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Radiant|Lab Grown|IGI

2.58ct D FL Radiant Lab Grown Diamond

GD • D/FL • IGI LG818684462

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

Certificate IGI LG818684462

Diamond specifications and retailer prices

From HK$16,671 HKD
As of October 30, 2026
Save HK$50,724 HKD (75%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$67,395 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.58ct lab-grown radiant diamond

This 2.58ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG818684462 or 818684462. Listed at 11 retailers as of October 30, 2026, with prices from HK$16,671 to HK$67,395, a HK$50,724 spread on the same certified stone. Brilliant Earth lists it at HK$67,395. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.58
Carat
D
Colour
FL
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818684462
Dimensions9.71 × 6.98 × 4.50 mm
L/W Ratio1.39
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
Top View
9.71 mm6.98 mm2.58 ctD / FL
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818684462
Side View
Table 63.0%Crown 40.6°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 64.5%

Caratlytics Score

How it works →
A
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$67,395 HKD|Low: HK$16,671 HKD|High: HK$76,809 HKD|Avg: HK$39,281 HKD|-12.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10HK$16,671 HKD
Retailer 2HK$19,297 HKD
Retailer 9HK$20,634 HKD
Retailer 5HK$21,921 HKD
Retailer 6HK$22,141 HKD
Retailer 8HK$35,626 HKD
Retailer 4HK$39,079 HKD
Retailer 3HK$46,760 HKD
Retailer 7HK$48,053 HKD
Retailer 11HK$52,613 HKD
Brilliant EarthHK$67,395 HKD

30 data points across 11 retailers

11 retailersHK$16,671 HKD to HK$67,395 HKD

A
Cheapest Retailer
-
HK$16,671 HKD
B+
Retailer 2
-
HK$19,297 HKD
£1,937 GBP
View
B+
Retailer 3
-
HK$20,634 HKD
$2,630 USD
View
Retailer 4
-
HK$21,921 HKD
€2,661 EUR
View
Price last confirmed 7 days ago
B+
Retailer 5
-
HK$22,141 HKD
$2,822 USD
View
B
Retailer 6
-
HK$35,626 HKD
$4,541 USD
View
B
Retailer 7
-
HK$39,079 HKD
£3,922 GBP
View
Retailer 8
-
HK$46,760 HKD
$5,960 USD
View
Price last confirmed 32 days ago
B
Retailer 9
-
HK$48,053 HKD
$6,125 USD
View
B
Retailer 10
-
HK$52,613 HKD
$6,706 USD
View
Most Expensive
B
Brilliant Earth
21582073A · Oct 30
HK$67,395 HKD
$8,590 USD
View
10 more retailers have this diamond
Prices start from HK$16,671 HKDSave up to HK$50,724 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.

A
2.58ct Radiant
HK$16,671 HKD