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Round|Natural|GIA

0.51ct J IF Round Natural Diamond

EX • J/IF • GIA 7472156839

Certificate GIA 7472156839

Diamond specifications and retailer prices

From HK$4,091 HKD
As of November 6, 2026
Save HK$8,747 HKD (68%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$17,454 HKD at NZ Jewellers · As of October 20, 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 J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 7472156839. Listed at 22 retailers as of November 4, 2026, with a 214% 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
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7472156839
Dimensions5.18 × 5.16 × 3.16 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
5.18 mm5.16 mm0.51 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7472156839
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.1%

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$5,776 HKD|Low: HK$4,091 HKD|High: HK$23,544 HKD|Avg: HK$8,475 HKD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 6HK$4,091 HKD
Retailer 4HK$5,133 HKD
Retailer 3HK$5,604 HKD
Retailer 1HK$5,776 HKD
Retailer 8HK$6,568 HKD
Retailer 9HK$6,764 HKD
Retailer 13HK$6,975 HKD
Retailer 7HK$7,406 HKD
Retailer 12HK$7,626 HKD
Retailer 5HK$8,363 HKD
Retailer 10HK$8,590 HKD
Retailer 11HK$12,838 HKD
Retailer 2HK$13,935 HKD

34 data points across 13 retailers

22 retailersHK$4,091 HKD to HK$12,838 HKD

A
Cheapest Retailer
-
HK$4,091 HKD
Retailer 2
-
HK$4,710 HKD
View
Price last confirmed 63 days ago
A
Retailer 3
-
HK$5,133 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$5,267 HKD
View
Retailer 5
-
HK$5,565 HKD
View
Price last confirmed 21 days ago
Retailer 6
-
HK$5,565 HKD
View
Price last confirmed 44 days ago
Retailer 7
-
HK$5,565 HKD
View
Price last confirmed 17 days ago
Retailer 8
-
HK$5,604 HKD
View
Price last confirmed 16 days ago
B+
Retailer 9
-
HK$5,776 HKD
View
Retailer 10
-
HK$6,419 HKD
View
Price last confirmed 45 days ago
B+
Retailer 11
-
HK$6,568 HKD
View
B+
Retailer 12
-
HK$6,599 HKD
View
B
Retailer 13
-
HK$6,764 HKD
View
B+
Retailer 14
-
HK$6,975 HKD
View
B+
Retailer 15
-
HK$7,406 HKD
View
B+
Retailer 16
-
HK$7,626 HKD
View
Retailer 17
-
HK$8,363 HKD
View
Price last confirmed 33 days ago
B
Retailer 18
-
HK$8,590 HKD
View
B
Retailer 19
-
HK$12,838 HKD
View
Retailer 20
-
HK$13,935 HKD
View
Price last confirmed 16 days ago
Retailer 21
-
HK$17,454 HKD
View
Price under review
Most Expensive
NZ Jewellers
9958ee06-efbe-4788-8c6c-827ce70825db · Oct 20
HK$17,454 HKD
$2,227 USD
View
Price under review
21 more retailers have this diamond
Prices start from HK$4,091 HKDSave up to HK$8,747 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$4,091 HKD