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Round|Natural|GIA

1.05ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6565521271

Certificate GIA 6565521271

Diamond specifications and retailer prices

From €1,847 EUR
As of November 6, 2026
Save €2,411 EUR (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,258 EUR at MOH London · As of November 4, 2026
View at MOH London

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 6565521271. Listed at 12 retailers as of November 4, 2026, with prices from €1,847 to €4,258, a €2,411 spread on the same certified stone. MOH London lists it at €4,258. 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
FluorescenceFaint
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6565521271
Dimensions6.50 × 6.48 × 4.01 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural, Natural
Top View
6.50 mm6.48 mm1.05 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565521271
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.8%

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: €4,258 EUR|Low: €1,847 EUR|High: €4,371 EUR|Avg: €2,602 EUR|-2.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 4€1,847 EUR
Retailer 3€2,182 EUR
Retailer 5€2,202 EUR
Retailer 2€2,249 EUR
Retailer 9€2,436 EUR
Retailer 10€2,530 EUR
Retailer 11€2,562 EUR
Retailer 6€2,563 EUR
Retailer 8€2,849 EUR
Retailer 7€2,891 EUR
MOH London€4,258 EUR

23 data points across 11 retailers

12 retailers€1,847 EUR to €4,258 EUR

A
Cheapest Retailer
-
€1,847 EUR
A
Retailer 2
-
€2,182 EUR
View
A
Retailer 3
-
€2,202 EUR
View
A
Retailer 4
-
€2,249 EUR
View
Final sale: no returns
Retailer 5
-
€2,287 EUR
View
Price last confirmed 27 days ago
Retailer 6
-
€2,436 EUR
View
Price last confirmed 9 days ago
B+
Retailer 7
-
€2,530 EUR
View
B+
Retailer 8
-
€2,562 EUR
View
A
Retailer 9
-
€2,563 EUR
View
B+
Retailer 10
-
€2,849 EUR
View
B+
Retailer 11
-
€2,891 EUR
View
Most Expensive
B
MOH London
5231E2A76 · Nov 4
€4,258 EUR
£3,743 GBP
View
11 more retailers have this diamond
Prices start from €1,847 EURSave up to €2,411 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
€1,847 EUR