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Oval|Natural|GIA

0.51ct D SI2 Oval Natural Diamond

EX • D/SI2 • GIA 2566335237

Certificate GIA 2566335237

Diamond specifications and retailer prices

From $669 AUD
As of November 6, 2026
Save $2,313 AUD (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,982 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 2566335237. Listed at 9 retailers as of November 5, 2026, with prices from $669 to $2,982, a $2,313 spread on the same certified stone. NZ Jewellers lists it at $2,982. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566335237
Dimensions6.22 × 4.42 × 2.83 mm
L/W Ratio1.41
Girdle conditionThick
Top View
6.22 mm4.42 mm0.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566335237
Side View
Table 60.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 63.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,982 AUD|Low: $706 AUD|High: $2,982 AUD|Avg: $1,506 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$706 AUD
Retailer 3$1,129 AUD
Retailer 7$1,142 AUD
Retailer 5$1,153 AUD
Retailer 4$1,388 AUD
Retailer 6$2,193 AUD
NZ Jewellers$2,982 AUD

29 data points across 7 retailers

9 retailers$669 AUD to $2,982 AUD

A
Cheapest Retailer
-
$669 AUD
Final sale: no returns
A
Retailer 2
-
$706 AUD
View
A
Retailer 3
-
$1,129 AUD
View
A
Retailer 4
-
$1,129 AUD
View
A
Retailer 5
-
$1,142 AUD
View
B+
Retailer 6
-
$1,153 AUD
View
B+
Retailer 7
-
$1,388 AUD
View
B
Retailer 8
-
$2,193 AUD
View
Most Expensive
B
NZ Jewellers
e0395f84-63db-435b-8d2c-f4265a83fb46 · Nov 5
$2,982 AUD
$2,049 USD
View
8 more retailers have this diamond
Prices start from $669 AUDSave up to $2,313 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
$669 AUD