Round|Natural|GIA

0.51ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 3335726797

Certificate GIA 3335726797

Diamond specifications and retailer prices

From HK$3,287 HKD
As of November 6, 2026
Save HK$2,730 HKD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$14,074 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3335726797. Listed at 15 retailers as of November 2, 2026, with a 83% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3335726797
Dimensions5.12 × 5.11 × 3.18 mm
L/W Ratio1.00
Top View
5.12 mm5.11 mm0.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3335726797
Side View
Table 55.0%CrownGirdle: ThickPavilionCulet: NoneDepth 62.2%

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$14,074 HKD|Low: HK$3,287 HKD|High: HK$14,074 HKD|Avg: HK$5,959 HKD
NZ Jewellers
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
November 6, 2026
Retailer 2HK$3,287 HKD
Retailer 14HK$4,487 HKD
Retailer 5HK$4,629 HKD
Retailer 9HK$4,762 HKD
Retailer 7HK$4,833 HKD
Retailer 13HK$4,833 HKD
Retailer 15HK$4,833 HKD
Retailer 4HK$5,178 HKD
Retailer 10HK$5,225 HKD
Retailer 12HK$5,429 HKD
Retailer 3HK$5,515 HKD
Retailer 6HK$5,547 HKD
Retailer 8HK$6,017 HKD
Retailer 11HK$10,418 HKD
NZ JewellersHK$14,074 HKD

39 data points across 15 retailers

15 retailersHK$3,287 HKD to HK$6,017 HKD

A
Cheapest Retailer
-
HK$3,287 HKD
Retailer 2
-
HK$4,487 HKD
View
Price last confirmed 15 days ago
Retailer 3
-
HK$4,629 HKD
View
Price last confirmed 30 days ago
Retailer 4
-
HK$4,833 HKD
View
Price last confirmed 17 days ago
Retailer 5
-
HK$4,833 HKD
View
Price last confirmed 22 days ago
Retailer 6
-
HK$4,833 HKD
View
Price last confirmed 21 days ago
Retailer 7
-
HK$5,178 HKD
View
Price last confirmed 68 days ago
Retailer 8
-
HK$5,178 HKD
View
Price last confirmed 17 days ago
Retailer 9
-
HK$5,225 HKD
View
Price last confirmed 15 days ago
Retailer 10
-
HK$5,429 HKD
View
Price last confirmed 15 days ago
Retailer 11
-
HK$5,515 HKD
View
Price last confirmed 19 days ago
B+
Retailer 12
-
HK$6,017 HKD
View
Retailer 13
-
HK$10,418 HKD
View
Price last confirmed 16 days ago
Retailer 14
-
HK$14,074 HKD
View
Price last confirmed 69 days ago
Most Expensive
NZ Jewellers
8f74cdf0-1390-4605-a88a-9cf302843254 · Oct 20
HK$14,074 HKD
$1,794 USD
View
Price last confirmed 17 days ago
14 more retailers have this diamond
Prices start from HK$3,287 HKDSave up to HK$2,730 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$3,287 HKD