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Oval|Natural|GIA

1.51ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 2205669294

Shape and cutting style on the report: Oval brilliant

Certificate GIA 2205669294

Diamond specifications and retailer prices

From $8,860 AUD
As of November 5, 2026
Save $10,274 AUD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $19,134 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two 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 2205669294. Listed at 17 retailers as of November 5, 2026, with prices from $8,860 to $19,134, a $10,274 spread on the same certified stone. NZ Jewellers lists it at $19,134. 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

1.51
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2205669294
Dimensions8.75 × 6.53 × 4.09 mm
L/W Ratio1.34
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
8.75 mm6.53 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2205669294
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $19,134 AUD|Low: $8,929 AUD|High: $19,134 AUD|Avg: $11,724 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6$8,929 AUD
Retailer 7$9,038 AUD
Retailer 3$9,566 AUD
Retailer 9$9,646 AUD
Retailer 11$10,364 AUD
Retailer 8$10,524 AUD
Retailer 4$10,680 AUD
Retailer 2$11,781 AUD
Retailer 10$11,959 AUD
Retailer 5$15,900 AUD
NZ Jewellers$19,134 AUD

44 data points across 11 retailers

17 retailers$8,860 AUD to $19,134 AUD

B
Cheapest Retailer
-
$8,860 AUD
Retailer 2
-
$8,929 AUD
View
Price last confirmed 9 days ago
B
Retailer 3
-
$9,038 AUD
View
B
Retailer 4
-
$9,502 AUD
View
Retailer 5
-
$9,566 AUD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$9,646 AUD
View
B
Retailer 7
-
$10,364 AUD
View
B
Retailer 8
-
$10,524 AUD
View
B
Retailer 9
-
$10,680 AUD
View
B
Retailer 10
-
$10,936 AUD
View
B
Retailer 11
-
$11,469 AUD
View
B
Retailer 12
-
$11,469 AUD
View
B
Retailer 13
-
$11,781 AUD
View
B
Retailer 14
-
$11,847 AUD
View
B
Retailer 15
-
$11,959 AUD
View
B
Retailer 16
-
$15,900 AUD
View
Most Expensive
B
NZ Jewellers
53bf81d3-dcde-4e57-ac7d-922f6235a149 · Nov 5
$19,134 AUD
$13,147 USD
View
16 more retailers have this diamond
Prices start from $8,860 AUDSave up to $10,274 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
1.51ct Oval
$8,860 AUD