CaratHunter
Plans
Round|Natural|IGI

1.05ct H SI1 Round Natural Diamond

EX • H/SI1 • IGI 826681826

Shape and cutting style on the report: Round brilliant

Certificate IGI 826681826

Diamond specifications and retailer prices

From €2,031 EUR
As of November 6, 2026
Save €2,670 EUR (57%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €4,701 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 826681826. Listed at 18 retailers as of November 5, 2026, with prices from €2,031 to €4,701, a €2,670 spread on the same certified stone. NZ Jewellers lists it at €4,701. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.05
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 826681826
Dimensions6.42 × 6.46 × 4.09 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.42 mm6.46 mm1.05 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 826681826
Side View
Table 58.0%Crown 36.4°Girdle: MediumPavilion 41.5°CuletDepth 63.5%

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 6
Current: €4,701 EUR|Low: €2,031 EUR|High: €4,701 EUR|Avg: €2,723 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 7, 2026
Retailer 6€2,031 EUR
Retailer 4€2,033 EUR
Retailer 11€2,075 EUR
Retailer 5€2,245 EUR
Retailer 14€2,249 EUR
Retailer 12€2,353 EUR
Retailer 2€2,408 EUR
Retailer 3€2,595 EUR
Retailer 7€2,622 EUR
Retailer 8€2,661 EUR
Retailer 9€2,744 EUR
Retailer 13€3,169 EUR
Retailer 10€3,929 EUR
NZ Jewellers€4,701 EUR

41 data points across 14 retailers

18 retailers€2,031 EUR to €4,701 EUR

A
Cheapest Retailer
-
€2,031 EUR
A
Retailer 2
-
€2,033 EUR
View
A
Retailer 3
-
€2,075 EUR
View
Final sale: no returns
B+
Retailer 4
-
€2,245 EUR
View
B+
Retailer 5
-
€2,249 EUR
View
Retailer 6
-
€2,249 EUR
View
Price last confirmed 57 days ago
B+
Retailer 7
-
€2,353 EUR
View
B+
Retailer 8
-
€2,374 EUR
View
B+
Retailer 9
-
€2,408 EUR
View
Retailer 10
-
€2,595 EUR
View
Price last confirmed 61 days ago
B+
Retailer 11
-
€2,595 EUR
View
B+
Retailer 12
-
€2,622 EUR
View
B+
Retailer 13
-
€2,661 EUR
View
B+
Retailer 14
-
€2,744 EUR
View
B
Retailer 15
-
€3,169 EUR
View
B
Retailer 16
-
€3,929 EUR
View
Retailer 17
-
€4,701 EUR
View
Price last confirmed 58 days ago
Most Expensive
B
NZ Jewellers
19af69cb-3516-48f6-ab75-96d7b98d24ed · Nov 5
€4,701 EUR
$5,249 USD
View
17 more retailers have this diamond
Prices start from €2,031 EURSave up to €2,670 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
1.05ct Round
€2,031 EUR