Round|Natural|GIA

1.64ct I I1 Round Natural Diamond

EX • I/I1 • GIA 5193951350

Certificate GIA 5193951350

Diamond specifications and retailer prices

From $2,819 USD
As of November 1, 2026
Save $2,664 USD (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,483 USD 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 $2,819 to $5,483, a $2,664 spread on the same certified stone. NZ Jewellers lists it at $5,483. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,669 USD|Low: $2,042 USD|High: $3,745 USD|Avg: $3,029 USD|+3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 5$2,042 USD
Retailer 3$2,819 USD
Retailer 2$2,900 USD
Retailer 1$3,669 USD
Retailer 4$3,745 USD

18 data points across 5 retailers

8 retailers$2,819 USD to $5,483 USD

A
Cheapest Retailer
-
$2,819 USD
A
Retailer 2
-
$2,900 USD
View
B+
Retailer 3
-
$3,147 USD
View
B+
Retailer 4
-
$3,147 USD
View
B+
Retailer 5
-
$3,268 USD
View
B+
Retailer 6
-
$3,631 USD
View
B+
Retailer 7
-
$3,669 USD
€3,494 EUR
View
Most Expensive
B
NZ Jewellers
64ed2ebf-a237-453a-99aa-3c27c72d46fc · Oct 30
$5,483 USD
View
7 more retailers have this diamond
Prices start from $2,819 USDSave up to $2,664 USD

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
$2,819 USD