Round|Lab Grown|IGI

4.26ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG754507816

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754507816

Diamond specifications and retailer prices

From $4,608 NZD

$2,597 USD

As of October 29, 2026

Save $22,716 NZD (83%) vs most expensive(unlock to see where)

29 retailers carry this diamond

Most expensive: $27,324 NZD at Do Amore Diamonds · As of October 31, 2026

View at Do Amore Diamonds

About this 4.26ct lab-grown round diamond

This 4.26ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754507816 or 754507816. Listed at 29 retailers as of October 29, 2026, with prices from $4,608 to $27,324, a $22,716 spread on the same certified stone. Do Amore Diamonds lists it at $27,324. 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

4.26

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.1°

Pavilion angle40.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG754507816

Dimensions10.42 × 10.48 × 6.36 mm

L/W Ratio1.01

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 LG754507816

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 29

Current: $27,324 NZD|Low: $3,954 NZD|High: $42,424 NZD|Avg: $12,178 NZD

Do Amore Diamonds

Retailer 2

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Retailer 22

October 31, 2026

Retailer 21$3,954 NZD

Retailer 9$4,883 NZD

Retailer 4$5,140 NZD

Retailer 10$6,314 NZD

Retailer 20$6,702 NZD

Retailer 3$6,707 NZD

Retailer 13$6,838 NZD

Retailer 22$7,221 NZD

Retailer 8$7,647 NZD

Retailer 15$7,823 NZD

Retailer 2$8,093 NZD

Retailer 17$10,825 NZD

Retailer 19$10,912 NZD

Retailer 7$12,301 NZD

Retailer 5$12,866 NZD

Retailer 11$13,303 NZD

Retailer 18$13,689 NZD

Retailer 14$17,748 NZD

Retailer 12$18,296 NZD

Retailer 6$19,930 NZD

Retailer 16$23,758 NZD

Do Amore Diamonds$27,324 NZD

37 data points across 22 retailers

29 retailers$4,608 NZD to $27,324 NZD

Retailer 1

$3,954 NZD

£1,755 GBP

Price last confirmed 14 days ago

Retailer 2

$4,320 NZD

$2,435 USD

View

Price last confirmed 25 days ago

Retailer 3

$4,320 NZD

$2,435 USD

View

Price last confirmed 18 days ago

Retailer 4

$4,445 NZD

$2,505 USD

View

Price last confirmed 32 days ago

Retailer 5

$4,608 NZD

$2,597 USD

View

Retailer 6

$4,608 NZD

$2,597 USD

View

Price last confirmed 29 days ago

Retailer 7

$4,883 NZD

$2,752 USD

View

Retailer 8

$5,085 NZD

$2,866 USD

View

Price last confirmed 31 days ago

Retailer 9

$5,140 NZD

$2,897 USD

View

Final sale: no returns

Retailer 10

$5,365 NZD

$3,024 USD

View

Price last confirmed 38 days ago

Retailer 11

$6,314 NZD

HK$27,800 HKD

View

Retailer 12

$6,702 NZD

$3,777 USD

View

Retailer 13

$6,707 NZD

$3,780 USD

View

Retailer 14

$6,838 NZD

£3,035 GBP

View

Retailer 15

$7,221 NZD

$4,070 USD

View

Retailer 16

$7,647 NZD

$4,310 USD

View

Retailer 17

$7,823 NZD

$4,409 USD

View

Price last confirmed 31 days ago

Retailer 18

$8,093 NZD

€4,344 EUR

View

Retailer 19

$10,825 NZD

ZAR 98,564 ZAR

View

Retailer 20

$10,912 NZD

A$9,462 AUD

View

Price last confirmed 9 days ago

B+

Retailer 21

$12,301 NZD

$6,933 USD

View

B+

Retailer 22

$12,866 NZD

$7,251 USD

View

B+

Retailer 23

$13,303 NZD

$7,498 USD

View

B+

Retailer 24

$13,689 NZD

£6,075 GBP

View

B+

Retailer 25

$17,748 NZD

$10,003 USD

View

B+

Retailer 26

$18,296 NZD

SGD 13,935 SGD

View

Retailer 27

$19,930 NZD

A$17,281 AUD

View

Price last confirmed 22 days ago

B+

Retailer 28

$23,758 NZD

$13,390 USD

View

Most Expensive

Do Amore Diamonds

27-3062BDC9F · Oct 31

$27,324 NZD

$15,400 USD

View

28 more retailers have this diamond

Prices start from $4,608 NZDSave up to $22,716 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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4.26ct Round

$4,608 NZD