Round|Natural|GIA

0.51ct E I1 Round Natural Diamond

EX • E/I1 • GIA 6552701775

Certificate GIA 6552701775

Diamond specifications and retailer prices

From HK$4,974 HKD
$634 USD
As of October 29, 2026
Save HK$1,674 HKD (25%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$14,052 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 E colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6552701775. Listed at 9 retailers as of October 29, 2026, with a 34% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
E
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6552701775
Dimensions5.07 × 5.11 × 3.18 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Feather
Top View
5.07 mm5.11 mm0.51 ctE / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552701775
Side View
Table 57.0%Crown 35.5°Girdle: STK-STKPavilion 41°Culet: NoneDepth 62.5%

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: Oct 29
Current: HK$6,648 HKD|Low: HK$4,974 HKD|High: HK$7,414 HKD|Avg: HK$5,822 HKD|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 2HK$4,974 HKD
Retailer 3HK$5,257 HKD
Retailer 4HK$5,257 HKD
Retailer 5HK$5,414 HKD
Retailer 1HK$6,648 HKD
Retailer 6HK$7,414 HKD

17 data points across 6 retailers

9 retailersHK$4,974 HKD to HK$6,648 HKD

Retailer 1
-
HK$4,056 HKD
$517 USD
Price last confirmed 23 days ago
Retailer 2
-
HK$4,527 HKD
$577 USD
View
Price last confirmed 31 days ago
Retailer 3
-
HK$4,684 HKD
$597 USD
View
Price last confirmed 21 days ago
B+
Retailer 4
-
HK$4,974 HKD
$634 USD
View
B+
Retailer 5
-
HK$5,257 HKD
$670 USD
View
B+
Retailer 6
-
HK$5,257 HKD
$670 USD
View
B+
Retailer 7
-
HK$5,414 HKD
$690 USD
View
B+
Retailer 8
-
HK$6,648 HKD
€807 EUR
View
Most Expensive
NZ Jewellers
b56206ba-e8a8-4595-b76b-bc1c7bae313d · Sep 28
HK$14,052 HKD
$1,791 USD
View
Price last confirmed 32 days ago
8 more retailers have this diamond
Prices start from HK$4,974 HKDSave up to HK$1,674 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$4,974 HKD