retailer 12$21,256 NZD

Retailer 10$22,806 NZD

With Clarity$28,399 NZD

29 data points across 19 retailers

22 retailers$5,628 NZD to $28,399 NZD

Cheapest Retailer

$5,628 NZD

$3,172 USD

Retailer 2

$6,123 NZD

$3,451 USD

View

B+

Retailer 3

$6,302 NZD

$3,552 USD

View

Final sale: no returns

Retailer 4

$6,395 NZD

$3,604 USD

View

Retailer 5

$6,528 NZD

$3,679 USD

View

Retailer 6

$6,528 NZD

$3,679 USD

View

Price last confirmed 18 days ago

Retailer 7

$6,804 NZD

$3,835 USD

View

B+

Retailer 8

$7,850 NZD

$4,424 USD

View

B+

Retailer 9

$8,158 NZD

$4,598 USD

View

B+

Retailer 10

$8,208 NZD

$4,626 USD

View

B+

Retailer 11

$8,602 NZD

£3,817 GBP

View

B+

Retailer 12

$10,140 NZD

$5,715 USD

View

Retailer 13

$10,287 NZD

$5,798 USD

View

Price last confirmed 32 days ago

B+

Retailer 14

$12,354 NZD

€6,631 EUR

View

B+

Retailer 15

$15,156 NZD

ZAR 137,994 ZAR

View

B+

Retailer 16

$15,953 NZD

$8,991 USD

View

B+

Retailer 17

$16,292 NZD

$9,182 USD

View

B+

Retailer 18

$16,637 NZD

£7,383 GBP

View

Retailer 19

$21,256 NZD

$11,980 USD

View

Retailer 20

$22,806 NZD

$12,854 USD

View

Retailer 21

$25,934 NZD

SGD 19,752 SGD

View

Most Expensive

With Clarity

817695374 · Oct 31

$28,399 NZD

$16,006 USD

View

21 more retailers have this diamond

Prices start from $5,628 NZDSave up to $22,771 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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