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Round|Natural|GIA

0.51ct E I1 Round Natural Diamond

VG • E/I1 • GIA 6442672642

Certificate GIA 6442672642

Diamond specifications and retailer prices

From HK$3,414 HKD
As of October 30, 2026
Save HK$9,092 HKD (73%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$12,506 HKD at NZ Jewellers · As of October 30, 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 very-good cut grade and certified by GIA 6442672642. Listed at 7 retailers as of October 30, 2026, with prices from HK$3,414 to HK$12,506, a HK$9,092 spread on the same certified stone. NZ Jewellers lists it at HK$12,506. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
E
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 6442672642
Dimensions4.95 × 5.02 × 3.19 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
4.95 mm5.02 mm0.51 ctE / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6442672642
Side View
Table 58.0%Crown 37.5°Girdle: VTN-THKPavilion 40.2°Culet: NoneDepth 63.9%

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: Oct 30
Current: HK$12,506 HKD|Low: HK$3,414 HKD|High: HK$12,702 HKD|Avg: HK$5,839 HKD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 8HK$3,414 HKD
Retailer 3HK$3,986 HKD
Retailer 4HK$4,292 HKD
Retailer 5HK$4,292 HKD
Retailer 7HK$4,481 HKD
Retailer 6HK$4,605 HKD
Retailer 9HK$5,123 HKD
Retailer 2HK$5,989 HKD
Retailer 10HK$6,103 HKD
NZ JewellersHK$12,506 HKD

29 data points across 10 retailers

7 retailersHK$3,414 HKD to HK$12,506 HKD

A
Cheapest Retailer
-
HK$3,414 HKD
A
Retailer 2
-
HK$3,986 HKD
$508 USD
View
A
Retailer 3
-
HK$4,292 HKD
$547 USD
View
A
Retailer 4
-
HK$4,292 HKD
$547 USD
View
B+
Retailer 5
-
HK$4,605 HKD
$587 USD
View
B
Retailer 6
-
HK$5,989 HKD
€727 EUR
View
Most Expensive
B
NZ Jewellers
96e868c5-1df9-49b9-98a8-9ec458d2872e · Oct 30
HK$12,506 HKD
$1,594 USD
View
6 more retailers have this diamond
Prices start from HK$3,414 HKDSave up to HK$9,092 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$3,414 HKD