Round|Natural|IGI

1.00ct I IF Round Natural Diamond

EX • I/IF • IGI 654416351

Shape and cutting style on the report: Round brilliant

Certificate IGI 654416351

Diamond specifications and retailer prices

From €1,952 EUR
$2,189 USD
As of October 30, 2026
Save €746 EUR (28%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €4,651 EUR at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 654416351. Listed at 18 retailers as of October 30, 2026, with a 38% 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

1.00
Carat
I
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 654416351
Dimensions6.35 × 6.44 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.35 mm6.44 mm1.00 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 654416351
Side View
Table 56.0%Crown 33.9°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.0%

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: €2,655 EUR|Low: €1,662 EUR|High: €3,945 EUR|Avg: €2,428 EUR|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 8€1,952 EUR
Retailer 5€1,953 EUR
Retailer 6€1,987 EUR
Retailer 10€1,994 EUR
Retailer 2€2,160 EUR
Retailer 3€2,336 EUR
Retailer 7€2,474 EUR
Retailer 1€2,655 EUR
Retailer 4€2,698 EUR
Retailer 9€3,945 EUR

37 data points across 10 retailers

18 retailers€1,952 EUR to €2,698 EUR

A
Cheapest Retailer
-
€1,952 EUR
$2,189 USD
A
Retailer 2
-
€1,953 EUR
$2,190 USD
View
A
Retailer 3
-
€1,987 EUR
$2,229 USD
View
A
Retailer 4
-
€1,994 EUR
$2,237 USD
View
Final sale: no returns
Retailer 5
-
€2,160 EUR
$2,423 USD
View
Price last confirmed 52 days ago
Retailer 6
-
€2,160 EUR
$2,423 USD
View
Price last confirmed 40 days ago
Retailer 7
-
€2,224 EUR
$2,495 USD
View
Price last confirmed 17 days ago
Retailer 8
-
€2,224 EUR
$2,495 USD
View
Price last confirmed 15 days ago
A
Retailer 9
-
€2,336 EUR
£2,063 GBP
View
A
Retailer 10
-
€2,474 EUR
£2,185 GBP
View
Retailer 11
-
€2,493 EUR
$2,796 USD
View
Price last confirmed 56 days ago
Retailer 12
-
€2,493 EUR
$2,796 USD
View
Price last confirmed 41 days ago
A
Retailer 13
-
€2,655 EUR
ZAR 48,112 ZAR
View
A
Retailer 14
-
€2,698 EUR
View
Retailer 15
-
€3,945 EUR
£3,484 GBP
View
Price last confirmed 22 days ago
Retailer 16
-
€4,516 EUR
$5,065 USD
View
Price last confirmed 53 days ago
Retailer 17
-
€4,516 EUR
$5,065 USD
View
Price last confirmed 42 days ago
Most Expensive
NZ Jewellers
bdeaa615-7175-4fb5-bd0a-485c6e2d260e · Oct 17
€4,651 EUR
$5,217 USD
View
Price last confirmed 16 days ago
17 more retailers have this diamond
Prices start from €1,952 EURSave up to €746 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
1.00ct Round
€1,952 EUR