Round|Natural|GIA

1.03ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 1568676821

Certificate GIA 1568676821

Diamond specifications and retailer prices

From €1,288 EUR
As of November 1, 2026
Save €1,062 EUR (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €3,043 EUR at MOH London · As of October 29, 2026
View at MOH London

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 1568676821. Listed at 14 retailers as of November 1, 2026, with a 82% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1568676821
Dimensions6.49 × 6.44 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
6.49 mm6.44 mm1.03 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1568676821
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.2%

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 1
Current: €3,043 EUR|Low: €1,277 EUR|High: €3,043 EUR|Avg: €1,873 EUR|+0.4%
MOH London
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
November 2, 2026
Retailer 12€1,288 EUR
Retailer 10€1,361 EUR
Retailer 9€1,662 EUR
Retailer 13€1,662 EUR
Retailer 5€1,728 EUR
Retailer 11€1,728 EUR
Retailer 6€1,728 EUR
Retailer 3€1,799 EUR
Retailer 7€1,808 EUR
Retailer 4€1,991 EUR
Retailer 8€1,993 EUR
Retailer 14€2,123 EUR
Retailer 2€2,350 EUR
MOH London€3,043 EUR

10 data points across 14 retailers

14 retailers€1,288 EUR to €2,350 EUR

A
Cheapest Retailer
-
€1,288 EUR
A
Retailer 2
-
€1,361 EUR
View
B+
Retailer 3
-
€1,662 EUR
View
B+
Retailer 4
-
€1,662 EUR
View
Retailer 5
-
€1,728 EUR
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€1,728 EUR
View
B+
Retailer 7
-
€1,728 EUR
View
Retailer 8
-
€1,799 EUR
View
Price last confirmed 11 days ago
B+
Retailer 9
-
€1,808 EUR
View
B+
Retailer 10
-
€1,991 EUR
View
B+
Retailer 11
-
€1,993 EUR
View
B
Retailer 12
-
€2,123 EUR
View
B
Retailer 13
-
€2,350 EUR
View
Most Expensive
MOH London
24D13D8A2 · Oct 29
€3,043 EUR
£2,689 GBP
View
Price last confirmed 8 days ago
13 more retailers have this diamond
Prices start from €1,288 EURSave up to €1,062 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
€1,288 EUR