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0.80ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 2566558250

Certificate GIA 2566558250

Diamond specifications and retailer prices

From €657 EUR
As of November 6, 2026
Save €2,125 EUR (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €2,781 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566558250. Listed at 15 retailers as of November 5, 2026, with prices from €657 to €2,781, a €2,125 spread on the same certified stone. NZ Jewellers lists it at €2,781. 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

0.80
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2566558250
Dimensions5.94 × 5.95 × 3.69 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
5.94 mm5.95 mm0.80 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2566558250
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.1%

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: €2,781 EUR|Low: €657 EUR|High: €2,781 EUR|Avg: €1,059 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 6, 2026
Retailer 2€657 EUR
Retailer 4€665 EUR
Retailer 6€818 EUR
Retailer 12€835 EUR
Retailer 3€887 EUR
Retailer 7€888 EUR
Retailer 14€921 EUR
Retailer 13€1,023 EUR
Retailer 9€1,033 EUR
Retailer 11€1,058 EUR
Retailer 8€1,112 EUR
Retailer 10€1,155 EUR
Retailer 5€1,163 EUR
Retailer 15€1,624 EUR
NZ Jewellers€2,781 EUR

24 data points across 15 retailers

15 retailers€657 EUR to €2,781 EUR

A
Cheapest Retailer
-
€657 EUR
A
Retailer 2
-
€665 EUR
View
A
Retailer 3
-
€818 EUR
View
Final sale: no returns
A
Retailer 4
-
€835 EUR
View
A
Retailer 5
-
€887 EUR
View
A
Retailer 6
-
€888 EUR
View
A
Retailer 7
-
€921 EUR
View
B+
Retailer 8
-
€1,023 EUR
View
B+
Retailer 9
-
€1,033 EUR
View
B+
Retailer 10
-
€1,058 EUR
View
B+
Retailer 11
-
€1,112 EUR
View
B+
Retailer 12
-
€1,155 EUR
View
B+
Retailer 13
-
€1,163 EUR
View
B
Retailer 14
-
€1,624 EUR
View
Most Expensive
C
NZ Jewellers
6130c10a-158c-4df9-a89a-b2ad09748024 · Nov 5
€2,781 EUR
$3,105 USD
View
14 more retailers have this diamond
Prices start from €657 EURSave up to €2,125 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
0.80ct Round
€657 EUR