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Round|Natural|GIA

0.51ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6482247427

Certificate GIA 6482247427

Diamond specifications and retailer prices

From HK$2,448 HKD
As of November 6, 2026
Save HK$10,481 HKD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$12,929 HKD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6482247427. Listed at 10 retailers as of November 4, 2026, with prices from HK$2,448 to HK$12,929, a HK$10,481 spread on the same certified stone. NZ Jewellers lists it at HK$12,929. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6482247427
Dimensions5.10 × 5.13 × 3.19 mm
L/W Ratio1.01
Star length50%
Top View
5.10 mm5.13 mm0.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6482247427
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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 6
Current: HK$12,929 HKD|Low: HK$2,448 HKD|High: HK$12,929 HKD|Avg: HK$5,144 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2HK$2,448 HKD
Retailer 6HK$3,271 HKD
Retailer 9HK$3,373 HKD
Retailer 7HK$3,632 HKD
Retailer 8HK$3,632 HKD
Retailer 10HK$3,891 HKD
Retailer 3HK$4,119 HKD
Retailer 4HK$5,413 HKD
Retailer 5HK$7,775 HKD
NZ JewellersHK$12,929 HKD

39 data points across 10 retailers

10 retailersHK$2,448 HKD to HK$12,929 HKD

A
Cheapest Retailer
-
HK$2,448 HKD
A
Retailer 2
-
HK$3,271 HKD
View
A
Retailer 3
-
HK$3,373 HKD
View
Retailer 4
-
HK$3,632 HKD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
HK$3,632 HKD
View
B+
Retailer 6
-
HK$3,891 HKD
View
B+
Retailer 7
-
HK$4,119 HKD
View
B+
Retailer 8
-
HK$5,413 HKD
View
B
Retailer 9
-
HK$7,775 HKD
View
Most Expensive
C
NZ Jewellers
e864780e-869e-4f09-b5b9-8bd65a40d5b6 · Nov 4
HK$12,929 HKD
$1,648 USD
View
9 more retailers have this diamond
Prices start from HK$2,448 HKDSave up to HK$10,481 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
0.51ct Round
HK$2,448 HKD