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Oval|Natural|GIA

0.51ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 6565300031

Certificate GIA 6565300031

Diamond specifications and retailer prices

From $1,079 AUD
$758 USD
As of November 2, 2026
10 retailers carry this diamond
Most expensive: $2,822 AUD at NZ Jewellers · As of October 23, 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 6565300031. Listed at 10 retailers as of November 2, 2026. 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
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6565300031
Dimensions6.44 × 4.34 × 2.77 mm
L/W Ratio1.48
Girdle conditionVery Thick
Top View
6.44 mm4.34 mm0.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565300031
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 63.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,822 AUD|Low: $575 AUD|High: $2,850 AUD|Avg: $1,292 AUD|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 24, 2026
Retailer 12$632 AUD
Retailer 6$675 AUD
Retailer 10$1,018 AUD
Retailer 5$1,049 AUD
Retailer 4$1,079 AUD
Retailer 11$1,087 AUD
Retailer 2$1,105 AUD
Retailer 8$1,314 AUD
Retailer 3$1,367 AUD
Retailer 7$1,373 AUD
Retailer 9$2,088 AUD
NZ Jewellers$2,822 AUD

26 data points across 12 retailers

10 retailers

Retailer 1
-
$675 AUD
₹45,143 INR
Price last confirmed 10 days ago
Retailer 2
-
$1,018 AUD
$715 USD
View
Price last confirmed 10 days ago
Retailer 3
-
$1,049 AUD
£580 GBP
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$1,079 AUD
$758 USD
View
Retailer 5
-
$1,087 AUD
$764 USD
View
Price last confirmed 15 days ago
Retailer 6
-
$1,105 AUD
£611 GBP
View
Price last confirmed 9 days ago
Retailer 7
-
$1,367 AUD
View
Price last confirmed 29 days ago
Retailer 8
-
$1,373 AUD
ZAR 15,579 ZAR
View
Price last confirmed 12 days ago
Retailer 9
-
$2,088 AUD
£1,155 GBP
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
b89befe1-dab5-4dbc-97ee-e8bfcf4c71b3 · Oct 23
$2,822 AUD
$1,982 USD
View
Price last confirmed 9 days ago
9 more retailers have this diamond
Prices start from $1,079 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.

B+
0.51ct Oval
$1,079 AUD