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Oval|Natural|GIA

1.23ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 5536897286

Certificate GIA 5536897286

Diamond specifications and retailer prices

From $2,682 AUD
As of November 2, 2026
Save $4,944 AUD (65%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,626 AUD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.23ct natural oval diamond

This 1.23ct natural oval sits in the classic one-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 5536897286. Listed at 17 retailers as of November 2, 2026, with prices from $2,682 to $7,626, a $4,944 spread on the same certified stone. NZ Jewellers lists it at $7,626. 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

1.23
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle39.9°
OriginNatural
Grading LabGIA
CertificateGIA 5536897286
Dimensions8.23 × 5.95 × 3.85 mm
L/W Ratio1.38
Top View
8.23 mm5.95 mm1.23 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5536897286
Side View
Table 58.0%CrownGirdle: STK-VTKPavilion 39.9°Culet: NoneDepth 64.8%

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 2
Current: $7,626 AUD|Low: $2,644 AUD|High: $7,626 AUD|Avg: $3,799 AUD|+0.5%
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 3, 2026
Retailer 15$2,682 AUD
Retailer 7$2,839 AUD
Retailer 2$2,941 AUD
Retailer 4$3,049 AUD
Retailer 9$3,131 AUD
Retailer 8$3,132 AUD
Retailer 11$3,311 AUD
Retailer 3$3,381 AUD
Retailer 5$3,449 AUD
Retailer 12$3,478 AUD
Retailer 16$3,557 AUD
Retailer 14$3,748 AUD
Retailer 6$4,459 AUD
Retailer 17$4,555 AUD
Retailer 10$5,424 AUD
Retailer 13$6,391 AUD
NZ Jewellers$7,626 AUD

24 data points across 17 retailers

17 retailers$2,682 AUD to $7,626 AUD

A
Cheapest Retailer
-
$2,682 AUD
Retailer 2
-
$2,839 AUD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$2,941 AUD
View
B+
Retailer 4
-
$3,131 AUD
View
Retailer 5
-
$3,132 AUD
View
Price last confirmed 7 days ago
Retailer 6
-
$3,311 AUD
View
Price last confirmed 4 days ago
B+
Retailer 7
-
$3,381 AUD
View
B+
Retailer 8
-
$3,449 AUD
View
B+
Retailer 9
-
$3,478 AUD
View
B+
Retailer 10
-
$3,557 AUD
View
B+
Retailer 11
-
$3,748 AUD
View
Retailer 12
-
$4,109 AUD
View
Price last confirmed 31 days ago
Retailer 13
-
$4,459 AUD
View
Price last confirmed 7 days ago
B
Retailer 14
-
$4,555 AUD
View
B
Retailer 15
-
$5,424 AUD
View
B
Retailer 16
-
$6,391 AUD
View
Most Expensive
B
NZ Jewellers
2f0773d7-3dae-4c80-acf8-fb50dee7c93d · Nov 2
$7,626 AUD
$5,240 USD
View
16 more retailers have this diamond
Prices start from $2,682 AUDSave up to $4,944 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
1.23ct Oval
$2,682 AUD