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Oval|Natural|GIA

0.51ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 1563634619

Certificate GIA 1563634619

Diamond specifications and retailer prices

From $383 AUD
As of November 6, 2026
Save $1,767 AUD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,150 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1563634619. Listed at 11 retailers as of November 5, 2026, with prices from $383 to $2,150, a $1,767 spread on the same certified stone. NZ Jewellers lists it at $2,150. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1563634619
Dimensions6.31 × 4.40 × 2.80 mm
L/W Ratio1.43
Girdle conditionVery Thick
Top View
6.31 mm4.40 mm0.51 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1563634619
Side View
Table 62.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 63.6%

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: $2,150 AUD|Low: $383 AUD|High: $2,150 AUD|Avg: $915 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9$383 AUD
Retailer 2$409 AUD
Retailer 3$665 AUD
Retailer 5$719 AUD
Retailer 7$751 AUD
Retailer 8$790 AUD
Retailer 4$1,016 AUD
Retailer 6$1,294 AUD
NZ Jewellers$2,150 AUD

15 data points across 9 retailers

11 retailers$383 AUD to $2,150 AUD

A
Cheapest Retailer
-
$383 AUD
Final sale: no returns
A
Retailer 2
-
$409 AUD
View
A
Retailer 3
-
$509 AUD
View
A
Retailer 4
-
$600 AUD
View
A
Retailer 5
-
$665 AUD
View
B+
Retailer 6
-
$719 AUD
View
B+
Retailer 7
-
$751 AUD
View
B+
Retailer 8
-
$790 AUD
View
B
Retailer 9
-
$1,016 AUD
View
B
Retailer 10
-
$1,294 AUD
View
Most Expensive
C
NZ Jewellers
42ceb6c8-dc17-4839-8cc2-f7878c85428c · Nov 5
$2,150 AUD
$1,477 USD
View
10 more retailers have this diamond
Prices start from $383 AUDSave up to $1,767 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
$383 AUD