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Round|Natural|GIA

3.05ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 3405040012

Certificate GIA 3405040012

Diamond specifications and retailer prices

From £34,528 GBP
As of November 1, 2026
Save £28,845 GBP (46%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £63,372 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.05ct natural round diamond

This 3.05ct natural round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3405040012. Listed at 20 retailers as of November 1, 2026, with prices from £34,528 to £63,372, a £28,845 spread on the same certified stone. MOH London lists it at £63,372. 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

3.05
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 3405040012
Dimensions9.23 × 9.18 × 5.73 mm
L/W Ratio1.01
Top View
9.23 mm9.18 mm3.05 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3405040012
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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 1
Current: £63,372 GBP|Low: £34,528 GBP|High: £64,309 GBP|Avg: £43,679 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9£34,528 GBP
Retailer 5£36,927 GBP
Retailer 8£36,944 GBP
Retailer 10£38,937 GBP
Retailer 4£40,079 GBP
Retailer 2£41,964 GBP
Retailer 6£45,320 GBP
Retailer 7£47,457 GBP
Retailer 3£52,380 GBP
MOH London£63,372 GBP

38 data points across 10 retailers

20 retailers£34,528 GBP to £63,372 GBP

B+
Cheapest Retailer
-
£34,528 GBP
B+
Retailer 2
-
£36,846 GBP
View
B+
Retailer 3
-
£36,871 GBP
View
B+
Retailer 4
-
£36,927 GBP
View
Final sale: no returns
Retailer 5
-
£36,944 GBP
View
Price last confirmed 9 days ago
Retailer 6
-
£38,937 GBP
View
Price last confirmed 33 days ago
B
Retailer 7
-
£39,391 GBP
View
B+
Retailer 8
-
£40,079 GBP
View
Retailer 9
-
£40,687 GBP
View
Price last confirmed 8 days ago
B
Retailer 10
-
£41,644 GBP
View
B
Retailer 11
-
£41,644 GBP
View
B
Retailer 12
-
£41,964 GBP
View
B
Retailer 13
-
£42,382 GBP
View
B
Retailer 14
-
£43,026 GBP
View
B
Retailer 15
-
£43,521 GBP
View
B
Retailer 16
-
£44,077 GBP
View
B
Retailer 17
-
£45,320 GBP
View
B
Retailer 18
-
£47,457 GBP
View
B
Retailer 19
-
£52,380 GBP
View
Most Expensive
B
MOH London
796D7EA22 · Nov 4
£63,372 GBP
View
19 more retailers have this diamond
Prices start from £34,528 GBPSave up to £28,845 GBP

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+
3.05ct Round
£34,528 GBP