Oval|Lab Grown|IGI

4.01ct F IF Oval Lab Grown Diamond

EX • F/IF • IGI LG812620413

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG812620413

Diamond specifications and retailer prices

From $4,001 NZD

$2,251 USD

As of November 1, 2026

Save $14,074 NZD (78%) vs most expensive(unlock to see where)

24 retailers carry this diamond

Most expensive: $18,075 NZD at Brilliant Earth · As of November 2, 2026

View at Brilliant Earth

About this 4.01ct lab-grown oval diamond

This 4.01ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812620413 or 812620413. Listed at 24 retailers as of November 1, 2026, with prices from $4,001 to $18,075, a $14,074 spread on the same certified stone. Brilliant Earth lists it at $18,075. 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 angle33.2°

Pavilion angle40.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG812620413

Dimensions13.36 × 8.96 × 5.38 mm

L/W Ratio1.49

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 LG812620413

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: Nov 1

Current: $18,075 NZD|Low: $4,001 NZD|High: $23,407 NZD|Avg: $10,181 NZD|-22.8%

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

November 2, 2026

Retailer 5$4,001 NZD

Retailer 13$4,443 NZD

Retailer 2$5,703 NZD

Retailer 14$6,144 NZD

Retailer 8$6,235 NZD

Retailer 12$6,554 NZD

Retailer 17$7,715 NZD

Retailer 3$7,855 NZD

Retailer 15$8,824 NZD

Retailer 11$8,880 NZD

Retailer 4$10,698 NZD

Retailer 6$10,814 NZD

Retailer 9$11,499 NZD

Retailer 16$11,814 NZD

Retailer 10$11,839 NZD

Retailer 7$14,506 NZD

Brilliant Earth$18,075 NZD

38 data points across 17 retailers

24 retailers$4,001 NZD to $18,075 NZD

Retailer 1

$3,891 NZD

$2,189 USD

Price last confirmed 40 days ago

Retailer 2

$3,891 NZD

$2,189 USD

View

Price last confirmed 22 days ago

Retailer 3

$4,001 NZD

$2,251 USD

View

Final sale: no returns

Retailer 4

$4,232 NZD

$2,381 USD

View

Price last confirmed 37 days ago

Retailer 5

$4,443 NZD

$2,500 USD

View

Retailer 6

$4,450 NZD

$2,504 USD

View

Price last confirmed 38 days ago

Retailer 7

$4,513 NZD

$2,539 USD

View

Price last confirmed 22 days ago

Retailer 8

$4,513 NZD

$2,539 USD

View

Price last confirmed 30 days ago

Retailer 9

$5,703 NZD

£2,527 GBP

View

Retailer 10

$6,144 NZD

$3,457 USD

View

Retailer 11

$6,203 NZD

$3,490 USD

View

Price last confirmed 26 days ago

Retailer 12

$6,235 NZD

$3,508 USD

View

Retailer 13

$6,554 NZD

€3,512 EUR

View

B+

Retailer 14

$7,715 NZD

$4,341 USD

View

B+

Retailer 15

$7,855 NZD

£3,480 GBP

View

B+

Retailer 16

$8,824 NZD

ZAR 80,206 ZAR

View

B+

Retailer 17

$8,880 NZD

A$7,687 AUD

View

B+

Retailer 18

$10,698 NZD

$6,019 USD

View

B+

Retailer 19

$10,814 NZD

$6,084 USD

View

B+

Retailer 20

$11,499 NZD

$6,470 USD

View

Retailer 21

$11,814 NZD

$6,647 USD

View

B+

Retailer 22

$11,839 NZD

£5,245 GBP

View

Retailer 23

$14,506 NZD

$8,162 USD

View

Most Expensive

Brilliant Earth

20893282A · Nov 2

$18,075 NZD

$10,170 USD

View

23 more retailers have this diamond

Prices start from $4,001 NZDSave up to $14,074 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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