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Round|Natural|GIA

1.00ct K I2 Round Natural Diamond

EX • K/I2 • GIA 5231108434

Certificate GIA 5231108434

Diamond specifications and retailer prices

From €1,074 EUR
As of November 4, 2026
Save €1,946 EUR (64%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €3,019 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 I2 clarity (included), with a top-tier cut grade and certified by GIA 5231108434. Listed at 8 retailers as of November 4, 2026, with prices from €1,074 to €3,019, a €1,946 spread on the same certified stone. NZ Jewellers lists it at €3,019. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
K
Colour
I2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5231108434
Dimensions6.37 × 6.41 × 3.90 mm
L/W Ratio1.01
Top View
6.37 mm6.41 mm1.00 ctK / I2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5231108434
Side View
Table 62.0%Crown 33°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 61.1%

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 4
Current: €3,019 EUR|Low: €1,074 EUR|High: €3,019 EUR|Avg: €1,540 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8€1,074 EUR
Retailer 5€1,122 EUR
Retailer 7€1,122 EUR
Retailer 3€1,164 EUR
Retailer 6€1,294 EUR
Retailer 2€1,714 EUR
Retailer 4€1,764 EUR
NZ Jewellers€3,019 EUR

21 data points across 8 retailers

8 retailers€1,074 EUR to €3,019 EUR

B+
Cheapest Retailer
-
€1,074 EUR
Retailer 2
-
€1,122 EUR
View
Price last confirmed 8 days ago
B+
Retailer 3
-
€1,122 EUR
View
B+
Retailer 4
-
€1,164 EUR
View
B+
Retailer 5
-
€1,294 EUR
View
B
Retailer 6
-
€1,714 EUR
View
B
Retailer 7
-
€1,764 EUR
View
Most Expensive
C
NZ Jewellers
f20d9826-c642-48a3-b51e-933cd6001180 · Nov 5
€3,019 EUR
$3,389 USD
View
7 more retailers have this diamond
Prices start from €1,074 EURSave up to €1,946 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
€1,074 EUR