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Round|Natural|GIA

0.51ct E I1 Round Natural Diamond

EX • E/I1 • GIA 6542652661

Certificate GIA 6542652661

Diamond specifications and retailer prices

From $580 AUD
₹38,822 INR
As of October 29, 2026
Save $589 AUD (50%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,724 AUD 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 6542652661. Listed at 22 retailers as of October 29, 2026, with a 101% 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 angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6542652661
Dimensions5.13 × 5.15 × 3.14 mm
L/W Ratio1.00
Top View
5.13 mm5.15 mm0.51 ctE / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542652661
Side View
Table 56.0%Crown 33°Girdle: STK-STKPavilion 40.8°Culet: NoneDepth 61.1%

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 29
Current: $2,455 AUD|Low: $576 AUD|High: $2,455 AUD|Avg: $977 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 3$580 AUD
Retailer 5$656 AUD
Retailer 6$783 AUD
Retailer 4$844 AUD
Retailer 7$904 AUD
Retailer 8$952 AUD
Retailer 2$1,169 AUD
NZ Jewellers$2,455 AUD

43 data points across 8 retailers

22 retailers$580 AUD to $1,169 AUD

A
Cheapest Retailer
-
$580 AUD
₹38,822 INR
A
Retailer 2
-
$656 AUD
HK$3,600 HKD
View
Retailer 3
-
$783 AUD
$550 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$783 AUD
$550 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$783 AUD
$550 USD
View
Retailer 6
-
$844 AUD
$593 USD
View
Price last confirmed 15 days ago
B+
Retailer 7
-
$844 AUD
$593 USD
View
Retailer 8
-
$844 AUD
$593 USD
View
Price last confirmed 18 days ago
B+
Retailer 9
-
$844 AUD
$593 USD
View
Retailer 10
-
$868 AUD
$610 USD
View
Price last confirmed 22 days ago
Retailer 11
-
$868 AUD
$610 USD
View
Price last confirmed 28 days ago
Retailer 12
-
$904 AUD
$635 USD
View
Price last confirmed 9 days ago
Retailer 13
-
$904 AUD
$635 USD
View
Price last confirmed 18 days ago
Retailer 14
-
$935 AUD
$657 USD
View
Price last confirmed 31 days ago
B+
Retailer 15
-
$952 AUD
$669 USD
View
Retailer 16
-
$1,002 AUD
$704 USD
View
Price last confirmed 30 days ago
Retailer 17
-
$1,002 AUD
$704 USD
View
Price last confirmed 26 days ago
B+
Retailer 18
-
$1,169 AUD
€782 EUR
View
Retailer 19
-
$2,455 AUD
$1,725 USD
View
Price last confirmed 16 days ago
Retailer 20
-
$2,455 AUD
$1,725 USD
View
Price last confirmed 10 days ago
Retailer 21
-
$2,724 AUD
$1,914 USD
View
Price last confirmed 27 days ago
Most Expensive
NZ Jewellers
575f6d36-abc6-4763-855d-b5d4fb2fee6f · Sep 28
$2,724 AUD
$1,914 USD
View
Price last confirmed 32 days ago
21 more retailers have this diamond
Prices start from $580 AUDSave up to $589 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
$580 AUD