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2.81ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2557201585

Certificate GIA 2557201585

Diamond specifications and retailer prices

From £9,365 GBP
As of November 4, 2026
Save £7,533 GBP (45%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £16,899 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 2.81ct natural round diamond

This 2.81ct 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 2557201585. Listed at 19 retailers as of November 4, 2026, with prices from £9,365 to £16,899, a £7,533 spread on the same certified stone. MOH London lists it at £16,899. 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

2.81
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557201585
Dimensions9.02 × 8.98 × 5.61 mm
L/W Ratio1.00
Top View
9.02 mm8.98 mm2.81 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557201585
Side View
Table 60.0%Crown 33.5°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £16,899 GBP|Low: £9,365 GBP|High: £18,373 GBP|Avg: £12,355 GBP|-7.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 5£9,365 GBP
Retailer 6£9,472 GBP
Retailer 8£9,891 GBP
Retailer 7£9,974 GBP
Retailer 4£10,151 GBP
Retailer 10£10,397 GBP
Retailer 16£10,643 GBP
Retailer 18£10,900 GBP
Retailer 13£11,163 GBP
Retailer 11£11,171 GBP
Retailer 19£11,573 GBP
Retailer 9£11,753 GBP
Retailer 15£11,818 GBP
Retailer 3£12,206 GBP
Retailer 2£12,415 GBP
Retailer 14£13,065 GBP
Retailer 12£14,898 GBP
Retailer 17£15,370 GBP
MOH London£16,899 GBP

28 data points across 19 retailers

19 retailers£9,365 GBP to £16,899 GBP

A
Cheapest Retailer
-
£9,365 GBP
A
Retailer 2
-
£9,472 GBP
View
A
Retailer 3
-
£9,891 GBP
View
A
Retailer 4
-
£9,974 GBP
View
A
Retailer 5
-
£10,151 GBP
View
A
Retailer 6
-
£10,397 GBP
View
Final sale: no returns
A
Retailer 7
-
£10,643 GBP
View
B+
Retailer 8
-
£10,900 GBP
View
A
Retailer 9
-
£11,163 GBP
View
Retailer 10
-
£11,171 GBP
View
Price last confirmed 25 days ago
B+
Retailer 11
-
£11,573 GBP
View
B+
Retailer 12
-
£11,753 GBP
View
B+
Retailer 13
-
£11,818 GBP
View
B+
Retailer 14
-
£12,206 GBP
View
B+
Retailer 15
-
£12,415 GBP
View
B+
Retailer 16
-
£13,065 GBP
View
B
Retailer 17
-
£14,898 GBP
View
B
Retailer 18
-
£15,370 GBP
View
Most Expensive
B
MOH London
3E8451477 · Nov 4
£16,899 GBP
View
18 more retailers have this diamond
Prices start from £9,365 GBPSave up to £7,533 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.

A
2.81ct Round
£9,365 GBP