CaratHunter
Plans
Round|Natural|GIA

2.55ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2534799398

Certificate GIA 2534799398

Diamond specifications and retailer prices

From £7,965 GBP
As of November 1, 2026
Save £5,938 GBP (43%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £13,903 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 2.55ct natural round diamond

This 2.55ct 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 2534799398. Listed at 16 retailers as of November 1, 2026, with prices from £7,965 to £13,903, a £5,938 spread on the same certified stone. MOH London lists it at £13,903. 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

2.55
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2534799398
Dimensions8.98 × 8.94 × 5.27 mm
L/W Ratio1.00
Top View
8.98 mm8.94 mm2.55 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2534799398
Side View
Table 59.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 58.9%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: £13,903 GBP|Low: £7,965 GBP|High: £14,108 GBP|Avg: £10,626 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7£7,965 GBP
Retailer 5£8,210 GBP
Retailer 6£9,502 GBP
Retailer 2£10,114 GBP
Retailer 3£10,720 GBP
Retailer 4£12,256 GBP
MOH London£13,903 GBP

27 data points across 7 retailers

16 retailers£7,965 GBP to £13,903 GBP

A
Cheapest Retailer
-
£7,965 GBP
A
Retailer 2
-
£8,210 GBP
View
A
Retailer 3
-
£8,281 GBP
View
A
Retailer 4
-
£8,625 GBP
View
A
Retailer 5
-
£8,790 GBP
View
A
Retailer 6
-
£9,132 GBP
View
A
Retailer 7
-
£9,502 GBP
View
A
Retailer 8
-
£9,526 GBP
View
Retailer 9
-
£10,089 GBP
View
Price last confirmed 38 days ago
A
Retailer 10
-
£10,114 GBP
View
Retailer 11
-
£10,247 GBP
View
Price last confirmed 36 days ago
Retailer 12
-
£10,641 GBP
View
Price last confirmed 38 days ago
B+
Retailer 13
-
£10,720 GBP
View
B+
Retailer 14
-
£12,256 GBP
View
Retailer 15
-
£13,400 GBP
View
Price last confirmed 39 days ago
Most Expensive
B
MOH London
0B55DEA6F · Nov 4
£13,903 GBP
View
15 more retailers have this diamond
Prices start from £7,965 GBPSave up to £5,938 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
2.55ct Round
£7,965 GBP