Oval|Natural|GIA

1.23ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 5536897286

Certificate GIA 5536897286

Diamond specifications and retailer prices

From $1,843 USD
As of November 2, 2026
Save $3,397 USD (65%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,240 USD 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 18 retailers as of November 2, 2026, with prices from $1,843 to $5,240, a $3,397 spread on the same certified stone. NZ Jewellers lists it at $5,240. 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
Color
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: $5,240 USD|Low: $1,817 USD|High: $5,240 USD|Avg: $2,610 USD|+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$1,843 USD
Retailer 7$1,951 USD
Retailer 2$2,021 USD
Retailer 4$2,095 USD
Retailer 9$2,151 USD
Retailer 8$2,152 USD
Retailer 11$2,275 USD
Retailer 3$2,323 USD
Retailer 5$2,370 USD
Retailer 12$2,390 USD
Retailer 16$2,444 USD
Retailer 14$2,575 USD
Retailer 6$3,064 USD
Retailer 17$3,130 USD
Retailer 10$3,727 USD
Retailer 13$4,391 USD
NZ Jewellers$5,240 USD

24 data points across 17 retailers

18 retailers$1,843 USD to $5,240 USD

A
Cheapest Retailer
-
$1,843 USD
A
Retailer 2
-
$1,951 USD
View
A
Retailer 3
-
$2,021 USD
View
B+
Retailer 4
-
$2,095 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,151 USD
View
B+
Retailer 6
-
$2,152 USD
View
B+
Retailer 7
-
$2,275 USD
View
B+
Retailer 8
-
$2,323 USD
View
B+
Retailer 9
-
$2,370 USD
View
B+
Retailer 10
-
$2,390 USD
View
B+
Retailer 11
-
$2,444 USD
View
B+
Retailer 12
-
$2,575 USD
View
Retailer 13
-
$2,823 USD
View
Price last confirmed 30 days ago
B
Retailer 14
-
$3,064 USD
View
B
Retailer 15
-
$3,130 USD
View
B
Retailer 16
-
$3,727 USD
View
B
Retailer 17
-
$4,391 USD
View
Most Expensive
B
NZ Jewellers
2f0773d7-3dae-4c80-acf8-fb50dee7c93d · Nov 2
$5,240 USD
View
17 more retailers have this diamond
Prices start from $1,843 USDSave up to $3,397 USD

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
$1,843 USD