Round|Natural|GIA

1.04ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2556486046

Certificate GIA 2556486046

Diamond specifications and retailer prices

From €2,028 EUR
As of November 6, 2026
Save €1,254 EUR (38%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €3,953 EUR at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.04ct natural round diamond

This 1.04ct 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 2556486046. Listed at 7 retailers as of November 4, 2026, with a 62% 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

1.04
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2556486046
Dimensions6.45 × 6.48 × 4.04 mm
L/W Ratio1.00
Star length45%
Key to symbols
Twinning Wisp, Crystal, Feather, Indented Natural
Top View
6.45 mm6.48 mm1.04 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556486046
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.5%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: €2,028 EUR|Low: €1,246 EUR|High: €3,307 EUR|Avg: €2,119 EUR|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 7€1,496 EUR
Retailer 8€1,648 EUR
Retailer 1€2,028 EUR
Retailer 6€2,178 EUR
Retailer 2€2,189 EUR
Retailer 3€2,292 EUR
Retailer 4€2,545 EUR
Retailer 5€3,281 EUR

30 data points across 8 retailers

7 retailers€2,028 EUR to €3,281 EUR

B+
Cheapest Retailer
-
€2,028 EUR
B
Retailer 2
-
€2,178 EUR
View
B+
Retailer 3
-
€2,189 EUR
View
B+
Retailer 4
-
€2,292 EUR
View
B
Retailer 5
-
€2,545 EUR
View
B
Retailer 6
-
€3,281 EUR
View
Most Expensive
NZ Jewellers
c8f2c435-a1d9-4ec7-8597-da66445bfc6e · Sep 28
€3,953 EUR
$4,437 USD
View
Price last confirmed 39 days ago
6 more retailers have this diamond
Prices start from €2,028 EURSave up to €1,254 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+
1.04ct Round
€2,028 EUR