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Oval|Natural|GIA

1.26ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 1535255578

Certificate GIA 1535255578

Diamond specifications and retailer prices

From $3,385 AUD
As of November 6, 2026
Save $4,315 AUD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $7,701 AUD at NZ Jewellers · As of November 7, 2026
View at NZ Jewellers

About this 1.26ct natural oval diamond

This 1.26ct natural oval sits in the one-and-a-quarter to one-and-a-half 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 1535255578. Listed at 20 retailers as of November 6, 2026, with prices from $3,385 to $7,701, a $4,315 spread on the same certified stone. NZ Jewellers lists it at $7,701. 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

1.26
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle41.3°
OriginNatural
Grading LabGIA
CertificateGIA 1535255578
Dimensions8.58 × 6.11 × 3.84 mm
L/W Ratio1.40
Girdle conditionFaceted
Top View
8.58 mm6.11 mm1.26 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1535255578
Side View
Table 61.0%CrownGirdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.9%

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: $7,701 AUD|Low: $3,358 AUD|High: $8,155 AUD|Avg: $5,170 AUD
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
Retailer 18
Retailer 19
Retailer 20
November 7, 2026
Retailer 11$3,385 AUD
Retailer 8$3,877 AUD
Retailer 7$3,949 AUD
Retailer 12$4,029 AUD
Retailer 10$4,128 AUD
Retailer 2$4,192 AUD
Retailer 14$4,323 AUD
Retailer 9$4,388 AUD
Retailer 19$4,388 AUD
Retailer 16$4,612 AUD
Retailer 4$4,614 AUD
Retailer 20$4,614 AUD
Retailer 3$4,759 AUD
Retailer 6$5,021 AUD
Retailer 18$5,174 AUD
Retailer 17$5,264 AUD
Retailer 13$5,760 AUD
Retailer 5$6,434 AUD
Retailer 15$7,353 AUD
NZ Jewellers$7,701 AUD

42 data points across 20 retailers

20 retailers$3,385 AUD to $7,701 AUD

A
Cheapest Retailer
-
$3,385 AUD
B+
Retailer 2
-
$3,877 AUD
View
B+
Retailer 3
-
$3,949 AUD
View
B+
Retailer 4
-
$4,029 AUD
View
Final sale: no returns
B+
Retailer 5
-
$4,128 AUD
View
B+
Retailer 6
-
$4,192 AUD
View
B+
Retailer 7
-
$4,323 AUD
View
B+
Retailer 8
-
$4,388 AUD
View
B+
Retailer 9
-
$4,388 AUD
View
B+
Retailer 10
-
$4,612 AUD
View
B+
Retailer 11
-
$4,614 AUD
View
B+
Retailer 12
-
$4,614 AUD
View
B+
Retailer 13
-
$4,759 AUD
View
B
Retailer 14
-
$5,021 AUD
View
B+
Retailer 15
-
$5,174 AUD
View
B+
Retailer 16
-
$5,264 AUD
View
B
Retailer 17
-
$5,760 AUD
View
B
Retailer 18
-
$6,434 AUD
View
B
Retailer 19
-
$7,353 AUD
View
Most Expensive
B
NZ Jewellers
5f0002ef-21a3-47f2-8d24-ae64bb36df46 · Nov 7
$7,701 AUD
$5,291 USD
View
19 more retailers have this diamond
Prices start from $3,385 AUDSave up to $4,315 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
1.26ct Oval
$3,385 AUD