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Round|Natural|GIA

1.03ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1246109498

Certificate GIA 1246109498

Diamond specifications and retailer prices

From €1,610 EUR
As of November 4, 2026
Save €1,176 EUR (42%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,786 EUR at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

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 top-tier cut grade and certified by GIA 1246109498. Listed at 12 retailers as of November 4, 2026, with prices from €1,610 to €2,786, a €1,176 spread on the same certified stone. Wholesale Diamonds Direct lists it at €2,786. 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

1.03
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1246109498
Dimensions6.49 × 6.46 × 4.03 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.49 mm6.46 mm1.03 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1246109498
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NDepth 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 4
Current: €2,156 EUR|Low: €1,610 EUR|High: €2,786 EUR|Avg: €1,998 EUR
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 6, 2026
Retailer 3€1,610 EUR
Retailer 9€1,700 EUR
Retailer 10€1,704 EUR
Retailer 8€1,719 EUR
Retailer 4€1,867 EUR
Retailer 2€1,872 EUR
Retailer 1€2,156 EUR
Retailer 6€2,172 EUR
Retailer 11€2,193 EUR
Retailer 5€2,401 EUR
Retailer 7€2,619 EUR
Wholesale Diamonds Direct€2,786 EUR

9 data points across 12 retailers

12 retailers€1,610 EUR to €2,786 EUR

A
Cheapest Retailer
-
€1,610 EUR
B+
Retailer 2
-
€1,700 EUR
View
B+
Retailer 3
-
€1,704 EUR
View
B+
Retailer 4
-
€1,719 EUR
View
B+
Retailer 5
-
€1,867 EUR
View
B+
Retailer 6
-
€1,872 EUR
View
B
Retailer 7
-
€2,156 EUR
View
B
Retailer 8
-
€2,172 EUR
View
B
Retailer 9
-
€2,193 EUR
View
B
Retailer 10
-
€2,401 EUR
View
B
Retailer 11
-
€2,619 EUR
View
Most Expensive
B
Wholesale Diamonds Direct
636229874 · Nov 4
€2,786 EUR
$3,127 USD
View
11 more retailers have this diamond
Prices start from €1,610 EURSave up to €1,176 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
€1,610 EUR