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Oval|Natural|GIA

0.51ct G SI2 Oval Natural Diamond

GD • G/SI2 • GIA 6521187954

Certificate GIA 6521187954

Diamond specifications and retailer prices

From $787 AUD
As of November 6, 2026
Save $2,167 AUD (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,954 AUD at NZ Jewellers · As of November 5, 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 6521187954. Listed at 10 retailers as of November 5, 2026, with prices from $787 to $2,954, a $2,167 spread on the same certified stone. NZ Jewellers lists it at $2,954. 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
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6521187954
Dimensions6.27 × 4.49 × 2.77 mm
L/W Ratio1.40
Top View
6.27 mm4.49 mm0.51 ctG / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6521187954
Side View
Table 59.0%CrownGirdle: UND-UNDPavilionCulet: NoneDepth 61.7%

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 6
Current: $2,954 AUD|Low: $722 AUD|High: $3,164 AUD|Avg: $1,467 AUD|-6.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 6$787 AUD
Retailer 7$854 AUD
Retailer 5$920 AUD
Retailer 9$984 AUD
Retailer 8$985 AUD
Retailer 2$1,160 AUD
Retailer 4$1,386 AUD
Retailer 3$2,173 AUD
Retailer 10$2,246 AUD
NZ Jewellers$2,954 AUD

43 data points across 10 retailers

10 retailers$787 AUD to $2,954 AUD

A
Cheapest Retailer
-
$787 AUD
Final sale: no returns
B+
Retailer 2
-
$854 AUD
View
B+
Retailer 3
-
$920 AUD
View
B+
Retailer 4
-
$924 AUD
View
B+
Retailer 5
-
$985 AUD
View
B
Retailer 6
-
$1,160 AUD
View
B
Retailer 7
-
$1,386 AUD
View
B
Retailer 8
-
$2,173 AUD
View
C
Retailer 9
-
$2,246 AUD
View
Most Expensive
C
NZ Jewellers
4b51fec2-089f-4d78-b7ed-12faccbf937a · Nov 5
$2,954 AUD
$2,030 USD
View
9 more retailers have this diamond
Prices start from $787 AUDSave up to $2,167 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
$787 AUD