Round|Natural|GIA

3.05ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7281761386

Certificate GIA 7281761386

Diamond specifications and retailer prices

From £25,152 GBP
CA$46,808 CAD
As of October 30, 2026
Save £6,039 GBP (19%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £31,191 GBP at The Diamond Guys · As of November 2, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7281761386. Listed at 5 retailers as of October 30, 2026, with prices from £25,152 to £31,191, a £6,039 spread on the same certified stone. The Diamond Guys lists it at £31,191. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7281761386
Dimensions9.30 × 9.34 × 5.70 mm
L/W Ratio1.00
Top View
9.30 mm9.34 mm3.05 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7281761386
Side View
Table 60.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 61.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: £30,558 GBP|Low: £28,330 GBP|High: £30,775 GBP|Avg: £29,562 GBP|+2.4%
Retailer 1
Retailer 2
November 1, 2026
Retailer 2£28,607 GBP
Retailer 1£30,558 GBP

36 data points across 2 retailers

5 retailers£25,152 GBP to £31,191 GBP

B
Cheapest Retailer
-
£25,152 GBP
CA$46,808 CAD
B
Retailer 2
-
£28,607 GBP
View
B
Retailer 3
-
£29,302 GBP
$39,262 USD
View
B
Retailer 4
-
£30,558 GBP
€38,995 EUR
View
Most Expensive
B
The Diamond Guys
1780848624 · Nov 2
£31,191 GBP
$41,793 USD
View
4 more retailers have this diamond
Prices start from £25,152 GBPSave up to £6,039 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
£25,152 GBP