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Round|Natural|GIA

0.64ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 7518714449

Certificate GIA 7518714449

Diamond specifications and retailer prices

From €321 EUR
As of November 6, 2026
Save €1,348 EUR (81%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,669 EUR at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.64ct natural round diamond

This 0.64ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7518714449. Listed at 8 retailers as of November 4, 2026, with prices from €321 to €1,669, a €1,348 spread on the same certified stone. NZ Jewellers lists it at €1,669. 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

0.64
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7518714449
Dimensions5.46 × 5.50 × 3.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal
Top View
5.46 mm5.50 mm0.64 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7518714449
Side View
Table 56.0%Crown 36°Girdle: MediumPavilion 41.2°Culet: NDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €1,669 EUR|Low: €321 EUR|High: €1,669 EUR|Avg: €621 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2€321 EUR
Retailer 8€399 EUR
Retailer 3€459 EUR
Retailer 5€535 EUR
Retailer 10€543 EUR
Retailer 7€551 EUR
Retailer 4€592 EUR
Retailer 9€641 EUR
Retailer 6€1,006 EUR
NZ Jewellers€1,669 EUR

9 data points across 10 retailers

8 retailers€321 EUR to €1,669 EUR

A
Cheapest Retailer
-
€321 EUR
Retailer 2
-
€399 EUR
View
Price last confirmed 23 days ago
A
Retailer 3
-
€459 EUR
View
A
Retailer 4
-
€535 EUR
View
B+
Retailer 5
-
€551 EUR
View
B+
Retailer 6
-
€592 EUR
View
B
Retailer 7
-
€1,006 EUR
View
Most Expensive
B
NZ Jewellers
5187535e-c945-4af1-bc4c-e94a65c36ace · Nov 4
€1,669 EUR
$1,873 USD
View
7 more retailers have this diamond
Prices start from €321 EURSave up to €1,348 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
0.64ct Round
€321 EUR