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Round|Natural|GIA

3.05ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6431081091

Certificate GIA 6431081091

Diamond specifications and retailer prices

From £25,124 GBP
As of November 1, 2026
Save £9,404 GBP (27%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £34,528 GBP at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.05ct natural round diamond

This 3.05ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6431081091. Listed at 9 retailers as of November 1, 2026, with prices from £25,124 to £34,528, a £9,404 spread on the same certified stone. The Diamond Guys lists it at £34,528. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6431081091
Dimensions9.36 × 9.31 × 5.72 mm
L/W Ratio1.01
Top View
9.36 mm9.31 mm3.05 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6431081091
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.3%

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 1
Current: £26,563 GBP|Low: £25,124 GBP|High: £34,761 GBP|Avg: £29,243 GBP|-1.4%
Retailer 1
Retailer 2
Retailer 3
November 5, 2026
Retailer 3£25,124 GBP
Retailer 1£26,563 GBP
Retailer 2£34,428 GBP

45 data points across 3 retailers

9 retailers£25,124 GBP to £34,528 GBP

B+
Cheapest Retailer
-
£25,124 GBP
B+
Retailer 2
-
£26,563 GBP
View
B
Retailer 3
-
£26,927 GBP
View
B
Retailer 4
-
£27,603 GBP
View
B
Retailer 5
-
£30,730 GBP
View
B
Retailer 6
-
£30,730 GBP
View
B
Retailer 7
-
£31,755 GBP
View
B
Retailer 8
-
£34,428 GBP
View
Most Expensive
B
The Diamond Guys
1947483444 · Nov 6
£34,528 GBP
$46,472 USD
View
8 more retailers have this diamond
Prices start from £25,124 GBPSave up to £9,404 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
£25,124 GBP