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Oval|Natural|GIA

0.51ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 6565462888

Certificate GIA 6565462888

Diamond specifications and retailer prices

From $796 AUD
$558 USD
As of November 2, 2026
Save $1,972 AUD (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,768 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565462888. Listed at 15 retailers as of October 30, 2026, with prices from $796 to $2,768, a $1,972 spread on the same certified stone. NZ Jewellers lists it at $2,768. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6565462888
Dimensions6.18 × 4.63 × 2.79 mm
L/W Ratio1.33
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Feather
Top View
6.18 mm4.63 mm0.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565462888
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.2%

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 2
Current: $2,768 AUD|Low: $778 AUD|High: $2,887 AUD|Avg: $1,222 AUD|-4.1%
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 2, 2026
Retailer 10$796 AUD
Retailer 12$826 AUD
Retailer 11$865 AUD
Retailer 6$920 AUD
Retailer 3$950 AUD
Retailer 5$950 AUD
Retailer 4$956 AUD
Retailer 2$997 AUD
Retailer 8$1,061 AUD
Retailer 9$1,062 AUD
Retailer 14$1,112 AUD
Retailer 15$1,156 AUD
Retailer 7$1,412 AUD
Retailer 13$2,050 AUD
NZ Jewellers$2,768 AUD

31 data points across 15 retailers

15 retailers$796 AUD to $2,768 AUD

A
Cheapest Retailer
-
$796 AUD
$558 USD
Final sale: no returns
A
Retailer 2
-
$826 AUD
$579 USD
View
A
Retailer 3
-
$865 AUD
$606 USD
View
Retailer 4
-
$920 AUD
$645 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$950 AUD
$666 USD
View
A
Retailer 6
-
$950 AUD
$666 USD
View
A
Retailer 7
-
$956 AUD
SGD 905 SGD
View
A
Retailer 8
-
$997 AUD
$699 USD
View
B+
Retailer 9
-
$1,061 AUD
£585 GBP
View
B+
Retailer 10
-
$1,062 AUD
£586 GBP
View
B+
Retailer 11
-
$1,112 AUD
$779 USD
View
B+
Retailer 12
-
$1,156 AUD
$810 USD
View
Retailer 13
-
$1,412 AUD
View
Price last confirmed 29 days ago
B
Retailer 14
-
$2,050 AUD
£1,131 GBP
View
Most Expensive
B
NZ Jewellers
c50136d1-cc98-4d49-9767-77b458787b40 · Oct 30
$2,768 AUD
$1,940 USD
View
14 more retailers have this diamond
Prices start from $796 AUDSave up to $1,972 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 Oval
$796 AUD