Radiant|Lab Grown|IGI

1.86ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG799646888

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

Certificate IGI LG799646888

Diamond specifications and retailer prices

From HK$5,068 HKD

$646 USD

As of October 30, 2026

Save HK$30,394 HKD (86%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: HK$48,173 HKD at Brilliant Earth · As of September 28, 2026

View at Brilliant Earth

About this 1.86ct lab-grown radiant diamond

This 1.86ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799646888 or 799646888. Listed at 25 retailers as of October 30, 2026, with a 600% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle41°

Pavilion angle36°

OriginLab Grown

Grading LabIGI

CertificateIGI LG799646888

Dimensions8.63 × 6.02 × 4.17 mm

L/W Ratio1.43

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 LG799646888

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$35,463 HKD|Low: HK$5,068 HKD|High: HK$46,760 HKD|Avg: HK$15,327 HKD|-24.2%

Brilliant Earth

Retailer 2

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Retailer 22

October 31, 2026

Retailer 14HK$5,068 HKD

Retailer 22HK$5,508 HKD

Retailer 2HK$5,665 HKD

Retailer 12HK$5,876 HKD

Retailer 17HK$6,662 HKD

Retailer 20HK$7,257 HKD

Retailer 4HK$7,901 HKD

Retailer 13HK$9,389 HKD

Retailer 21HK$9,603 HKD

Retailer 5HK$10,026 HKD

Retailer 19HK$10,796 HKD

Retailer 7HK$12,459 HKD

Retailer 6HK$13,659 HKD

Retailer 10HK$16,523 HKD

Retailer 8HK$18,294 HKD

Retailer 9HK$20,275 HKD

Retailer 16HK$20,689 HKD

Retailer 11HK$21,354 HKD

Retailer 18HK$24,890 HKD

Retailer 3HK$30,088 HKD

Brilliant EarthHK$35,463 HKD

Retailer 15HK$35,463 HKD

25 data points across 22 retailers

25 retailersHK$5,068 HKD to HK$35,463 HKD

Cheapest Retailer

HK$5,068 HKD

$646 USD

Retailer 2

HK$5,508 HKD

$702 USD

View

Retailer 3

HK$5,665 HKD

$722 USD

View

Final sale: no returns

Retailer 4

HK$5,876 HKD

$749 USD

View

Retailer 5

HK$6,269 HKD

$799 USD

View

Price last confirmed 15 days ago

Retailer 6

HK$6,662 HKD

£669 GBP

View

Retailer 7

HK$7,257 HKD

$925 USD

View

Retailer 8

HK$7,901 HKD

$1,007 USD

View

Retailer 9

HK$9,389 HKD

£942 GBP

View

Retailer 10

HK$9,603 HKD

$1,224 USD

View

Retailer 11

HK$10,026 HKD

€1,217 EUR

View

Price last confirmed 8 days ago

B+

Retailer 12

HK$10,796 HKD

ZAR 22,229 ZAR

View

B+

Retailer 13

HK$12,459 HKD

$1,588 USD

View

B+

Retailer 14

HK$13,659 HKD

$1,741 USD

View

B+

Retailer 15

HK$16,523 HKD

$2,106 USD

View

B+

Retailer 16

HK$18,294 HKD

£1,836 GBP

View

B+

Retailer 17

HK$19,316 HKD

$2,462 USD

View

B+

Retailer 18

HK$20,275 HKD

$2,584 USD

View

B+

Retailer 19

HK$20,689 HKD

$2,637 USD

View

B+

Retailer 20

HK$21,354 HKD

SGD 3,678 SGD

View

B+

Retailer 21

HK$24,890 HKD

£2,498 GBP

View

Retailer 22

HK$30,088 HKD

$3,835 USD

View

Retailer 23

HK$35,463 HKD

$4,520 USD

View

Retailer 24

HK$35,463 HKD

$4,520 USD

View

Price last confirmed 10 days ago

Most Expensive

Brilliant Earth

20575454A · Sep 28

HK$48,173 HKD

$6,140 USD

View

Price last confirmed 32 days ago

24 more retailers have this diamond

Prices start from HK$5,068 HKDSave up to HK$30,394 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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