Oval|Lab Grown|IGI

4.21ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG790622868

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG790622868

Diamond specifications and retailer prices

From $6,742 AUD

$4,736 USD

As of October 29, 2026

Save $32,618 AUD (83%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: $39,360 AUD at With Clarity · As of October 30, 2026

View at With Clarity

About this 4.21ct lab-grown oval diamond

This 4.21ct 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 LG790622868 or 790622868. Listed at 26 retailers as of October 29, 2026, with prices from $6,742 to $39,360, a $32,618 spread on the same certified stone. With Clarity lists it at $39,360. 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

4.21

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.9°

Pavilion angle40.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG790622868

Dimensions13.55 × 9.06 × 5.58 mm

L/W Ratio1.50

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 LG790622868

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: $10,174 AUD|Low: $5,815 AUD|High: $24,315 AUD|Avg: $12,668 AUD|+0.4%

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

October 30, 2026

Retailer 11$7,549 AUD

Retailer 3$7,821 AUD

Retailer 5$7,821 AUD

Retailer 15$7,865 AUD

Retailer 4$8,046 AUD

Retailer 14$8,113 AUD

Retailer 8$9,577 AUD

Retailer 1$10,174 AUD

Retailer 6$11,043 AUD

Retailer 13$12,121 AUD

Retailer 9$12,472 AUD

Retailer 17$13,137 AUD

Retailer 12$16,281 AUD

Retailer 10$16,645 AUD

Retailer 16$17,490 AUD

Retailer 7$19,989 AUD

Retailer 2$23,589 AUD

43 data points across 17 retailers

26 retailers$6,742 AUD to $39,360 AUD

Cheapest Retailer

$6,742 AUD

$4,736 USD

Retailer 2

$6,742 AUD

$4,736 USD

View

Price last confirmed 37 days ago

Retailer 3

$7,065 AUD

$4,963 USD

View

Retailer 4

$7,323 AUD

CA$7,144 CAD

View

Retailer 5

$7,549 AUD

$5,303 USD

View

Final sale: no returns

Retailer 6

$7,713 AUD

$5,418 USD

View

Price last confirmed 37 days ago

Retailer 7

$7,821 AUD

$5,494 USD

View

Retailer 8

$7,821 AUD

$5,494 USD

View

Price last confirmed 14 days ago

Retailer 9

$7,865 AUD

$5,525 USD

View

Retailer 10

$8,046 AUD

$5,652 USD

View

Retailer 11

$8,113 AUD

$5,699 USD

View

B+

Retailer 12

$9,577 AUD

$6,727 USD

View

B+

Retailer 13

$9,773 AUD

$6,865 USD

View

B+

Retailer 14

$10,174 AUD

£5,627 GBP

View

B+

Retailer 15

$11,043 AUD

£6,108 GBP

View

B+

Retailer 16

$13,137 AUD

$9,228 USD

View

B+

Retailer 17

$16,281 AUD

£9,005 GBP

View

B+

Retailer 18

$16,645 AUD

ZAR 188,890 ZAR

View

Retailer 19

$17,490 AUD

$12,286 USD

View

Retailer 20

$19,989 AUD

$14,041 USD

View

Retailer 21

$20,904 AUD

$14,684 USD

View

Retailer 22

$21,739 AUD

$15,270 USD

View

Retailer 23

$22,415 AUD

$15,745 USD

View

Retailer 24

$23,589 AUD

$16,570 USD

View

Retailer 25

$28,004 AUD

$19,672 USD

View

Most Expensive

With Clarity

790622868 · Oct 30

$39,360 AUD

$27,648 USD

View

25 more retailers have this diamond

Prices start from $6,742 AUDSave up to $32,618 AUD

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

4.21ct Oval

$6,742 AUD