Round|Natural|GIA

1.05ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7423988908

Certificate GIA 7423988908

Diamond specifications and retailer prices

From €1,811 EUR
As of November 6, 2026
Save €3,277 EUR (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €5,088 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 7423988908. Listed at 18 retailers as of November 5, 2026, with prices from €1,811 to €5,088, a €3,277 spread on the same certified stone. NZ Jewellers lists it at €5,088. 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
FluorescenceFaint
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7423988908
Dimensions6.54 × 6.51 × 4.06 mm
L/W Ratio1.00
Top View
6.54 mm6.51 mm1.05 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7423988908
Side View
Table 56.0%Crown 35°Girdle: MediumPavilion 41°Culet: NoneDepth 62.2%

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: €5,088 EUR|Low: €1,689 EUR|High: €5,088 EUR|Avg: €2,927 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 6€1,811 EUR
Retailer 7€1,992 EUR
Retailer 8€2,035 EUR
Retailer 10€2,306 EUR
Retailer 3€2,561 EUR
Retailer 9€2,726 EUR
Retailer 5€2,738 EUR
Retailer 2€2,970 EUR
Retailer 4€4,253 EUR
NZ Jewellers€5,088 EUR

43 data points across 10 retailers

18 retailers€1,811 EUR to €5,088 EUR

A
Cheapest Retailer
-
€1,811 EUR
A
Retailer 2
-
€1,992 EUR
View
A
Retailer 3
-
€1,993 EUR
View
A
Retailer 4
-
€2,035 EUR
View
Final sale: no returns
A
Retailer 5
-
€2,127 EUR
View
B+
Retailer 6
-
€2,205 EUR
View
Retailer 7
-
€2,205 EUR
View
Price last confirmed 8 days ago
B+
Retailer 8
-
€2,306 EUR
View
B+
Retailer 9
-
€2,535 EUR
View
B+
Retailer 10
-
€2,535 EUR
View
B+
Retailer 11
-
€2,545 EUR
View
B+
Retailer 12
-
€2,561 EUR
View
B+
Retailer 13
-
€2,615 EUR
View
Retailer 14
-
€2,726 EUR
View
Price last confirmed 30 days ago
B+
Retailer 15
-
€2,738 EUR
View
B+
Retailer 16
-
€2,970 EUR
View
B
Retailer 17
-
€4,253 EUR
View
Most Expensive
B
NZ Jewellers
96e44543-1306-4d89-b4a9-f2289f918478 · Nov 5
€5,088 EUR
$5,681 USD
View
17 more retailers have this diamond
Prices start from €1,811 EURSave up to €3,277 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
€1,811 EUR