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Round|Natural|GIA

1.05ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 3565148837

Certificate GIA 3565148837

Diamond specifications and retailer prices

From €1,490 EUR
As of November 6, 2026
Save €1,979 EUR (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €4,245 EUR at NZ Jewellers · As of October 17, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3565148837. Listed at 17 retailers as of November 4, 2026, with a 133% 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3565148837
Dimensions6.45 × 6.50 × 4.06 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.45 mm6.50 mm1.05 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 3565148837
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €2,165 EUR|Low: €1,490 EUR|High: €3,679 EUR|Avg: €2,222 EUR|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 2€1,490 EUR
Retailer 3€1,493 EUR
Retailer 6€1,790 EUR
Retailer 7€1,811 EUR
Retailer 10€1,833 EUR
Retailer 1€2,165 EUR
Retailer 5€2,280 EUR
Retailer 4€2,552 EUR
Retailer 9€2,880 EUR
Retailer 8€3,469 EUR

30 data points across 10 retailers

17 retailers€1,490 EUR to €3,469 EUR

A
Cheapest Retailer
-
€1,490 EUR
A
Retailer 2
-
€1,493 EUR
View
A
Retailer 3
-
€1,790 EUR
View
A
Retailer 4
-
€1,811 EUR
View
A
Retailer 5
-
€1,833 EUR
View
Final sale: no returns
Retailer 6
-
€2,030 EUR
View
Price last confirmed 20 days ago
A
Retailer 7
-
€2,112 EUR
View
Retailer 8
-
€2,143 EUR
View
Price last confirmed 61 days ago
A
Retailer 9
-
€2,165 EUR
View
Retailer 10
-
€2,171 EUR
View
Price last confirmed 23 days ago
A
Retailer 11
-
€2,280 EUR
View
Retailer 12
-
€2,343 EUR
View
Price last confirmed 20 days ago
Retailer 13
-
€2,473 EUR
View
Price last confirmed 61 days ago
B+
Retailer 14
-
€2,552 EUR
View
B+
Retailer 15
-
€2,880 EUR
View
B+
Retailer 16
-
€3,469 EUR
View
Most Expensive
NZ Jewellers
bb24de06-c911-4205-9c7e-acbdd57db605 · Oct 17
€4,245 EUR
$4,739 USD
View
Price last confirmed 20 days ago
16 more retailers have this diamond
Prices start from €1,490 EURSave up to €1,979 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
€1,490 EUR