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Round|Natural|GIA

0.51ct K IF Round Natural Diamond

EX • K/IF • GIA 6555679412

Certificate GIA 6555679412

Diamond specifications and retailer prices

From HK$3,511 HKD
As of November 6, 2026
Save HK$6,043 HKD (63%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$14,421 HKD at NZ Jewellers · As of September 28, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6555679412. Listed at 13 retailers as of November 4, 2026, with a 172% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6555679412
Dimensions5.11 × 5.08 × 3.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.11 mm5.08 mm0.51 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555679412
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$4,365 HKD|Low: HK$3,511 HKD|High: HK$10,745 HKD|Avg: HK$5,706 HKD|-6.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 2HK$3,511 HKD
Retailer 11HK$3,825 HKD
Retailer 12HK$3,919 HKD
Retailer 1HK$4,365 HKD
Retailer 5HK$5,118 HKD
Retailer 6HK$5,173 HKD
Retailer 9HK$5,525 HKD
Retailer 3HK$6,027 HKD
Retailer 10HK$6,160 HKD
Retailer 4HK$6,192 HKD
Retailer 7HK$6,419 HKD
Retailer 8HK$9,554 HKD

38 data points across 12 retailers

13 retailersHK$3,511 HKD to HK$9,554 HKD

A
Cheapest Retailer
-
HK$3,511 HKD
A
Retailer 2
-
HK$3,825 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$3,919 HKD
View
A
Retailer 4
-
HK$4,365 HKD
View
B+
Retailer 5
-
HK$5,118 HKD
View
A
Retailer 6
-
HK$5,173 HKD
View
B+
Retailer 7
-
HK$5,525 HKD
View
B+
Retailer 8
-
HK$6,027 HKD
View
B+
Retailer 9
-
HK$6,160 HKD
View
B+
Retailer 10
-
HK$6,419 HKD
View
B
Retailer 11
-
HK$9,554 HKD
View
Retailer 12
-
HK$14,280 HKD
View
Price last confirmed 31 days ago
Most Expensive
NZ Jewellers
03587995-2e7b-44ba-a300-74f9a7f87434 · Sep 28
HK$14,421 HKD
$1,840 USD
View
Price last confirmed 39 days ago
12 more retailers have this diamond
Prices start from HK$3,511 HKDSave up to HK$6,043 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$3,511 HKD