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Radiant|Lab Grown|GCAL

5.16ct D FL Radiant Lab Grown Diamond

ID • D/FL

Diamond specifications and retailer prices

From HK$91,755 HKD
$11,695 USD
As of October 28, 2026
Save HK$238,988 HKD (72%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$330,743 HKD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 5.16ct lab-grown radiant diamond

This 5.16ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GCAL. Listed at 5 retailers as of October 28, 2026, with prices from HK$91,755 to HK$330,743, a HK$238,988 spread on the same certified stone. Blue Nile lists it at HK$330,743. 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

5.16
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGCAL
Dimensions11.91 × 8.43 × 5.73 mm
L/W Ratio1.41
Top View
11.91 mm8.43 mm5.16 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL
Side View
Table 63.0%CrownGirdle: ThickPavilionCulet: NoneDepth 68.0%

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 28
Current: HK$330,743 HKD|Low: HK$91,755 HKD|High: HK$758,434 HKD|Avg: HK$242,458 HKD|-5.7%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 3HK$91,755 HKD
Retailer 2HK$107,180 HKD
Retailer 5HK$109,330 HKD
Retailer 4HK$286,034 HKD
Blue NileHK$330,743 HKD

12 data points across 5 retailers

5 retailersHK$91,755 HKD to HK$330,743 HKD

A
Cheapest Retailer
-
HK$91,755 HKD
$11,695 USD
A
Retailer 2
-
HK$96,463 HKD
$12,295 USD
View
Retailer 3
-
HK$109,330 HKD
$13,935 USD
View
Price last confirmed 24 days ago
B
Retailer 4
-
HK$286,034 HKD
$36,457 USD
View
Most Expensive
B
Blue Nile
30235244 · Oct 31
HK$330,743 HKD
$42,156 USD
View
4 more retailers have this diamond
Prices start from HK$91,755 HKDSave up to HK$238,988 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
5.16ct Radiant
HK$91,755 HKD