Oval|Natural|GIA

1.21ct J SI2 Oval Natural Diamond

ID • J/SI2 • GIA 5566816763

Certificate GIA 5566816763

Diamond specifications and retailer prices

From €1,665 EUR
As of November 7, 2026
Save €2,831 EUR (63%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €4,496 EUR at NZ Jewellers · As of November 7, 2026
View at NZ Jewellers

About this 1.21ct natural oval diamond

This 1.21ct 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 5566816763. Listed at 16 retailers as of November 7, 2026, with prices from €1,665 to €4,496, a €2,831 spread on the same certified stone. NZ Jewellers lists it at €4,496. 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

1.21
Carat
J
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5566816763
Dimensions8.30 × 5.91 × 3.71 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cavity, Indented Natural, Chip, Needle, Natural
Top View
8.30 mm5.91 mm1.21 ctJ / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5566816763
Side View
Table 62.0%CrownGirdle: VTN-THKPavilionCulet: NoneDepth 62.8%

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 7
Current: €4,496 EUR|Low: €1,665 EUR|High: €4,496 EUR|Avg: €2,238 EUR
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 7, 2026
Retailer 8€1,665 EUR
Retailer 3€1,776 EUR
Retailer 9€1,922 EUR
Retailer 15€1,986 EUR
Retailer 6€1,996 EUR
Retailer 2€2,096 EUR
Retailer 10€2,150 EUR
Retailer 11€2,157 EUR
Retailer 14€2,250 EUR
Retailer 5€2,276 EUR
Retailer 13€2,281 EUR
Retailer 4€2,347 EUR
Retailer 7€2,482 EUR
Retailer 12€3,747 EUR
NZ Jewellers€4,496 EUR

3 data points across 15 retailers

16 retailers€1,665 EUR to €4,496 EUR

A
Cheapest Retailer
-
€1,665 EUR
B+
Retailer 2
-
€1,776 EUR
View
B+
Retailer 3
-
€1,824 EUR
View
B+
Retailer 4
-
€1,922 EUR
View
B+
Retailer 5
-
€1,986 EUR
View
Final sale: no returns
B+
Retailer 6
-
€1,996 EUR
View
B+
Retailer 7
-
€2,096 EUR
View
B+
Retailer 8
-
€2,150 EUR
View
B+
Retailer 9
-
€2,157 EUR
View
B
Retailer 10
-
€2,250 EUR
View
B
Retailer 11
-
€2,276 EUR
View
B
Retailer 12
-
€2,281 EUR
View
B
Retailer 13
-
€2,347 EUR
View
B+
Retailer 14
-
€2,482 EUR
View
B
Retailer 15
-
€3,747 EUR
View
Most Expensive
B
NZ Jewellers
1fd62d36-e2ac-49d3-bf76-ae8dfe62ed83 · Nov 7
€4,496 EUR
$5,020 USD
View
15 more retailers have this diamond
Prices start from €1,665 EURSave up to €2,831 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
1.21ct Oval
€1,665 EUR