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Round|Natural|GIA

2.61ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6

Certificate GIA 6

Diamond specifications and retailer prices

From £13,823 GBP
As of November 4, 2026
Save £1,942 GBP (12%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £16,801 GBP at Aurelinne · As of September 6, 2026
View at Aurelinne

About this 2.61ct natural round diamond

This 2.61ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 4 retailers as of November 4, 2026, with a relatively tight 14% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

2.61
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6
Dimensions8.80 × 8.83 × 5.51 mm
L/W Ratio1.00
Top View
8.80 mm8.83 mm2.61 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6
Side View
Table 56.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 62.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: £16,801 GBP|Low: £13,823 GBP|High: £21,157 GBP|Avg: £16,385 GBP
Aurelinne
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
September 29, 2026
Retailer 7£13,823 GBP
Retailer 5£14,934 GBP
Retailer 2£15,681 GBP
Retailer 3£15,766 GBP
Retailer 6£16,179 GBP
Aurelinne£16,801 GBP
Retailer 4£21,157 GBP

2 data points across 7 retailers

4 retailers£13,823 GBP to £15,766 GBP

B
Cheapest Retailer
-
£13,823 GBP
B
Retailer 2
-
£15,766 GBP
View
Retailer 3
-
£16,179 GBP
View
Price last confirmed 60 days ago
Most Expensive
Aurelinne
03ef6b33-25db-4c03-b33a-8add146d8740 · Sep 6
£16,801 GBP
$22,613 USD
View
Price last confirmed 61 days ago
3 more retailers have this diamond
Prices start from £13,823 GBPSave up to £1,942 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
2.61ct Round
£13,823 GBP