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Round|Natural|IGI

1.64ct J IF Round Natural Diamond

EX • J/IF • IGI 683598427

Shape and cutting style on the report: Round brilliant

Certificate IGI 683598427

Diamond specifications and retailer prices

From €3,544 EUR
$3,959 USD
As of November 1, 2026
Save €3,536 EUR (50%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €7,079 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 J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 683598427. Listed at 15 retailers as of October 30, 2026, with prices from €3,544 to €7,079, a €3,536 spread on the same certified stone. NZ Jewellers lists it at €7,079. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
J
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.9°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 683598427
Dimensions7.55 × 7.49 × 4.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.55 mm7.49 mm1.64 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 683598427
Side View
Table 57.0%Crown 35.9°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.4%

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: €4,017 EUR|Low: €3,438 EUR|High: €6,550 EUR|Avg: €4,377 EUR|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 11€3,544 EUR
Retailer 9€3,621 EUR
Retailer 10€3,750 EUR
Retailer 2€3,844 EUR
Retailer 1€4,017 EUR
Retailer 3€4,064 EUR
Retailer 4€4,174 EUR
Retailer 5€4,320 EUR
Retailer 8€4,558 EUR
Retailer 7€4,995 EUR
Retailer 6€6,472 EUR

40 data points across 11 retailers

15 retailers€3,544 EUR to €7,079 EUR

A
Cheapest Retailer
-
€3,544 EUR
$3,959 USD
A
Retailer 2
-
€3,621 EUR
$4,045 USD
View
A
Retailer 3
-
€3,750 EUR
$4,190 USD
View
Final sale: no returns
A
Retailer 4
-
€3,844 EUR
$4,295 USD
View
A
Retailer 5
-
€4,017 EUR
£3,534 GBP
View
A
Retailer 6
-
€4,064 EUR
$4,540 USD
View
A
Retailer 7
-
€4,064 EUR
$4,540 USD
View
A
Retailer 8
-
€4,064 EUR
$4,540 USD
View
A
Retailer 9
-
€4,174 EUR
£3,672 GBP
View
A
Retailer 10
-
€4,320 EUR
View
A
Retailer 11
-
€4,558 EUR
£4,010 GBP
View
A
Retailer 12
-
€4,688 EUR
$5,238 USD
View
A
Retailer 13
-
€4,995 EUR
ZAR 90,150 ZAR
View
B+
Retailer 14
-
€6,472 EUR
£5,693 GBP
View
Most Expensive
B+
NZ Jewellers
584521c7-ea5c-464a-8124-cdb2117cf189 · Oct 30
€7,079 EUR
$7,909 USD
View
14 more retailers have this diamond
Prices start from €3,544 EURSave up to €3,536 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
€3,544 EUR