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Round|Natural|GIA

1.05ct I I1 Round Natural Diamond

EX • I/I1 • GIA 5242112392

Certificate GIA 5242112392

Diamond specifications and retailer prices

From €1,940 EUR
$2,167 USD
As of October 30, 2026
Save €3,015 EUR (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €4,954 EUR at NZ Jewellers · As of October 30, 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 5242112392. Listed at 8 retailers as of October 30, 2026, with prices from €1,940 to €4,954, a €3,015 spread on the same certified stone. NZ Jewellers lists it at €4,954. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
I
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5242112392
Dimensions6.48 × 6.51 × 4.04 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.48 mm6.51 mm1.05 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242112392
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €4,954 EUR|Low: €1,940 EUR|High: €4,954 EUR|Avg: €2,541 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8€1,940 EUR
Retailer 6€2,078 EUR
Retailer 4€2,146 EUR
Retailer 7€2,146 EUR
Retailer 5€2,246 EUR
Retailer 3€2,477 EUR
Retailer 2€2,945 EUR
NZ Jewellers€4,954 EUR

6 data points across 8 retailers

8 retailers€1,940 EUR to €4,954 EUR

B+
Cheapest Retailer
-
€1,940 EUR
$2,167 USD
B
Retailer 2
-
€2,078 EUR
$2,321 USD
View
B
Retailer 3
-
€2,146 EUR
$2,398 USD
View
B
Retailer 4
-
€2,146 EUR
$2,398 USD
View
B+
Retailer 5
-
€2,246 EUR
$2,509 USD
View
B
Retailer 6
-
€2,477 EUR
$2,767 USD
View
B
Retailer 7
-
€2,945 EUR
View
Most Expensive
C
NZ Jewellers
ae8748af-a6d5-4a9e-960f-0415be7fdfeb · Oct 30
€4,954 EUR
$5,535 USD
View
7 more retailers have this diamond
Prices start from €1,940 EURSave up to €3,015 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.

B+
1.05ct Round
€1,940 EUR