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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 $3,325 NZD
As of November 2, 2026
Save $6,128 NZD (65%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,452 NZD 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 $3,325 to $9,452, a $6,128 spread on the same certified stone. NZ Jewellers lists it at $9,452. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $9,452 NZD|Low: $3,278 NZD|High: $9,452 NZD|Avg: $4,709 NZD|+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$3,325 NZD
Retailer 7$3,519 NZD
Retailer 2$3,646 NZD
Retailer 4$3,779 NZD
Retailer 9$3,880 NZD
Retailer 8$3,882 NZD
Retailer 11$4,104 NZD
Retailer 3$4,190 NZD
Retailer 5$4,275 NZD
Retailer 12$4,311 NZD
Retailer 16$4,409 NZD
Retailer 14$4,645 NZD
Retailer 6$5,527 NZD
Retailer 17$5,646 NZD
Retailer 10$6,723 NZD
Retailer 13$7,921 NZD
NZ Jewellers$9,452 NZD

24 data points across 17 retailers

17 retailers$3,325 NZD to $9,452 NZD

A
Cheapest Retailer
-
$3,325 NZD
A
Retailer 2
-
$3,519 NZD
View
A
Retailer 3
-
$3,646 NZD
View
B+
Retailer 4
-
$3,880 NZD
View
B+
Retailer 5
-
$3,882 NZD
View
B+
Retailer 6
-
$4,104 NZD
View
B+
Retailer 7
-
$4,190 NZD
View
B+
Retailer 8
-
$4,275 NZD
View
B+
Retailer 9
-
$4,311 NZD
View
B+
Retailer 10
-
$4,409 NZD
View
B+
Retailer 11
-
$4,645 NZD
View
Retailer 12
-
$5,092 NZD
View
Price last confirmed 31 days ago
B
Retailer 13
-
$5,527 NZD
View
B
Retailer 14
-
$5,646 NZD
View
B
Retailer 15
-
$6,723 NZD
View
B
Retailer 16
-
$7,921 NZD
View
Most Expensive
B
NZ Jewellers
2f0773d7-3dae-4c80-acf8-fb50dee7c93d · Nov 2
$9,452 NZD
$5,240 USD
View
16 more retailers have this diamond
Prices start from $3,325 NZDSave up to $6,128 NZD

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
$3,325 NZD