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Round|Natural|GIA

3.00ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 2557473841

Certificate GIA 2557473841

Diamond specifications and retailer prices

From £12,698 GBP
As of November 4, 2026
Save £5,859 GBP (32%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £18,557 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 3ct natural round diamond

This 3ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2557473841. Listed at 8 retailers as of November 2, 2026, with prices from £12,698 to £18,557, a £5,859 spread on the same certified stone. MOH London lists it at £18,557. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.00
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle38°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 2557473841
Dimensions8.87 × 8.98 × 5.78 mm
L/W Ratio1.01
Girdle conditionThick
Key to symbols
Cloud, Crystal, Cavity, Needle, Indented Natural
Top View
8.87 mm8.98 mm3.00 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2557473841
Side View
Table 58.0%Crown 38°Girdle: THN-THKPavilion 40.4°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £18,557 GBP|Low: £10,784 GBP|High: £23,650 GBP|Avg: £15,107 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 10£10,784 GBP
Retailer 11£11,209 GBP
Retailer 2£12,698 GBP
Retailer 12£13,010 GBP
Retailer 9£13,198 GBP
Retailer 5£13,716 GBP
Retailer 8£13,846 GBP
Retailer 6£14,063 GBP
Retailer 4£15,432 GBP
Retailer 7£16,661 GBP
MOH London£18,557 GBP
Retailer 3£23,650 GBP

12 data points across 12 retailers

8 retailers£12,698 GBP to £18,557 GBP

Retailer 1
-
£10,784 GBP
Price last confirmed 16 days ago
B+
Retailer 2
-
£12,698 GBP
View
B+
Retailer 3
-
£13,198 GBP
View
B+
Retailer 4
-
£13,716 GBP
View
B+
Retailer 5
-
£13,846 GBP
View
B+
Retailer 6
-
£14,063 GBP
View
B+
Retailer 7
-
£16,661 GBP
View
Most Expensive
B
MOH London
4DE51A1CB · Nov 2
£18,557 GBP
View
7 more retailers have this diamond
Prices start from £12,698 GBPSave up to £5,859 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+
3.00ct Round
£12,698 GBP