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Round|Natural|GIA

0.51ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 7548843175

Certificate GIA 7548843175

Diamond specifications and retailer prices

From HK$3,264 HKD
As of November 5, 2026
Save HK$10,552 HKD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$13,815 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7548843175. Listed at 15 retailers as of November 4, 2026, with prices from HK$3,264 to HK$13,815, a HK$10,552 spread on the same certified stone. NZ Jewellers lists it at HK$13,815. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7548843175
Dimensions5.08 × 5.10 × 3.19 mm
L/W Ratio1.00
Key to symbols
Crystal, Feather, Cloud
Top View
5.08 mm5.10 mm0.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7548843175
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°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 5
Current: HK$13,815 HKD|Low: HK$3,264 HKD|High: HK$14,019 HKD|Avg: HK$5,952 HKD|-1.5%
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 9HK$3,264 HKD
Retailer 5HK$3,515 HKD
Retailer 15HK$3,711 HKD
Retailer 4HK$4,401 HKD
Retailer 6HK$4,691 HKD
Retailer 14HK$4,746 HKD
Retailer 7HK$4,817 HKD
Retailer 13HK$5,084 HKD
Retailer 2HK$5,311 HKD
Retailer 3HK$5,437 HKD
Retailer 12HK$6,135 HKD
Retailer 8HK$6,386 HKD
Retailer 10HK$6,496 HKD
Retailer 11HK$10,160 HKD
NZ JewellersHK$13,815 HKD

23 data points across 15 retailers

15 retailersHK$3,264 HKD to HK$13,815 HKD

A
Cheapest Retailer
-
HK$3,264 HKD
A
Retailer 2
-
HK$3,515 HKD
View
A
Retailer 3
-
HK$3,711 HKD
View
A
Retailer 4
-
HK$4,401 HKD
View
Retailer 5
-
HK$4,691 HKD
View
Price last confirmed 10 days ago
A
Retailer 6
-
HK$4,746 HKD
View
Retailer 7
-
HK$4,817 HKD
View
Price last confirmed 8 days ago
A
Retailer 8
-
HK$5,084 HKD
View
A
Retailer 9
-
HK$5,311 HKD
View
A
Retailer 10
-
HK$5,437 HKD
View
A
Retailer 11
-
HK$6,135 HKD
View
A
Retailer 12
-
HK$6,386 HKD
View
A
Retailer 13
-
HK$6,496 HKD
View
B+
Retailer 14
-
HK$10,160 HKD
View
Most Expensive
B
NZ Jewellers
af7a02a7-a6b1-4607-a4ea-14e3f6cbacf7 · Nov 4
HK$13,815 HKD
$1,761 USD
View
14 more retailers have this diamond
Prices start from HK$3,264 HKDSave up to HK$10,552 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$3,264 HKD