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Round|Natural|GIA

1.00ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2377826972

Certificate GIA 2377826972

Diamond specifications and retailer prices

From €1,324 EUR
As of November 6, 2026
Save €2,511 EUR (65%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €3,835 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2377826972. Listed at 17 retailers as of November 5, 2026, with prices from €1,324 to €3,835, a €2,511 spread on the same certified stone. NZ Jewellers lists it at €3,835. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2377826972
Dimensions6.38 × 6.35 × 4.02 mm
L/W Ratio1.00
Top View
6.38 mm6.35 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2377826972
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
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 6
Current: €1,324 EUR|Low: €1,324 EUR|High: €3,251 EUR|Avg: €2,075 EUR|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1€1,324 EUR
Retailer 7€1,334 EUR
Retailer 2€1,779 EUR
Retailer 3€1,862 EUR
Retailer 4€1,981 EUR
Retailer 6€2,261 EUR
Retailer 5€3,204 EUR

31 data points across 7 retailers

17 retailers€1,324 EUR to €3,835 EUR

A
Cheapest Retailer
-
€1,324 EUR
A
Retailer 2
-
€1,334 EUR
View
B+
Retailer 3
-
€1,608 EUR
View
Retailer 4
-
€1,637 EUR
View
Price last confirmed 82 days ago
B+
Retailer 5
-
€1,680 EUR
View
B+
Retailer 6
-
€1,779 EUR
View
B+
Retailer 7
-
€1,834 EUR
View
B+
Retailer 8
-
€1,862 EUR
View
B+
Retailer 9
-
€1,919 EUR
View
B
Retailer 10
-
€1,957 EUR
View
B+
Retailer 11
-
€1,981 EUR
View
B
Retailer 12
-
€2,003 EUR
View
B
Retailer 13
-
€2,116 EUR
View
B+
Retailer 14
-
€2,261 EUR
View
B
Retailer 15
-
€2,529 EUR
View
B
Retailer 16
-
€3,204 EUR
View
Most Expensive
C
NZ Jewellers
63169afc-01db-4f88-96d9-9f46409f14aa · Nov 5
€3,835 EUR
$4,304 USD
View
16 more retailers have this diamond
Prices start from €1,324 EURSave up to €2,511 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
1.00ct Round
€1,324 EUR