Oval|Lab Grown|IGI

4.00ct D IF Oval Lab Grown Diamond

ID • D/IF • IGI LG705509643

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG705509643

Diamond specifications and retailer prices

From $23,075 NZD

$12,960 USD

As of October 29, 2026

25 retailers carry this diamond

Most expensive: $23,075 NZD at Brilliant Earth

View at Brilliant Earth

About this 4ct lab-grown oval diamond

This 4ct lab-grown oval 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 LG705509643 or 705509643. Listed at 25 retailers as of October 29, 2026. 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

4.00

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.2°

Pavilion angle40.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG705509643

Dimensions12.66 × 8.87 × 5.70 mm

L/W Ratio1.43

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 LG705509643

Side View

Caratlytics Score

How it works →

Good

Decent quality, room for better deals

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29

Current: $23,075 NZD|Low: $4,161 NZD|High: $34,951 NZD|Avg: $10,105 NZD|-34.0%

Brilliant Earth

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

Retailer 21

Retailer 22

Retailer 23

Retailer 24

Retailer 25

October 21, 2026

Retailer 5$4,161 NZD

Retailer 19$4,462 NZD

Retailer 15$4,528 NZD

Retailer 11$4,660 NZD

Retailer 8$4,827 NZD

Retailer 10$5,066 NZD

Retailer 2$5,119 NZD

Retailer 18$5,370 NZD

Retailer 3$6,290 NZD

Retailer 25$6,878 NZD

Retailer 23$7,204 NZD

Retailer 4$7,323 NZD

Retailer 20$7,352 NZD

Retailer 24$7,398 NZD

Retailer 9$10,094 NZD

Retailer 21$10,914 NZD

Retailer 13$11,216 NZD

Retailer 17$12,713 NZD

Retailer 12$13,436 NZD

Retailer 7$13,847 NZD

Retailer 22$14,341 NZD

Retailer 14$18,215 NZD

Retailer 16$18,584 NZD

Brilliant Earth$23,075 NZD

Retailer 6$28,630 NZD

33 data points across 25 retailers

25 retailers

Retailer 1

$4,161 NZD

$2,337 USD

Price last confirmed 11 days ago

Retailer 2

$4,462 NZD

£1,973 GBP

View

Price last confirmed 10 days ago

Retailer 3

$4,528 NZD

$2,543 USD

View

Price last confirmed 16 days ago

Retailer 4

$4,827 NZD

$2,711 USD

View

Price last confirmed 11 days ago

Retailer 5

$5,066 NZD

$2,845 USD

View

Price last confirmed 10 days ago

Retailer 6

$5,119 NZD

$2,875 USD

View

Price last confirmed 9 days ago

Retailer 7

$5,370 NZD

$3,016 USD

View

Price last confirmed 17 days ago

Retailer 8

$6,290 NZD

HK$27,600 HKD

View

Price last confirmed 9 days ago

Retailer 9

$6,878 NZD

$3,863 USD

View

Price last confirmed 10 days ago

Retailer 10

$7,204 NZD

$4,046 USD

View

Price last confirmed 11 days ago

Retailer 11

$7,323 NZD

$4,113 USD

View

Price last confirmed 11 days ago

Retailer 12

$7,352 NZD

£3,251 GBP

View

Price last confirmed 10 days ago

Retailer 13

$7,398 NZD

$4,155 USD

View

Price last confirmed 10 days ago

Retailer 14

$10,094 NZD

£4,464 GBP

View

Price last confirmed 10 days ago

Retailer 15

$10,914 NZD

$6,130 USD

View

Price last confirmed 11 days ago

Retailer 16

$11,216 NZD

ZAR 101,770 ZAR

View

Price last confirmed 10 days ago

Retailer 17

$12,713 NZD

A$10,985 AUD

View

Price last confirmed 31 days ago

Retailer 18

$12,887 NZD

$7,238 USD

View

Price last confirmed 10 days ago

Retailer 19

$13,436 NZD

$7,546 USD

View

Price last confirmed 11 days ago

Retailer 20

$13,847 NZD

$7,777 USD

View

Price last confirmed 12 days ago

Retailer 21

$14,341 NZD

£6,342 GBP

View

Price last confirmed 11 days ago

Retailer 22

$15,874 NZD

£7,020 GBP

View

Price last confirmed 20 days ago

Retailer 23

$18,215 NZD

SGD 13,825 SGD

View

Price last confirmed 11 days ago

Retailer 24

$18,584 NZD

$10,437 USD

View

Price last confirmed 11 days ago

Most Expensive

Brilliant Earth

20152789Y · Oct 29

$23,075 NZD

$12,960 USD

View

24 more retailers have this diamond

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.

Similar diamonds

4.00ct Oval

$23,075 NZD