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Round|Natural|GIA

0.51ct K I1 Round Natural Diamond

GD • K/I1 • GIA 3245397346

Certificate GIA 3245397346

Diamond specifications and retailer prices

From HK$3,366 HKD
As of November 5, 2026
Save HK$10,858 HKD (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$14,223 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 I1 clarity (included), with a standard cut grade and certified by GIA 3245397346. Listed at 6 retailers as of November 4, 2026, with prices from HK$3,366 to HK$14,223, a HK$10,858 spread on the same certified stone. NZ Jewellers lists it at HK$14,223. 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

0.51
Carat
K
Colour
I1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 3245397346
Dimensions4.91 × 4.93 × 3.23 mm
L/W Ratio1.00
Star length50%
Lower girdle85%
Top View
4.91 mm4.93 mm0.51 ctK / I1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3245397346
Side View
Table 57.0%Crown 38°Girdle: THK-VTKPavilion 40.4°Culet: NoneDepth 65.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$14,223 HKD|Low: HK$3,366 HKD|High: HK$14,223 HKD|Avg: HK$5,467 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5HK$3,366 HKD
Retailer 3HK$3,624 HKD
Retailer 7HK$3,624 HKD
Retailer 6HK$3,883 HKD
Retailer 4HK$4,103 HKD
Retailer 8HK$4,770 HKD
Retailer 2HK$5,554 HKD
Retailer 9HK$5,578 HKD
NZ JewellersHK$14,223 HKD

22 data points across 9 retailers

6 retailersHK$3,366 HKD to HK$14,223 HKD

B+
Cheapest Retailer
-
HK$3,366 HKD
Retailer 2
-
HK$3,624 HKD
View
Price last confirmed 8 days ago
B
Retailer 3
-
HK$3,624 HKD
View
B
Retailer 4
-
HK$3,883 HKD
View
B
Retailer 5
-
HK$5,554 HKD
View
Most Expensive
C
NZ Jewellers
702d8868-f5f1-4f1a-8092-4103ee61c4f8 · Nov 4
HK$14,223 HKD
$1,813 USD
View
5 more retailers have this diamond
Prices start from HK$3,366 HKDSave up to HK$10,858 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.

B+
0.51ct Round
HK$3,366 HKD