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Radiant|Natural|GIA

3.21ct F SI2 Radiant Natural Diamond

VG • F/SI2 • GIA 1518980509

Certificate GIA 1518980509

Diamond specifications and retailer prices

From HK$279,305 HKD
$35,598 USD
As of November 2, 2026
Save HK$222,429 HKD (44%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$501,735 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 3.21ct natural radiant diamond

This 3.21ct natural radiant sits in the three to five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 1518980509. Listed at 19 retailers as of November 1, 2026, with prices from HK$279,305 to HK$501,735, a HK$222,429 spread on the same certified stone. MOH London lists it at HK$501,735. 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

3.21
Carat
F
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle46.4°
Pavilion angle56.7°
OriginNatural
Grading LabGIA
CertificateGIA 1518980509
Dimensions9.97 × 7.32 × 5.10 mm
L/W Ratio1.36
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional twinning wisps, clouds, pinpoints and surface graining are not shown.
Key to symbols
Twinning Wisp, Feather, Crystal, Natural
Top View
9.97 mm7.32 mm3.21 ctF / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1518980509
Side View
Table 65.0%Crown 46.4°Girdle: Very ThickPavilion 56.7°Culet: NoneDepth 69.6%

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: Nov 2
Current: HK$501,735 HKD|Low: HK$275,673 HKD|High: HK$507,106 HKD|Avg: HK$345,597 HKD
MOH London
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
November 2, 2026
Retailer 11HK$275,673 HKD
Retailer 7HK$279,305 HKD
Retailer 10HK$294,808 HKD
Retailer 13HK$295,398 HKD
Retailer 5HK$316,943 HKD
Retailer 6HK$325,346 HKD
Retailer 9HK$327,037 HKD
Retailer 12HK$334,644 HKD
Retailer 15HK$334,644 HKD
Retailer 14HK$348,029 HKD
Retailer 3HK$361,415 HKD
Retailer 4HK$374,566 HKD
Retailer 8HK$380,861 HKD
Retailer 2HK$395,101 HKD
MOH LondonHK$501,735 HKD

33 data points across 15 retailers

19 retailersHK$279,305 HKD to HK$501,735 HKD

Retailer 1
-
HK$275,673 HKD
$35,135 USD
Price last confirmed 12 days ago
A
Retailer 2
-
HK$279,305 HKD
$35,598 USD
View
A
Retailer 3
-
HK$294,808 HKD
₹3,578,466 INR
View
B+
Retailer 4
-
HK$295,398 HKD
$37,649 USD
View
B+
Retailer 5
-
HK$304,036 HKD
$38,750 USD
View
B+
Retailer 6
-
HK$308,670 HKD
A$60,524 AUD
View
B+
Retailer 7
-
HK$325,346 HKD
$41,466 USD
View
B+
Retailer 8
-
HK$327,037 HKD
£32,820 GBP
View
B+
Retailer 9
-
HK$334,644 HKD
$42,651 USD
View
B+
Retailer 10
-
HK$334,644 HKD
$42,651 USD
View
B+
Retailer 11
-
HK$337,775 HKD
$43,050 USD
View
B+
Retailer 12
-
HK$337,775 HKD
$43,050 USD
View
B+
Retailer 13
-
HK$348,029 HKD
$44,357 USD
View
B+
Retailer 14
-
HK$349,073 HKD
$44,490 USD
View
B
Retailer 15
-
HK$361,415 HKD
$46,063 USD
View
Retailer 16
-
HK$374,566 HKD
$47,739 USD
View
Price last confirmed 21 days ago
B
Retailer 17
-
HK$380,861 HKD
€46,230 EUR
View
B
Retailer 18
-
HK$395,101 HKD
£39,651 GBP
View
Most Expensive
B
MOH London
EC0706F73 · Nov 1
HK$501,735 HKD
£50,352 GBP
View
18 more retailers have this diamond
Prices start from HK$279,305 HKDSave up to HK$222,429 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
3.21ct Radiant
HK$279,305 HKD