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Round|Natural|GIA

0.51ct K I1 Round Natural Diamond

VG • K/I1 • GIA 2228751593

Certificate GIA 2228751593

Diamond specifications and retailer prices

From HK$3,711 HKD
As of November 5, 2026
Save HK$9,140 HKD (71%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$12,850 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 very-good cut grade and certified by GIA 2228751593. Listed at 6 retailers as of November 4, 2026, with prices from HK$3,711 to HK$12,850, a HK$9,140 spread on the same certified stone. NZ Jewellers lists it at HK$12,850. 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
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2228751593
Dimensions5.01 × 5.05 × 3.22 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.01 mm5.05 mm0.51 ctK / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2228751593
Side View
Table 58.0%Crown 37°Girdle: STK-THKPavilion 41°Culet: NoneDepth 64.0%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: HK$12,850 HKD|Low: HK$3,711 HKD|High: HK$12,850 HKD|Avg: HK$5,679 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5HK$3,711 HKD
Retailer 3HK$4,001 HKD
Retailer 7HK$4,001 HKD
Retailer 6HK$4,283 HKD
Retailer 4HK$4,558 HKD
Retailer 8HK$5,060 HKD
Retailer 2HK$6,072 HKD
Retailer 9HK$6,158 HKD
NZ JewellersHK$12,850 HKD

19 data points across 9 retailers

6 retailersHK$3,711 HKD to HK$12,850 HKD

B+
Cheapest Retailer
-
HK$3,711 HKD
Retailer 2
-
HK$4,001 HKD
View
Price last confirmed 8 days ago
B
Retailer 3
-
HK$4,001 HKD
View
B
Retailer 4
-
HK$4,283 HKD
View
B
Retailer 5
-
HK$6,072 HKD
View
Most Expensive
C
NZ Jewellers
0190e13d-0735-4f47-85d2-c1bd336b2d44 · Nov 4
HK$12,850 HKD
$1,638 USD
View
5 more retailers have this diamond
Prices start from HK$3,711 HKDSave up to HK$9,140 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$3,711 HKD