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Round|Natural|IGI

1.80ct I FL Round Natural Diamond

EX • I/FL • IGI 735528623

Shape and cutting style on the report: Round brilliant

Certificate IGI 735528623

Diamond specifications and retailer prices

From €6,107 EUR
As of November 5, 2026
Save €3,713 EUR (38%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €12,802 EUR at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 1.8ct natural round diamond

This 1.8ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 735528623. Listed at 15 retailers as of November 4, 2026, with a 61% 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

1.80
Carat
I
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 735528623
Dimensions7.64 × 7.69 × 4.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.64 mm7.69 mm1.80 ctI / FL
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 735528623
Side View
Table 57.0%Crown 36.5°Girdle: Slightly ThickPavilion 40.4°Culet: NoneDepth 63.2%

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 5
Current: €6,601 EUR|Low: €6,107 EUR|High: €10,796 EUR|Avg: €7,941 EUR|-7.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4€6,107 EUR
Retailer 6€6,446 EUR
Retailer 1€6,601 EUR
Retailer 9€7,065 EUR
Retailer 8€7,617 EUR
Retailer 7€7,631 EUR
Retailer 3€7,676 EUR
Retailer 2€8,619 EUR
Retailer 5€9,820 EUR

41 data points across 9 retailers

15 retailers€6,107 EUR to €9,820 EUR

A
Cheapest Retailer
-
€6,107 EUR
A
Retailer 2
-
€6,446 EUR
View
A
Retailer 3
-
€6,601 EUR
View
A
Retailer 4
-
€7,617 EUR
View
A
Retailer 5
-
€7,631 EUR
View
Retailer 6
-
€7,654 EUR
View
Price last confirmed 50 days ago
Retailer 7
-
€7,654 EUR
View
Price last confirmed 29 days ago
A
Retailer 8
-
€7,676 EUR
View
Retailer 9
-
€7,772 EUR
View
Price last confirmed 38 days ago
A
Retailer 10
-
€8,619 EUR
View
Retailer 11
-
€8,832 EUR
View
Price last confirmed 28 days ago
Retailer 12
-
€8,832 EUR
View
Price last confirmed 45 days ago
B+
Retailer 13
-
€9,820 EUR
View
Retailer 14
-
€12,802 EUR
View
Price last confirmed 48 days ago
Most Expensive
NZ Jewellers
e9bc5ddb-d56b-4332-a872-a66b2c276358 · Sep 26
€12,802 EUR
$14,369 USD
View
Price last confirmed 40 days ago
14 more retailers have this diamond
Prices start from €6,107 EURSave up to €3,713 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
1.80ct Round
€6,107 EUR