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Round|Natural|GIA

1.05ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1569260758

Certificate GIA 1569260758

Diamond specifications and retailer prices

From €2,189 EUR
As of November 6, 2026
Save €2,910 EUR (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €5,099 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1569260758. Listed at 22 retailers as of November 5, 2026, with prices from €2,189 to €5,099, a €2,910 spread on the same certified stone. NZ Jewellers lists it at €5,099. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1569260758
Dimensions6.44 × 6.48 × 4.05 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud
Top View
6.44 mm6.48 mm1.05 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1569260758
Side View
Table 57.0%Crown 35°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.7%

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: €5,099 EUR|Low: €2,167 EUR|High: €5,099 EUR|Avg: €3,020 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 6, 2026
Retailer 3€2,189 EUR
Retailer 11€2,298 EUR
Retailer 4€2,329 EUR
Retailer 10€2,374 EUR
Retailer 6€2,378 EUR
Retailer 8€2,447 EUR
Retailer 7€2,651 EUR
Retailer 9€2,651 EUR
Retailer 5€2,753 EUR
Retailer 2€2,801 EUR
Retailer 19€2,862 EUR
Retailer 13€2,992 EUR
Retailer 18€3,018 EUR
Retailer 20€3,018 EUR
Retailer 12€3,060 EUR
Retailer 21€3,113 EUR
Retailer 17€3,117 EUR
Retailer 14€3,395 EUR
Retailer 15€3,572 EUR
Retailer 16€4,881 EUR
NZ Jewellers€5,099 EUR

31 data points across 21 retailers

22 retailers€2,189 EUR to €5,099 EUR

A
Cheapest Retailer
-
€2,189 EUR
B+
Retailer 2
-
€2,298 EUR
View
B+
Retailer 3
-
€2,329 EUR
View
B+
Retailer 4
-
€2,374 EUR
View
B+
Retailer 5
-
€2,378 EUR
View
B+
Retailer 6
-
€2,378 EUR
View
B+
Retailer 7
-
€2,447 EUR
View
Final sale: no returns
B+
Retailer 8
-
€2,651 EUR
View
Retailer 9
-
€2,651 EUR
View
Price last confirmed 8 days ago
B+
Retailer 10
-
€2,753 EUR
View
B+
Retailer 11
-
€2,801 EUR
View
B+
Retailer 12
-
€2,862 EUR
View
B+
Retailer 13
-
€2,992 EUR
View
B
Retailer 14
-
€3,018 EUR
View
B
Retailer 15
-
€3,018 EUR
View
B+
Retailer 16
-
€3,060 EUR
View
B+
Retailer 17
-
€3,113 EUR
View
B+
Retailer 18
-
€3,117 EUR
View
Retailer 19
-
€3,395 EUR
View
Price last confirmed 23 days ago
B
Retailer 20
-
€3,572 EUR
View
B
Retailer 21
-
€4,881 EUR
View
Most Expensive
B
NZ Jewellers
5559ed8d-e314-43eb-9985-a316c6eed3be · Nov 5
€5,099 EUR
$5,693 USD
View
21 more retailers have this diamond
Prices start from €2,189 EURSave up to €2,910 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
€2,189 EUR