Round|Natural|GIA

1.18ct J IF Round Natural Diamond

EX • J/IF • GIA 1558475450

Certificate GIA 1558475450

Diamond specifications and retailer prices

From €3,190 EUR
£2,806 GBP
As of October 30, 2026
Save €2,779 EUR (47%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €6,427 EUR at NZ Jewellers · As of August 29, 2026
View at NZ Jewellers

About this 1.18ct natural round diamond

This 1.18ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1558475450. Listed at 10 retailers as of October 29, 2026, with a 87% 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

1.18
Carat
J
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1558475450
Dimensions6.69 × 6.74 × 4.17 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Top View
6.69 mm6.74 mm1.18 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558475450
Side View
Table 58.0%Crown 36°GirdlePavilion 40.6°CuletDepth 62.1%

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: Oct 30
Current: €3,190 EUR|Low: €3,183 EUR|High: €6,183 EUR|Avg: €4,058 EUR|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 1€3,190 EUR
Retailer 4€3,245 EUR
Retailer 3€3,388 EUR
Retailer 5€3,897 EUR
Retailer 6€3,904 EUR
Retailer 2€5,969 EUR

33 data points across 6 retailers

10 retailers€3,190 EUR to €5,969 EUR

A
Cheapest Retailer
-
€3,190 EUR
£2,806 GBP
B+
Retailer 2
-
€3,245 EUR
$3,625 USD
View
B+
Retailer 3
-
€3,388 EUR
$3,785 USD
View
Retailer 4
-
€3,635 EUR
$4,061 USD
View
Price last confirmed 32 days ago
Retailer 5
-
€3,635 EUR
$4,061 USD
View
Price last confirmed 25 days ago
Retailer 6
-
€3,671 EUR
$4,101 USD
View
Price last confirmed 61 days ago
Retailer 7
-
€3,897 EUR
A$6,699 AUD
View
Price last confirmed 28 days ago
B
Retailer 8
-
€5,969 EUR
£5,251 GBP
View
Retailer 9
-
€6,333 EUR
$7,075 USD
View
Price last confirmed 26 days ago
Most Expensive
NZ Jewellers
cedbc125-362d-4eff-a109-4627aff6a6d5 · Aug 29
€6,427 EUR
$7,180 USD
View
Price last confirmed 63 days ago
9 more retailers have this diamond
Prices start from €3,190 EURSave up to €2,779 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
1.18ct Round
€3,190 EUR