Oval|Lab Grown|IGI

4.00ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG754507853

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG754507853

Diamond specifications and retailer prices

From $4,213 NZD

£1,870 GBP

As of October 30, 2026

Save $22,880 NZD (84%) vs most expensive(unlock to see where)

30 retailers carry this diamond

Most expensive: $27,123 NZD at Novita Diamonds · As of October 8, 2026

View at Novita Diamonds

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 LG754507853 or 754507853. Listed at 30 retailers as of October 29, 2026, with a 543% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.8°

Pavilion angle40.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG754507853

Dimensions8.91 × 8.91 × 5.68 mm

L/W Ratio1.00

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG754507853

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: $27,123 NZD|Low: $4,198 NZD|High: $28,886 NZD|Avg: $11,252 NZD|+1.6%

Novita Diamonds

Retailer 2

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Retailer 5

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Retailer 28

October 30, 2026

Retailer 17$4,198 NZD

Retailer 2$4,213 NZD

Retailer 20$4,567 NZD

Retailer 27$4,569 NZD

Retailer 26$4,830 NZD

Retailer 23$4,862 NZD

Retailer 5$5,115 NZD

Retailer 28$6,291 NZD

Retailer 13$6,809 NZD

Retailer 3$6,812 NZD

Retailer 18$7,390 NZD

Retailer 12$7,464 NZD

Retailer 14$8,073 NZD

Retailer 10$8,546 NZD

Retailer 8$9,572 NZD

Retailer 22$10,735 NZD

Retailer 15$10,983 NZD

Retailer 11$11,535 NZD

Retailer 9$12,198 NZD

Retailer 6$12,767 NZD

Retailer 24$13,574 NZD

Retailer 19$14,052 NZD

Retailer 4$17,602 NZD

Retailer 7$18,214 NZD

Retailer 21$19,441 NZD

Retailer 16$22,995 NZD

Retailer 25$27,094 NZD

Novita Diamonds$27,123 NZD

33 data points across 28 retailers

30 retailers$4,213 NZD to $27,094 NZD

Retailer 1

$4,198 NZD

$2,366 USD

Price last confirmed 31 days ago

Retailer 2

$4,213 NZD

£1,870 GBP

View

Retailer 3

$4,567 NZD

$2,574 USD

View

Price last confirmed 34 days ago

Retailer 4

$4,567 NZD

$2,574 USD

View

Price last confirmed 16 days ago

Retailer 5

$4,569 NZD

$2,575 USD

View

Retailer 6

$4,803 NZD

$2,707 USD

View

Price last confirmed 31 days ago

Retailer 7

$4,830 NZD

$2,722 USD

View

Retailer 8

$4,862 NZD

$2,740 USD

View

Retailer 9

$4,870 NZD

$2,745 USD

View

Price last confirmed 28 days ago

Retailer 10

$5,115 NZD

$2,883 USD

View

Final sale: no returns

Retailer 11

$6,291 NZD

HK$27,700 HKD

View

Retailer 12

$6,809 NZD

£3,022 GBP

View

Retailer 13

$6,812 NZD

$3,839 USD

View

Retailer 14

$7,390 NZD

$4,165 USD

View

Price last confirmed 30 days ago

Retailer 15

$7,464 NZD

$4,207 USD

View

Retailer 16

$8,073 NZD

$4,550 USD

View

Retailer 17

$8,546 NZD

€4,587 EUR

View

Retailer 18

$9,572 NZD

£4,248 GBP

View

Retailer 19

$10,735 NZD

ZAR 97,746 ZAR

View

Retailer 20

$11,535 NZD

A$10,002 AUD

View

Price last confirmed 8 days ago

B+

Retailer 21

$12,198 NZD

$6,875 USD

View

B+

Retailer 22

$12,767 NZD

$7,196 USD

View

B+

Retailer 23

$13,574 NZD

£6,024 GBP

View

B+

Retailer 24

$14,052 NZD

$7,920 USD

View

Retailer 25

$17,602 NZD

$9,921 USD

View

Retailer 26

$18,214 NZD

SGD 13,872 SGD

View

Retailer 27

$19,441 NZD

$10,957 USD

View

Retailer 28

$22,995 NZD

$12,960 USD

View

Retailer 29

$27,094 NZD

$15,270 USD

View

Most Expensive

Novita Diamonds

cert_754507853 · Oct 8

$27,123 NZD

A$23,518 AUD

View

Price last confirmed 22 days ago

29 more retailers have this diamond

Prices start from $4,213 NZDSave up to $22,880 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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