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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 $619 AUD
HK$3,400 HKD
As of October 30, 2026
Save $1,649 AUD (73%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,269 AUD 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 $619 to $2,269, a $1,649 spread on the same certified stone. NZ Jewellers lists it at $2,269. 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: $2,269 AUD|Low: $619 AUD|High: $2,304 AUD|Avg: $1,060 AUD|-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 8$619 AUD
Retailer 3$723 AUD
Retailer 4$779 AUD
Retailer 5$779 AUD
Retailer 7$813 AUD
Retailer 6$836 AUD
Retailer 9$929 AUD
Retailer 2$1,087 AUD
Retailer 10$1,107 AUD
NZ Jewellers$2,269 AUD

30 data points across 10 retailers

7 retailers$619 AUD to $2,269 AUD

A
Cheapest Retailer
-
$619 AUD
HK$3,400 HKD
A
Retailer 2
-
$723 AUD
$508 USD
View
A
Retailer 3
-
$779 AUD
$547 USD
View
A
Retailer 4
-
$779 AUD
$547 USD
View
B+
Retailer 5
-
$836 AUD
$587 USD
View
B
Retailer 6
-
$1,087 AUD
€727 EUR
View
Most Expensive
B
NZ Jewellers
96e868c5-1df9-49b9-98a8-9ec458d2872e · Oct 30
$2,269 AUD
$1,594 USD
View
6 more retailers have this diamond
Prices start from $619 AUDSave up to $1,649 AUD

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
$619 AUD