Round|Natural|GIA

0.51ct F IF Round Natural Diamond

EX • F/IF • GIA 1457509660

Certificate GIA 1457509660

Diamond specifications and retailer prices

From HK$12,694 HKD
As of November 5, 2026
Save HK$7,712 HKD (38%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$34,456 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1457509660. Listed at 20 retailers as of November 5, 2026, with a 61% 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
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1457509660
Dimensions5.15 × 5.13 × 3.18 mm
L/W Ratio1.00
Girdle conditionFaceted
Key to symbols
Minor Details of Polish
Top View
5.15 mm5.13 mm0.51 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1457509660
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.0%

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$20,405 HKD|Low: HK$11,556 HKD|High: HK$29,216 HKD|Avg: HK$18,085 HKD|+2.0%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 17HK$12,631 HKD
Retailer 10HK$12,694 HKD
Retailer 6HK$13,604 HKD
Retailer 12HK$13,698 HKD
Retailer 15HK$15,157 HKD
Retailer 4HK$15,298 HKD
Retailer 5HK$15,432 HKD
Retailer 9HK$16,632 HKD
Retailer 13HK$16,632 HKD
Retailer 18HK$17,181 HKD
Retailer 3HK$19,323 HKD
Retailer 8HK$19,385 HKD
Retailer 11HK$19,739 HKD
Retailer 16HK$20,319 HKD
Retailer 1HK$20,405 HKD
Retailer 7HK$23,787 HKD
Retailer 2HK$25,128 HKD
Retailer 14HK$29,137 HKD

40 data points across 18 retailers

20 retailersHK$12,694 HKD to HK$20,405 HKD

B+
Cheapest Retailer
-
HK$12,694 HKD
B+
Retailer 2
-
HK$13,698 HKD
View
Retailer 3
-
HK$14,310 HKD
View
Price last confirmed 117 days ago
Retailer 4
-
HK$14,929 HKD
View
Price last confirmed 29 days ago
Retailer 5
-
HK$14,929 HKD
View
Price last confirmed 29 days ago
B+
Retailer 6
-
HK$15,157 HKD
View
Retailer 7
-
HK$15,620 HKD
View
Price last confirmed 38 days ago
B
Retailer 8
-
HK$16,632 HKD
View
B
Retailer 9
-
HK$16,632 HKD
View
B
Retailer 10
-
HK$17,181 HKD
View
Retailer 11
-
HK$17,228 HKD
View
Price last confirmed 38 days ago
B
Retailer 12
-
HK$18,067 HKD
View
Retailer 13
-
HK$19,385 HKD
View
Price last confirmed 29 days ago
B
Retailer 14
-
HK$19,739 HKD
View
Retailer 15
-
HK$20,319 HKD
View
Price last confirmed 32 days ago
B
Retailer 16
-
HK$20,405 HKD
View
Retailer 17
-
HK$23,787 HKD
View
Price last confirmed 29 days ago
Retailer 18
-
HK$25,128 HKD
View
Price last confirmed 37 days ago
Retailer 19
-
HK$29,137 HKD
View
Price last confirmed 29 days ago
Most Expensive
NZ Jewellers
d607df6b-0705-4995-996c-04bec556a736 · Sep 28
HK$34,456 HKD
$4,392 USD
View
Price under review
19 more retailers have this diamond
Prices start from HK$12,694 HKDSave up to HK$7,712 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$12,694 HKD