Round|Natural|GIA

1.03ct K SI1 Round Natural Diamond

GD • K/SI1 • GIA 2566303416

Certificate GIA 2566303416

Diamond specifications and retailer prices

From €1,094 EUR
As of November 6, 2026
Save €2,456 EUR (69%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €3,550 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 2566303416. Listed at 19 retailers as of November 5, 2026, with prices from €1,094 to €3,550, a €2,456 spread on the same certified stone. NZ Jewellers lists it at €3,550. 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

1.03
Carat
K
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryGood
FluorescenceNone
Crown angle40°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 2566303416
Dimensions6.07 × 6.19 × 4.10 mm
L/W Ratio1.02
Top View
6.07 mm6.19 mm1.03 ctK / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 2566303416
Side View
Table 57.0%Crown 40°Girdle: THK-VTKPavilion 39.8°Culet: NoneDepth 66.9%

Caratlytics Score

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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 6
Current: €3,550 EUR|Low: €1,083 EUR|High: €3,550 EUR|Avg: €1,683 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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 17€1,094 EUR
Retailer 2€1,099 EUR
Retailer 18€1,301 EUR
Retailer 5€1,349 EUR
Retailer 13€1,392 EUR
Retailer 3€1,456 EUR
Retailer 6€1,456 EUR
Retailer 7€1,484 EUR
Retailer 11€1,523 EUR
Retailer 10€1,524 EUR
Retailer 19€1,524 EUR
Retailer 4€1,577 EUR
Retailer 12€1,596 EUR
Retailer 9€1,679 EUR
Retailer 15€1,777 EUR
Retailer 14€1,863 EUR
Retailer 8€2,112 EUR
Retailer 16€2,543 EUR
NZ Jewellers€3,550 EUR

23 data points across 19 retailers

19 retailers€1,094 EUR to €3,550 EUR

B+
Cheapest Retailer
-
€1,094 EUR
A
Retailer 2
-
€1,099 EUR
View
B+
Retailer 3
-
€1,301 EUR
View
B+
Retailer 4
-
€1,349 EUR
View
B+
Retailer 5
-
€1,392 EUR
View
B+
Retailer 6
-
€1,456 EUR
View
Retailer 7
-
€1,456 EUR
View
Price last confirmed 8 days ago
B+
Retailer 8
-
€1,484 EUR
View
B+
Retailer 9
-
€1,523 EUR
View
B+
Retailer 10
-
€1,524 EUR
View
Retailer 11
-
€1,524 EUR
View
Price last confirmed 10 days ago
B+
Retailer 12
-
€1,577 EUR
View
B+
Retailer 13
-
€1,596 EUR
View
B+
Retailer 14
-
€1,679 EUR
View
B+
Retailer 15
-
€1,777 EUR
View
B+
Retailer 16
-
€1,863 EUR
View
B
Retailer 17
-
€2,112 EUR
View
B
Retailer 18
-
€2,543 EUR
View
Most Expensive
C
NZ Jewellers
0a0e3b24-45db-46df-9aeb-255499903e82 · Nov 5
€3,550 EUR
$3,985 USD
View
18 more retailers have this diamond
Prices start from €1,094 EURSave up to €2,456 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
1.03ct Round
€1,094 EUR