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Oval|Natural|GIA

1.20ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 5426502642

Certificate GIA 5426502642

Diamond specifications and retailer prices

From €1,479 EUR
As of November 6, 2026
Save €2,670 EUR (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €4,149 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural oval diamond

This 1.2ct natural oval sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5426502642. Listed at 17 retailers as of November 5, 2026, with prices from €1,479 to €4,149, a €2,670 spread on the same certified stone. NZ Jewellers lists it at €4,149. 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

1.20
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5426502642
Dimensions8.25 × 5.58 × 3.92 mm
L/W Ratio1.48
Top View
8.25 mm5.58 mm1.20 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5426502642
Side View
Table 60.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 70.3%

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: €4,149 EUR|Low: €1,455 EUR|High: €4,169 EUR|Avg: €2,244 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
November 6, 2026
Retailer 12€1,479 EUR
Retailer 6€1,755 EUR
Retailer 7€1,801 EUR
Retailer 3€1,832 EUR
Retailer 2€1,978 EUR
Retailer 13€1,985 EUR
Retailer 15€1,985 EUR
Retailer 8€2,049 EUR
Retailer 5€2,076 EUR
Retailer 14€2,108 EUR
Retailer 10€2,156 EUR
Retailer 4€2,290 EUR
Retailer 9€2,464 EUR
Retailer 11€3,477 EUR
NZ Jewellers€4,149 EUR

30 data points across 15 retailers

17 retailers€1,479 EUR to €4,149 EUR

A
Cheapest Retailer
-
€1,479 EUR
B+
Retailer 2
-
€1,755 EUR
View
B+
Retailer 3
-
€1,801 EUR
View
B+
Retailer 4
-
€1,832 EUR
View
Final sale: no returns
Retailer 5
-
€1,958 EUR
View
Price last confirmed 117 days ago
B+
Retailer 6
-
€1,972 EUR
View
B+
Retailer 7
-
€1,978 EUR
View
B+
Retailer 8
-
€1,985 EUR
View
Retailer 9
-
€1,985 EUR
View
Price last confirmed 8 days ago
B+
Retailer 10
-
€2,049 EUR
View
B+
Retailer 11
-
€2,076 EUR
View
B+
Retailer 12
-
€2,108 EUR
View
B+
Retailer 13
-
€2,156 EUR
View
B
Retailer 14
-
€2,290 EUR
View
B+
Retailer 15
-
€2,464 EUR
View
B
Retailer 16
-
€3,477 EUR
View
Most Expensive
B
NZ Jewellers
6b445b4d-fc17-40f2-a953-984a79f3d77b · Nov 5
€4,149 EUR
$4,632 USD
View
16 more retailers have this diamond
Prices start from €1,479 EURSave up to €2,670 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
1.20ct Oval
€1,479 EUR