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Oval|Natural|GIA

0.51ct G SI2 Oval Natural Diamond

GD • G/SI2 • GIA 7558303569

Certificate GIA 7558303569

Diamond specifications and retailer prices

From $815 AUD
As of November 6, 2026
Save $489 AUD (38%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,771 AUD at NZ Jewellers · As of September 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 SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 7558303569. Listed at 12 retailers as of November 2, 2026, with a 60% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7558303569
Dimensions6.54 × 4.35 × 2.64 mm
L/W Ratio1.50
Key to symbols
Feather, Crystal
Top View
6.54 mm4.35 mm0.51 ctG / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 7558303569
Side View
Table 54.0%CrownGirdlePavilionCulet: NoneDepth 60.8%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $1,076 AUD|Low: $747 AUD|High: $2,065 AUD|Avg: $1,074 AUD|+5.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 9$815 AUD
Retailer 11$837 AUD
Retailer 6$875 AUD
Retailer 12$883 AUD
Retailer 2$952 AUD
Retailer 10$977 AUD
Retailer 13$1,020 AUD
Retailer 3$1,062 AUD
Retailer 1$1,076 AUD
Retailer 4$1,076 AUD
Retailer 5$1,116 AUD
Retailer 7$1,304 AUD
Retailer 8$2,051 AUD

39 data points across 13 retailers

12 retailers$815 AUD to $1,304 AUD

B+
Cheapest Retailer
-
$815 AUD
Final sale: no returns
B+
Retailer 2
-
$875 AUD
View
Retailer 3
-
$883 AUD
View
Price last confirmed 30 days ago
Retailer 4
-
$952 AUD
View
Price last confirmed 30 days ago
Retailer 5
-
$952 AUD
View
Price last confirmed 39 days ago
Retailer 6
-
$1,020 AUD
View
Price last confirmed 39 days ago
B+
Retailer 7
-
$1,062 AUD
View
B+
Retailer 8
-
$1,076 AUD
View
B+
Retailer 9
-
$1,076 AUD
View
B
Retailer 10
-
$1,304 AUD
View
Retailer 11
-
$2,051 AUD
View
Price last confirmed 21 days ago
Most Expensive
NZ Jewellers
a7b5e038-3f58-4681-a914-f1fc28b51387 · Sep 30
$2,771 AUD
$1,904 USD
View
Price last confirmed 38 days ago
11 more retailers have this diamond
Prices start from $815 AUDSave up to $489 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
$815 AUD