Radiant|Lab Grown|IGI

5.08ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG728578081

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG728578081

Diamond specifications and retailer prices

From HK$61,479 HKD

$7,836 USD

As of October 30, 2026

Save HK$324,930 HKD (84%) vs most expensive(unlock to see where)

31 retailers carry this diamond

Most expensive: HK$386,409 HKD at With Clarity · As of October 31, 2026

View at With Clarity

About this 5.08ct lab-grown radiant diamond

This 5.08ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG728578081 or 728578081. Listed at 31 retailers as of October 30, 2026, with prices from HK$61,479 to HK$386,409, a HK$324,930 spread on the same certified stone. With Clarity lists it at HK$386,409. 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

5.08

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle42.7°

Pavilion angle33.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG728578081

Dimensions12.05 × 8.72 × 5.73 mm

L/W Ratio1.38

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG728578081

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: HK$119,352 HKD|Low: HK$61,479 HKD|High: HK$386,409 HKD|Avg: HK$124,152 HKD|-5.3%

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

Retailer 19

Retailer 20

With Clarity

October 31, 2026

Retailer 2HK$61,479 HKD

Retailer 18HK$63,338 HKD

Retailer 15HK$70,768 HKD

Retailer 4HK$77,729 HKD

Retailer 11HK$79,320 HKD

Retailer 17HK$79,328 HKD

Retailer 16HK$81,172 HKD

Retailer 12HK$83,400 HKD

Retailer 14HK$87,947 HKD

Retailer 7HK$102,231 HKD

Retailer 20HK$116,038 HKD

Retailer 1HK$119,352 HKD

Retailer 19HK$130,443 HKD

Retailer 9HK$140,752 HKD

Retailer 8HK$144,889 HKD

Retailer 10HK$159,973 HKD

Retailer 13HK$186,970 HKD

Retailer 3HK$198,565 HKD

Retailer 6HK$233,665 HKD

Retailer 5HK$264,583 HKD

With ClarityHK$386,409 HKD

36 data points across 21 retailers

31 retailersHK$61,479 HKD to HK$386,409 HKD

Cheapest Retailer

HK$61,479 HKD

$7,836 USD

Retailer 2

HK$63,338 HKD

$8,073 USD

View

Retailer 3

HK$66,288 HKD

$8,449 USD

View

Price last confirmed 23 days ago

Retailer 4

HK$66,288 HKD

$8,449 USD

View

Price last confirmed 31 days ago

Retailer 5

HK$68,940 HKD

$8,787 USD

View

Price last confirmed 34 days ago

Retailer 6

HK$70,768 HKD

$9,020 USD

View

Retailer 7

HK$75,837 HKD

$9,666 USD

View

Price last confirmed 34 days ago

Retailer 8

HK$76,896 HKD

$9,801 USD

View

Price last confirmed 28 days ago

Retailer 9

HK$77,729 HKD

View

Retailer 10

HK$79,320 HKD

$10,110 USD

View

Retailer 11

HK$79,328 HKD

$10,111 USD

View

Retailer 12

HK$80,709 HKD

$10,287 USD

View

Retailer 13

HK$81,172 HKD

$10,346 USD

View

Retailer 14

HK$83,400 HKD

$10,630 USD

View

Final sale: no returns

Retailer 15

HK$86,475 HKD

$11,022 USD

View

Retailer 16

HK$86,475 HKD

$11,022 USD

View

Price last confirmed 21 days ago

Retailer 17

HK$86,475 HKD

$11,022 USD

View

Price last confirmed 31 days ago

Retailer 18

HK$87,947 HKD

£8,826 GBP

View

Retailer 19

HK$102,231 HKD

£10,260 GBP

View

Retailer 20

HK$116,038 HKD

$14,790 USD

View

Retailer 21

HK$119,352 HKD

€14,488 EUR

View

Retailer 22

HK$130,443 HKD

$16,626 USD

View

Retailer 23

HK$140,752 HKD

£14,126 GBP

View

Retailer 24

HK$144,889 HKD

ZAR 298,340 ZAR

View

Retailer 25

HK$159,973 HKD

A$31,369 AUD

View

Price last confirmed 9 days ago

Retailer 26

HK$186,970 HKD

A$36,663 AUD

View

Price last confirmed 30 days ago

B+

Retailer 27

HK$198,565 HKD

$25,309 USD

View

B+

Retailer 28

HK$212,019 HKD

$27,024 USD

View

B+

Retailer 29

HK$233,665 HKD

$29,783 USD

View

Retailer 30

HK$264,583 HKD

SGD 45,572 SGD

View

Most Expensive

With Clarity

728578081 · Oct 31

HK$386,409 HKD

$49,251 USD

View

30 more retailers have this diamond

Prices start from HK$61,479 HKDSave up to HK$324,930 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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