Round|Natural|GIA

0.51ct J IF Round Natural Diamond

EX • J/IF • GIA 6555934929

Certificate GIA 6555934929

Diamond specifications and retailer prices

From HK$3,989 HKD
As of November 6, 2026
Save HK$12,532 HKD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$19,598 HKD at MOH London · As of November 2, 2026
View at MOH London

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 6555934929. Listed at 18 retailers as of November 5, 2026, with a 314% 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555934929
Dimensions5.08 × 5.11 × 3.15 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.08 mm5.11 mm0.51 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555934929
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.9%

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$19,598 HKD|Low: HK$3,981 HKD|High: HK$26,106 HKD|Avg: HK$8,397 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 2HK$3,989 HKD
Retailer 9HK$4,859 HKD
Retailer 14HK$4,898 HKD
Retailer 13HK$7,203 HKD
Retailer 11HK$7,971 HKD
Retailer 4HK$9,554 HKD
Retailer 15HK$9,883 HKD
Retailer 10HK$10,706 HKD
Retailer 8HK$11,090 HKD
Retailer 18HK$11,200 HKD
Retailer 7HK$11,521 HKD
Retailer 17HK$12,352 HKD
Retailer 3HK$12,422 HKD
Retailer 5HK$12,689 HKD
Retailer 6HK$13,347 HKD
Retailer 12HK$16,521 HKD
MOH LondonHK$19,598 HKD
Retailer 16HK$26,106 HKD

33 data points across 18 retailers

18 retailersHK$3,989 HKD to HK$16,521 HKD

A
Cheapest Retailer
-
HK$3,989 HKD
A
Retailer 2
-
HK$4,859 HKD
View
A
Retailer 3
-
HK$4,898 HKD
View
B+
Retailer 4
-
HK$7,203 HKD
View
B+
Retailer 5
-
HK$7,971 HKD
View
B
Retailer 6
-
HK$9,554 HKD
View
B
Retailer 7
-
HK$9,883 HKD
View
Final sale: no returns
B
Retailer 8
-
HK$10,706 HKD
View
B
Retailer 9
-
HK$11,090 HKD
View
B
Retailer 10
-
HK$11,200 HKD
View
B
Retailer 11
-
HK$11,521 HKD
View
B
Retailer 12
-
HK$12,352 HKD
View
B
Retailer 13
-
HK$12,422 HKD
View
B
Retailer 14
-
HK$12,689 HKD
View
B
Retailer 15
-
HK$13,347 HKD
View
B
Retailer 16
-
HK$16,521 HKD
View
Most Expensive
MOH London
138C7BBD1 · Nov 2
HK$19,598 HKD
£1,969 GBP
View
Price under review
16 more retailers have this diamond
Prices start from HK$3,989 HKDSave up to HK$12,532 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$3,989 HKD