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Oval|Natural|GIA

1.51ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 1569500791

Certificate GIA 1569500791

Diamond specifications and retailer prices

From $3,874 AUD
As of November 6, 2026
Save $5,386 AUD (58%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,261 AUD at NZ Jewellers · As of November 7, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1569500791. Listed at 17 retailers as of November 6, 2026, with prices from $3,874 to $9,261, a $5,386 spread on the same certified stone. NZ Jewellers lists it at $9,261. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1569500791
Dimensions8.89 × 6.34 × 4.03 mm
L/W Ratio1.40
Girdle conditionFaceted
Top View
8.89 mm6.34 mm1.51 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1569500791
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.7%

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: $9,261 AUD|Low: $3,781 AUD|High: $9,822 AUD|Avg: $5,900 AUD|-5.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 7, 2026
Retailer 5$3,874 AUD
Retailer 9$4,141 AUD
Retailer 4$4,807 AUD
Retailer 11$4,810 AUD
Retailer 7$4,906 AUD
Retailer 12$4,996 AUD
Retailer 2$5,120 AUD
Retailer 17$5,207 AUD
Retailer 15$5,394 AUD
Retailer 13$5,753 AUD
Retailer 10$5,765 AUD
Retailer 8$5,865 AUD
Retailer 6$6,220 AUD
Retailer 16$6,488 AUD
Retailer 14$8,179 AUD
Retailer 3$8,866 AUD
NZ Jewellers$9,261 AUD

23 data points across 17 retailers

17 retailers$3,874 AUD to $9,261 AUD

A
Cheapest Retailer
-
$3,874 AUD
A
Retailer 2
-
$4,141 AUD
View
A
Retailer 3
-
$4,807 AUD
View
A
Retailer 4
-
$4,810 AUD
View
A
Retailer 5
-
$4,906 AUD
View
Final sale: no returns
A
Retailer 6
-
$4,996 AUD
View
A
Retailer 7
-
$5,120 AUD
View
A
Retailer 8
-
$5,207 AUD
View
A
Retailer 9
-
$5,394 AUD
View
B+
Retailer 10
-
$5,753 AUD
View
B+
Retailer 11
-
$5,765 AUD
View
B+
Retailer 12
-
$5,865 AUD
View
B+
Retailer 13
-
$6,220 AUD
View
B+
Retailer 14
-
$6,488 AUD
View
B+
Retailer 15
-
$8,179 AUD
View
B
Retailer 16
-
$8,866 AUD
View
Most Expensive
B
NZ Jewellers
176928f9-5f78-4821-9886-4893f2b51c6c · Nov 7
$9,261 AUD
$6,363 USD
View
16 more retailers have this diamond
Prices start from $3,874 AUDSave up to $5,386 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
1.51ct Oval
$3,874 AUD