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Round|Natural|IGI

1.64ct L IF Round Natural Diamond

EX • L/IF • IGI 459104105

Shape and cutting style on the report: Round brilliant

Certificate IGI 459104105

Diamond specifications and retailer prices

From $2,639 USD
As of November 6, 2026
Save $1,480 USD (36%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,880 USD at NZ Jewellers · As of October 11, 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 L colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 459104105. Listed at 11 retailers as of November 5, 2026, with a 56% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
L
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 459104105
Dimensions7.49 × 7.53 × 4.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.49 mm7.53 mm1.64 ctL / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 459104105
Side View
Table 55.0%Crown 35.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.8%

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 6
Current: $2,639 USD|Low: $2,639 USD|High: $4,218 USD|Avg: $3,514 USD|-5.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$2,639 USD
Retailer 5$3,260 USD
Retailer 2$3,341 USD
Retailer 6$3,519 USD
Retailer 4$3,938 USD
Retailer 3$4,119 USD

44 data points across 6 retailers

11 retailers$2,639 USD to $4,119 USD

A
Cheapest Retailer
-
$2,639 USD
A
Retailer 2
-
$3,260 USD
View
A
Retailer 3
-
$3,341 USD
View
Retailer 4
-
$3,375 USD
View
Price last confirmed 25 days ago
Retailer 5
-
$3,375 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
$3,519 USD
View
Retailer 7
-
$3,633 USD
View
Price last confirmed 38 days ago
Retailer 8
-
$3,894 USD
View
Price last confirmed 25 days ago
A
Retailer 9
-
$3,938 USD
View
A
Retailer 10
-
$4,119 USD
View
Most Expensive
NZ Jewellers
d3e1e9d1-9694-4471-9db6-e84ce34ac071 · Oct 11
$5,880 USD
View
Price last confirmed 26 days ago
10 more retailers have this diamond
Prices start from $2,639 USDSave up to $1,480 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
$2,639 USD