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Round|Natural|GIA

1.64ct I I1 Round Natural Diamond

EX • I/I1 • GIA 5193951350

Certificate GIA 5193951350

Diamond specifications and retailer prices

From €2,523 EUR
$2,819 USD
As of November 1, 2026
Save €2,385 EUR (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €4,908 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.64ct natural round diamond

This 1.64ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 5193951350. Listed at 8 retailers as of October 30, 2026, with prices from €2,523 to €4,908, a €2,385 spread on the same certified stone. NZ Jewellers lists it at €4,908. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 5193951350
Dimensions7.66 × 7.69 × 4.59 mm
L/W Ratio1.00
Top View
7.66 mm7.69 mm1.64 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5193951350
Side View
Table 57.0%CrownGirdlePavilionCulet: NoneDepth 59.8%

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 1
Current: €3,284 EUR|Low: €1,828 EUR|High: €3,352 EUR|Avg: €2,711 EUR|+3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 5€1,828 EUR
Retailer 3€2,523 EUR
Retailer 2€2,596 EUR
Retailer 1€3,284 EUR
Retailer 4€3,352 EUR

18 data points across 5 retailers

8 retailers€2,523 EUR to €4,908 EUR

A
Cheapest Retailer
-
€2,523 EUR
$2,819 USD
A
Retailer 2
-
€2,596 EUR
$2,900 USD
View
B+
Retailer 3
-
€2,817 EUR
$3,147 USD
View
B+
Retailer 4
-
€2,817 EUR
$3,147 USD
View
B+
Retailer 5
-
€2,925 EUR
$3,268 USD
View
B+
Retailer 6
-
€3,250 EUR
$3,631 USD
View
B+
Retailer 7
-
€3,284 EUR
View
Most Expensive
B
NZ Jewellers
64ed2ebf-a237-453a-99aa-3c27c72d46fc · Oct 30
€4,908 EUR
$5,483 USD
View
7 more retailers have this diamond
Prices start from €2,523 EURSave up to €2,385 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
1.64ct Round
€2,523 EUR