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Round|Natural|GIA

1.05ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 2235458854

Certificate GIA 2235458854

Diamond specifications and retailer prices

From €2,630 EUR
As of November 6, 2026
Save €2,834 EUR (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €5,464 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2235458854. Listed at 10 retailers as of November 5, 2026, with prices from €2,630 to €5,464, a €2,834 spread on the same certified stone. Diamond Quarter lists it at €5,464. 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
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2235458854
Dimensions6.55 × 6.52 × 4.04 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Culet sizeNone
Top View
6.55 mm6.52 mm1.05 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2235458854
Side View
Table 59.0%Crown 36°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 61.7%

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: €3,721 EUR|Low: €2,490 EUR|High: €4,252 EUR|Avg: €3,284 EUR|+2.2%
Retailer 1
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
November 5, 2026
Retailer 11€2,490 EUR
Retailer 8€2,630 EUR
Retailer 7€2,660 EUR
Retailer 13€2,673 EUR
Retailer 6€2,874 EUR
Retailer 9€3,142 EUR
Retailer 10€3,341 EUR
Retailer 3€3,484 EUR
Retailer 12€3,484 EUR
Retailer 14€3,545 EUR
Retailer 2€3,601 EUR
Retailer 1€3,721 EUR
Retailer 4€4,045 EUR
Retailer 5€4,252 EUR

21 data points across 14 retailers

10 retailers€2,630 EUR to €5,464 EUR

B+
Cheapest Retailer
-
€2,630 EUR
A
Retailer 2
-
€2,660 EUR
View
B+
Retailer 3
-
€2,673 EUR
View
B+
Retailer 4
-
€3,142 EUR
View
B
Retailer 5
-
€3,341 EUR
View
B+
Retailer 6
-
€3,484 EUR
View
B+
Retailer 7
-
€3,484 EUR
View
B+
Retailer 8
-
€3,601 EUR
View
B+
Retailer 9
-
€3,721 EUR
View
Most Expensive
B
Diamond Quarter
1.05SI2F225422B5N · Nov 5
€5,464 EUR
£4,803 GBP
View
9 more retailers have this diamond
Prices start from €2,630 EURSave up to €2,834 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
€2,630 EUR