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Round|Natural|GIA

1.00ct J SI2 Round Natural Diamond

VG • J/SI2 • GIA 1559494856

Certificate GIA 1559494856

Diamond specifications and retailer prices

From €1,186 EUR
As of November 6, 2026
Save €2,578 EUR (68%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €3,764 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 1559494856. Listed at 20 retailers as of November 5, 2026, with prices from €1,186 to €3,764, a €2,578 spread on the same certified stone. NZ Jewellers lists it at €3,764. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
J
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 1559494856
Dimensions6.18 × 6.24 × 3.98 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Crystal, Cavity, Needle, Indented Natural, Natural
Top View
6.18 mm6.24 mm1.00 ctJ / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1559494856
Side View
Table 59.0%Crown 38°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.1%

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: €1,193 EUR|Low: €1,186 EUR|High: €2,737 EUR|Avg: €1,717 EUR|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10€1,186 EUR
Retailer 1€1,193 EUR
Retailer 2€1,424 EUR
Retailer 7€1,445 EUR
Retailer 11€1,538 EUR
Retailer 4€1,655 EUR
Retailer 5€1,703 EUR
Retailer 3€1,719 EUR
Retailer 6€1,793 EUR
Retailer 8€2,027 EUR
Retailer 9€2,696 EUR

32 data points across 11 retailers

20 retailers€1,186 EUR to €3,764 EUR

A
Cheapest Retailer
-
€1,186 EUR
A
Retailer 2
-
€1,193 EUR
View
B+
Retailer 3
-
€1,406 EUR
View
B+
Retailer 4
-
€1,424 EUR
View
Final sale: no returns
B+
Retailer 5
-
€1,445 EUR
View
B+
Retailer 6
-
€1,538 EUR
View
B+
Retailer 7
-
€1,543 EUR
View
Retailer 8
-
€1,543 EUR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
€1,614 EUR
View
B+
Retailer 10
-
€1,655 EUR
View
B+
Retailer 11
-
€1,665 EUR
View
B+
Retailer 12
-
€1,681 EUR
View
B+
Retailer 13
-
€1,703 EUR
View
B+
Retailer 14
-
€1,719 EUR
View
B+
Retailer 15
-
€1,781 EUR
View
B+
Retailer 16
-
€1,793 EUR
View
B
Retailer 17
-
€2,027 EUR
View
B
Retailer 18
-
€2,299 EUR
View
B
Retailer 19
-
€2,696 EUR
View
Most Expensive
C
NZ Jewellers
487f54e0-6499-4d20-a69f-4a5bfdf0dac6 · Nov 5
€3,764 EUR
$4,225 USD
View
19 more retailers have this diamond
Prices start from €1,186 EURSave up to €2,578 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
1.00ct Round
€1,186 EUR