Round|Natural|GIA

1.05ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1463135785

Certificate GIA 1463135785

Diamond specifications and retailer prices

From €3,009 EUR
As of November 4, 2026
Save €3,434 EUR (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €8,847 EUR at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

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 GIA 1463135785. Listed at 15 retailers as of November 4, 2026, with a 114% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1463135785
Dimensions6.51 × 6.49 × 4.02 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.51 mm6.49 mm1.05 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1463135785
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

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: Nov 4
Current: €3,722 EUR|Low: €2,578 EUR|High: €6,259 EUR|Avg: €3,944 EUR|+1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 4€3,009 EUR
Retailer 7€3,093 EUR
Retailer 6€3,148 EUR
Retailer 9€3,480 EUR
Retailer 1€3,722 EUR
Retailer 8€3,965 EUR
Retailer 5€4,168 EUR
Retailer 2€4,514 EUR
Retailer 3€6,168 EUR

45 data points across 9 retailers

15 retailers€3,009 EUR to €6,443 EUR

B+
Cheapest Retailer
-
€3,009 EUR
B+
Retailer 2
-
€3,093 EUR
View
Final sale: no returns
B+
Retailer 3
-
€3,148 EUR
View
Retailer 4
-
€3,351 EUR
View
Price last confirmed 9 days ago
B+
Retailer 5
-
€3,351 EUR
View
B
Retailer 6
-
€3,480 EUR
View
B
Retailer 7
-
€3,722 EUR
View
B
Retailer 8
-
€3,866 EUR
View
Retailer 9
-
€3,965 EUR
View
Price last confirmed 34 days ago
B
Retailer 10
-
€4,168 EUR
View
Retailer 11
-
€4,185 EUR
View
Price last confirmed 15 days ago
B
Retailer 12
-
€4,514 EUR
View
B
Retailer 13
-
€6,168 EUR
View
B
Retailer 14
-
€6,443 EUR
View
Most Expensive
Diamond Quarter
1.05SI1H14858E06N · Nov 5
€8,847 EUR
£7,778 GBP
View
Price under review
14 more retailers have this diamond
Prices start from €3,009 EURSave up to €3,434 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
€3,009 EUR