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Round|Natural|GIA

1.00ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2476948330

Certificate GIA 2476948330

Diamond specifications and retailer prices

From €1,585 EUR
As of November 6, 2026
Save €2,464 EUR (61%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €4,049 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct 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 2476948330. Listed at 18 retailers as of November 5, 2026, with prices from €1,585 to €4,049, a €2,464 spread on the same certified stone. NZ Jewellers lists it at €4,049. 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

1.00
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2476948330
Dimensions6.52 × 6.50 × 3.93 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Top View
6.52 mm6.50 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2476948330
Side View
Table 57.0%Crown 32°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.4%

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: €4,049 EUR|Low: €1,585 EUR|High: €4,049 EUR|Avg: €2,121 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 3€1,585 EUR
Retailer 15€1,621 EUR
Retailer 8€1,688 EUR
Retailer 7€1,755 EUR
Retailer 9€1,755 EUR
Retailer 19€1,791 EUR
Retailer 11€1,810 EUR
Retailer 16€1,831 EUR
Retailer 5€1,836 EUR
Retailer 4€1,886 EUR
Retailer 17€1,895 EUR
Retailer 6€1,930 EUR
Retailer 10€2,025 EUR
Retailer 18€2,030 EUR
Retailer 2€2,092 EUR
Retailer 13€2,364 EUR
Retailer 12€2,490 EUR
Retailer 14€3,384 EUR
NZ Jewellers€4,049 EUR

45 data points across 19 retailers

18 retailers€1,585 EUR to €4,049 EUR

B+
Cheapest Retailer
-
€1,585 EUR
B+
Retailer 2
-
€1,621 EUR
View
B+
Retailer 3
-
€1,688 EUR
View
Retailer 4
-
€1,755 EUR
View
Price last confirmed 8 days ago
B+
Retailer 5
-
€1,755 EUR
View
B+
Retailer 6
-
€1,791 EUR
View
B+
Retailer 7
-
€1,810 EUR
View
B+
Retailer 8
-
€1,831 EUR
View
B+
Retailer 9
-
€1,836 EUR
View
B+
Retailer 10
-
€1,895 EUR
View
B+
Retailer 11
-
€1,930 EUR
View
B
Retailer 12
-
€2,025 EUR
View
B
Retailer 13
-
€2,030 EUR
View
B
Retailer 14
-
€2,092 EUR
View
B
Retailer 15
-
€2,364 EUR
View
B
Retailer 16
-
€2,490 EUR
View
B
Retailer 17
-
€3,384 EUR
View
Most Expensive
B
NZ Jewellers
c8851792-1fd6-4299-812c-c4ac04bcafa4 · Nov 5
€4,049 EUR
$4,521 USD
View
17 more retailers have this diamond
Prices start from €1,585 EURSave up to €2,464 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+
1.00ct Round
€1,585 EUR