Round|Natural|GIA

3.05ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 3565626875

Certificate GIA 3565626875

Diamond specifications and retailer prices

From £28,087 GBP
As of November 6, 2026
Save £12,350 GBP (31%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £40,437 GBP at Cape Diamonds · As of November 6, 2026
View at Cape Diamonds

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 3565626875. Listed at 7 retailers as of November 6, 2026, with prices from £28,087 to £40,437, a £12,350 spread on the same certified stone. Cape Diamonds lists it at £40,437. 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
OriginNatural
Grading LabGIA
CertificateGIA 3565626875
Dimensions9.13 × 9.20 × 5.75 mm
L/W Ratio1.01
Top View
9.13 mm9.20 mm3.05 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3565626875
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £40,437 GBP|Low: £28,087 GBP|High: £40,437 GBP|Avg: £32,373 GBP
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2£28,087 GBP
Retailer 7£30,370 GBP
Retailer 4£30,921 GBP
Retailer 6£31,781 GBP
Retailer 5£33,594 GBP
Retailer 3£34,208 GBP
Cape Diamonds£40,437 GBP

3 data points across 7 retailers

7 retailers£28,087 GBP to £40,437 GBP

B+
Cheapest Retailer
-
£28,087 GBP
B+
Retailer 2
-
£30,108 GBP
View
B+
Retailer 3
-
£30,921 GBP
View
B+
Retailer 4
-
£31,781 GBP
View
Final sale: no returns
B+
Retailer 5
-
£33,594 GBP
View
B
Retailer 6
-
£34,208 GBP
View
Most Expensive
B
Cape Diamonds
cert_3565626875 · Nov 6
£40,437 GBP
ZAR 874,381 ZAR
View
6 more retailers have this diamond
Prices start from £28,087 GBPSave up to £12,350 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
£28,087 GBP