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Round|Natural|GIA

1.05ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7496000425

Certificate GIA 7496000425

Diamond specifications and retailer prices

From €1,720 EUR
As of November 6, 2026
Save €3,119 EUR (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €4,838 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 7496000425. Listed at 18 retailers as of November 5, 2026, with prices from €1,720 to €4,838, a €3,119 spread on the same certified stone. NZ Jewellers lists it at €4,838. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7496000425
Dimensions6.61 × 6.57 × 3.94 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Culet sizeNone
Key to symbols
Crystal, Twinning Wisp, Feather, Indented Natural, Needle
Top View
6.61 mm6.57 mm1.05 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 7496000425
Side View
Table 59.0%Crown 32.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 59.7%

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: €2,214 EUR|Low: €1,720 EUR|High: €4,104 EUR|Avg: €2,458 EUR|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7€1,720 EUR
Retailer 10€1,763 EUR
Retailer 8€1,894 EUR
Retailer 2€2,096 EUR
Retailer 1€2,214 EUR
Retailer 3€2,434 EUR
Retailer 9€2,593 EUR
Retailer 6€2,597 EUR
Retailer 4€2,825 EUR
Retailer 5€4,043 EUR

38 data points across 10 retailers

18 retailers€1,720 EUR to €4,838 EUR

A
Cheapest Retailer
-
€1,720 EUR
A
Retailer 2
-
€1,763 EUR
View
Final sale: no returns
A
Retailer 3
-
€1,894 EUR
View
A
Retailer 4
-
€2,096 EUR
View
A
Retailer 5
-
€2,097 EUR
View
Retailer 6
-
€2,097 EUR
View
Price last confirmed 8 days ago
B+
Retailer 7
-
€2,193 EUR
View
A
Retailer 8
-
€2,214 EUR
View
B+
Retailer 9
-
€2,418 EUR
View
B+
Retailer 10
-
€2,418 EUR
View
B+
Retailer 11
-
€2,419 EUR
View
B+
Retailer 12
-
€2,434 EUR
View
B+
Retailer 13
-
€2,499 EUR
View
Retailer 14
-
€2,593 EUR
View
Price last confirmed 30 days ago
B+
Retailer 15
-
€2,597 EUR
View
B+
Retailer 16
-
€2,825 EUR
View
B
Retailer 17
-
€4,043 EUR
View
Most Expensive
B
NZ Jewellers
aacb2e51-d5c4-41d4-a85f-c2cbc8c4d6c6 · Nov 5
€4,838 EUR
$5,402 USD
View
17 more retailers have this diamond
Prices start from €1,720 EURSave up to €3,119 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
€1,720 EUR