Oval|Lab Grown|IGI

4.28ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG814620481

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG814620481

Diamond specifications and retailer prices

From $8,536 NZD

$4,811 USD

As of October 29, 2026

Save $41,336 NZD (83%) vs most expensive(unlock to see where)

23 retailers carry this diamond

Most expensive: $49,872 NZD at With Clarity · As of October 30, 2026

View at With Clarity

About this 4.28ct lab-grown oval diamond

This 4.28ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG814620481 or 814620481. Listed at 23 retailers as of October 29, 2026, with prices from $8,536 to $49,872, a $41,336 spread on the same certified stone. With Clarity lists it at $49,872. 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

4.28

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.3°

Pavilion angle40.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG814620481

Dimensions13.61 × 9.30 × 5.51 mm

L/W Ratio1.46

Girdle conditionFaceted

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG814620481

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: $20,937 NZD|Low: $8,195 NZD|High: $29,897 NZD|Avg: $15,359 NZD|-30.0%

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

October 30, 2026

Retailer 18$8,536 NZD

Retailer 6$8,946 NZD

Retailer 13$9,558 NZD

Retailer 4$9,902 NZD

Retailer 17$9,954 NZD

Retailer 16$10,279 NZD

Retailer 9$12,287 NZD

Retailer 5$12,374 NZD

Retailer 11$12,612 NZD

Retailer 7$14,007 NZD

Retailer 15$15,357 NZD

Retailer 10$15,786 NZD

Retailer 3$16,643 NZD

Retailer 14$20,258 NZD

Retailer 1$20,937 NZD

Retailer 12$21,075 NZD

Retailer 2$22,163 NZD

Retailer 8$25,328 NZD

42 data points across 18 retailers

23 retailers$8,536 NZD to $49,872 NZD

Cheapest Retailer

$8,536 NZD

$4,811 USD

Retailer 2

$8,946 NZD

$5,042 USD

View

Retailer 3

$9,279 NZD

CA$7,263 CAD

View

Retailer 4

$9,558 NZD

$5,387 USD

View

Final sale: no returns

Retailer 5

$9,902 NZD

$5,581 USD

View

Price last confirmed 14 days ago

Retailer 6

$9,902 NZD

$5,581 USD

View

Retailer 7

$9,954 NZD

$5,610 USD

View

Retailer 8

$10,279 NZD

$5,793 USD

View

B+

Retailer 9

$12,287 NZD

$6,925 USD

View

B+

Retailer 10

$12,374 NZD

$6,974 USD

View

B+

Retailer 11

$12,612 NZD

£5,597 GBP

View

B+

Retailer 12

$14,007 NZD

£6,216 GBP

View

B+

Retailer 13

$16,643 NZD

$9,380 USD

View

B+

Retailer 14

$20,258 NZD

£8,990 GBP

View

B+

Retailer 15

$20,937 NZD

$11,800 USD

View

B+

Retailer 16

$21,075 NZD

ZAR 191,893 ZAR

View

Retailer 17

$22,163 NZD

$12,491 USD

View

Retailer 18

$25,328 NZD

$14,275 USD

View

Retailer 19

$26,489 NZD

$14,929 USD

View

Retailer 20

$27,527 NZD

$15,514 USD

View

Retailer 21

$28,399 NZD

$16,006 USD

View

Retailer 22

$35,485 NZD

$20,000 USD

View

Most Expensive

With Clarity

814620481 · Oct 30

$49,872 NZD

$28,108 USD

View

22 more retailers have this diamond

Prices start from $8,536 NZDSave up to $41,336 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.

Similar diamonds

4.28ct Oval

$8,536 NZD