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Oval|Natural|GIA

0.51ct D SI2 Oval Natural Diamond

ID • D/SI2 • GIA 1232839979

Certificate GIA 1232839979

Diamond specifications and retailer prices

From $933 AUD
As of November 6, 2026
Save $2,240 AUD (71%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,173 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1232839979. Listed at 10 retailers as of November 5, 2026, with prices from $933 to $3,173, a $2,240 spread on the same certified stone. NZ Jewellers lists it at $3,173. 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
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1232839979
Dimensions6.08 × 4.46 × 2.82 mm
L/W Ratio1.36
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
6.08 mm4.46 mm0.51 ctD / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1232839979
Side View
Table 58.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 63.2%

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 6
Current: $3,173 AUD|Low: $933 AUD|High: $3,173 AUD|Avg: $1,443 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$933 AUD
Retailer 6$1,012 AUD
Retailer 8$1,012 AUD
Retailer 9$1,051 AUD
Retailer 7$1,167 AUD
Retailer 2$1,201 AUD
Retailer 3$1,228 AUD
Retailer 5$1,438 AUD
Retailer 4$2,332 AUD
NZ Jewellers$3,173 AUD

35 data points across 10 retailers

10 retailers$933 AUD to $3,173 AUD

A
Cheapest Retailer
-
$933 AUD
Final sale: no returns
Retailer 2
-
$1,012 AUD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$1,012 AUD
View
A
Retailer 4
-
$1,051 AUD
View
B+
Retailer 5
-
$1,167 AUD
View
B+
Retailer 6
-
$1,201 AUD
View
B+
Retailer 7
-
$1,228 AUD
View
B+
Retailer 8
-
$1,438 AUD
View
B
Retailer 9
-
$2,332 AUD
View
Most Expensive
B
NZ Jewellers
d41d7d21-49b4-4767-8e36-3d4227f7abbf · Nov 5
$3,173 AUD
$2,180 USD
View
9 more retailers have this diamond
Prices start from $933 AUDSave up to $2,240 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
$933 AUD