Round|Natural|GIA

0.51ct L SI2 Round Natural Diamond

EX • L/SI2 • GIA 6525636856

Certificate GIA 6525636856

Diamond specifications and retailer prices

From HK$1,749 HKD
As of November 6, 2026
Save HK$8,928 HKD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$10,677 HKD at NZ Jewellers · As of November 4, 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 L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6525636856. Listed at 13 retailers as of November 4, 2026, with prices from HK$1,749 to HK$10,677, a HK$8,928 spread on the same certified stone. NZ Jewellers lists it at HK$10,677. 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
L
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6525636856
Dimensions5.12 × 5.08 × 3.20 mm
L/W Ratio1.01
Key to symbols
Crystal
Top View
5.12 mm5.08 mm0.51 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6525636856
Side View
Table 57.0%Crown 36.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.7%

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$10,677 HKD|Low: HK$1,749 HKD|High: HK$10,748 HKD|Avg: HK$3,630 HKD|+13.7%
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
November 6, 2026
Retailer 2HK$1,749 HKD
Retailer 5HK$2,103 HKD
Retailer 11HK$2,354 HKD
Retailer 4HK$2,628 HKD
Retailer 13HK$2,644 HKD
Retailer 8HK$2,965 HKD
Retailer 12HK$3,099 HKD
Retailer 10HK$3,169 HKD
Retailer 7HK$3,373 HKD
Retailer 3HK$3,985 HKD
Retailer 9HK$4,040 HKD
Retailer 6HK$4,660 HKD
NZ JewellersHK$10,677 HKD

19 data points across 13 retailers

13 retailersHK$1,749 HKD to HK$10,677 HKD

A
Cheapest Retailer
-
HK$1,749 HKD
A
Retailer 2
-
HK$2,103 HKD
View
A
Retailer 3
-
HK$2,354 HKD
View
Retailer 4
-
HK$2,628 HKD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$2,644 HKD
View
A
Retailer 6
-
HK$2,965 HKD
View
A
Retailer 7
-
HK$3,099 HKD
View
A
Retailer 8
-
HK$3,169 HKD
View
B+
Retailer 9
-
HK$3,373 HKD
View
B+
Retailer 10
-
HK$3,985 HKD
View
B+
Retailer 11
-
HK$4,040 HKD
View
B+
Retailer 12
-
HK$4,660 HKD
View
Most Expensive
C
NZ Jewellers
3b2466e1-a7bf-4887-844f-bb91cdcbcbbe · Nov 4
HK$10,677 HKD
$1,361 USD
View
12 more retailers have this diamond
Prices start from HK$1,749 HKDSave up to HK$8,928 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$1,749 HKD