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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 €1,651 EUR
As of November 2, 2026
Save €3,043 EUR (65%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €4,693 EUR 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 €1,651 to €4,693, a €3,043 spread on the same certified stone. NZ Jewellers lists it at €4,693. 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: €4,693 EUR|Low: €1,627 EUR|High: €4,693 EUR|Avg: €2,338 EUR|+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€1,651 EUR
Retailer 7€1,747 EUR
Retailer 2€1,810 EUR
Retailer 4€1,876 EUR
Retailer 9€1,927 EUR
Retailer 8€1,927 EUR
Retailer 11€2,038 EUR
Retailer 3€2,081 EUR
Retailer 5€2,123 EUR
Retailer 12€2,141 EUR
Retailer 16€2,189 EUR
Retailer 14€2,306 EUR
Retailer 6€2,744 EUR
Retailer 17€2,803 EUR
Retailer 10€3,338 EUR
Retailer 13€3,933 EUR
NZ Jewellers€4,693 EUR

24 data points across 17 retailers

18 retailers€1,651 EUR to €4,693 EUR

A
Cheapest Retailer
-
€1,651 EUR
A
Retailer 2
-
€1,747 EUR
View
A
Retailer 3
-
€1,810 EUR
View
B+
Retailer 4
-
€1,876 EUR
View
Final sale: no returns
B+
Retailer 5
-
€1,927 EUR
View
B+
Retailer 6
-
€1,927 EUR
View
B+
Retailer 7
-
€2,038 EUR
View
B+
Retailer 8
-
€2,081 EUR
View
B+
Retailer 9
-
€2,123 EUR
View
B+
Retailer 10
-
€2,141 EUR
View
B+
Retailer 11
-
€2,189 EUR
View
B+
Retailer 12
-
€2,306 EUR
View
Retailer 13
-
€2,528 EUR
View
Price last confirmed 31 days ago
B
Retailer 14
-
€2,744 EUR
View
B
Retailer 15
-
€2,803 EUR
View
B
Retailer 16
-
€3,338 EUR
View
B
Retailer 17
-
€3,933 EUR
View
Most Expensive
B
NZ Jewellers
2f0773d7-3dae-4c80-acf8-fb50dee7c93d · Nov 2
€4,693 EUR
$5,240 USD
View
17 more retailers have this diamond
Prices start from €1,651 EURSave up to €3,043 EUR

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
€1,651 EUR