Round|Natural|GIA

1.03ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6461065516

Certificate GIA 6461065516

Diamond specifications and retailer prices

From €1,920 EUR
As of November 1, 2026
Save €2,869 EUR (60%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,789 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 top-tier cut grade and certified by GIA 6461065516. Listed at 12 retailers as of November 1, 2026, with prices from €1,920 to €4,789, a €2,869 spread on the same certified stone. NZ Jewellers lists it at €4,789. 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
FluorescenceStrong
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6461065516
Dimensions6.45 × 6.40 × 4.03 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.45 mm6.40 mm1.03 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6461065516
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €4,789 EUR|Low: €1,920 EUR|High: €4,789 EUR|Avg: €2,855 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6€1,920 EUR
Retailer 7€2,058 EUR
Retailer 9€2,075 EUR
Retailer 8€2,171 EUR
Retailer 2€2,409 EUR
Retailer 4€2,796 EUR
Retailer 3€2,838 EUR
Retailer 5€4,001 EUR
NZ Jewellers€4,789 EUR

43 data points across 9 retailers

12 retailers€1,920 EUR to €4,789 EUR

B+
Cheapest Retailer
-
€1,920 EUR
B+
Retailer 2
-
€2,055 EUR
View
B+
Retailer 3
-
€2,058 EUR
View
B+
Retailer 4
-
€2,075 EUR
View
Retailer 5
-
€2,075 EUR
View
Price last confirmed 8 days ago
B
Retailer 6
-
€2,171 EUR
View
B
Retailer 7
-
€2,395 EUR
View
B
Retailer 8
-
€2,409 EUR
View
B
Retailer 9
-
€2,796 EUR
View
B
Retailer 10
-
€2,838 EUR
View
B
Retailer 11
-
€4,001 EUR
View
Most Expensive
C
NZ Jewellers
55a41621-d0ae-48a8-baa9-27d75a5304a0 · Nov 5
€4,789 EUR
$5,375 USD
View
11 more retailers have this diamond
Prices start from €1,920 EURSave up to €2,869 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.

B+
1.03ct Round
€1,920 EUR