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 HK$37,161 HKD

$4,736 USD

As of October 29, 2026

Save HK$179,777 HKD (83%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: HK$216,937 HKD at With Clarity · As of October 28, 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 28, 2026, with prices from HK$37,161 to HK$216,937, a HK$179,777 spread on the same certified stone. With Clarity lists it at HK$216,937. 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: HK$56,078 HKD|Low: HK$32,053 HKD|High: HK$134,017 HKD|Avg: HK$69,822 HKD|+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 11HK$41,609 HKD

Retailer 3HK$43,108 HKD

Retailer 5HK$43,108 HKD

Retailer 15HK$43,351 HKD

Retailer 4HK$44,348 HKD

Retailer 14HK$44,717 HKD

Retailer 8HK$52,783 HKD

Retailer 1HK$56,078 HKD

Retailer 6HK$60,866 HKD

Retailer 13HK$66,808 HKD

Retailer 9HK$68,740 HKD

Retailer 17HK$72,407 HKD

Retailer 12HK$89,734 HKD

Retailer 10HK$91,742 HKD

Retailer 16HK$96,401 HKD

Retailer 7HK$110,173 HKD

Retailer 2HK$130,015 HKD

43 data points across 17 retailers

26 retailersHK$37,161 HKD to HK$216,937 HKD

Cheapest Retailer

HK$37,161 HKD

$4,736 USD

Retailer 2

HK$37,161 HKD

$4,736 USD

View

Price last confirmed 36 days ago

Retailer 3

HK$38,942 HKD

$4,963 USD

View

Retailer 4

HK$40,360 HKD

CA$7,144 CAD

View

Retailer 5

HK$41,609 HKD

$5,303 USD

View

Final sale: no returns

Retailer 6

HK$42,512 HKD

$5,418 USD

View

Price last confirmed 37 days ago

Retailer 7

HK$43,108 HKD

$5,494 USD

View

Retailer 8

HK$43,108 HKD

$5,494 USD

View

Price last confirmed 13 days ago

Retailer 9

HK$43,351 HKD

$5,525 USD

View

Retailer 10

HK$44,348 HKD

$5,652 USD

View

Retailer 11

HK$44,717 HKD

$5,699 USD

View

B+

Retailer 12

HK$52,783 HKD

$6,727 USD

View

B+

Retailer 13

HK$53,866 HKD

$6,865 USD

View

B+

Retailer 14

HK$56,078 HKD

£5,627 GBP

View

B+

Retailer 15

HK$60,866 HKD

£6,108 GBP

View

B+

Retailer 16

HK$72,407 HKD

$9,228 USD

View

B+

Retailer 17

HK$89,734 HKD

£9,005 GBP

View

B+

Retailer 18

HK$91,742 HKD

ZAR 188,890 ZAR

View

Retailer 19

HK$96,401 HKD

$12,286 USD

View

Retailer 20

HK$110,173 HKD

$14,041 USD

View

Retailer 21

HK$115,217 HKD

$14,684 USD

View

Retailer 22

HK$119,818 HKD

$15,270 USD

View

Retailer 23

HK$123,542 HKD

$15,745 USD

View

Retailer 24

HK$130,015 HKD

$16,570 USD

View

Retailer 25

HK$154,351 HKD

$19,672 USD

View

Most Expensive

With Clarity

790622868 · Oct 28

HK$216,937 HKD

$27,648 USD

View

25 more retailers have this diamond

Prices start from HK$37,161 HKDSave up to HK$179,777 HKD

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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4.21ct Oval

HK$37,161 HKD