Round|Natural|GIA

1.05ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6472035678

Certificate GIA 6472035678

Diamond specifications and retailer prices

From €3,520 EUR
As of November 6, 2026
Save €4,241 EUR (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €10,336 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6472035678. Listed at 15 retailers as of November 5, 2026, with a 120% 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6472035678
Dimensions6.49 × 6.47 × 4.07 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.49 mm6.47 mm1.05 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6472035678
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.9%

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 6
Current: €4,357 EUR|Low: €3,520 EUR|High: €7,180 EUR|Avg: €4,684 EUR|+1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8€3,520 EUR
Retailer 5€3,623 EUR
Retailer 7€3,820 EUR
Retailer 9€4,036 EUR
Retailer 1€4,357 EUR
Retailer 6€4,490 EUR
Retailer 3€5,001 EUR
Retailer 2€5,435 EUR
Retailer 4€7,076 EUR

44 data points across 9 retailers

15 retailers€3,520 EUR to €7,761 EUR

B+
Cheapest Retailer
-
€3,520 EUR
B+
Retailer 2
-
€3,623 EUR
View
B+
Retailer 3
-
€3,820 EUR
View
Retailer 4
-
€4,036 EUR
View
Price last confirmed 9 days ago
B
Retailer 5
-
€4,036 EUR
View
B
Retailer 6
-
€4,036 EUR
View
B
Retailer 7
-
€4,357 EUR
View
Retailer 8
-
€4,490 EUR
View
Price last confirmed 29 days ago
B
Retailer 9
-
€4,657 EUR
View
Retailer 10
-
€4,918 EUR
View
Price last confirmed 15 days ago
B
Retailer 11
-
€5,001 EUR
View
B
Retailer 12
-
€5,435 EUR
View
B
Retailer 13
-
€7,076 EUR
View
B
Retailer 14
-
€7,761 EUR
View
Most Expensive
Diamond Quarter
1.05SI1F647899CDN · Nov 5
€10,336 EUR
£9,087 GBP
View
Price under review
14 more retailers have this diamond
Prices start from €3,520 EURSave up to €4,241 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
€3,520 EUR