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Round|Natural|GIA

3.06ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7558532785

Certificate GIA 7558532785

Diamond specifications and retailer prices

From £14,091 GBP
As of November 6, 2026
Save £6,826 GBP (33%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £20,917 GBP at Cape Diamonds · As of November 6, 2026
View at Cape Diamonds

About this 3.06ct natural round diamond

This 3.06ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7558532785. Listed at 10 retailers as of November 6, 2026, with prices from £14,091 to £20,917, a £6,826 spread on the same certified stone. Cape Diamonds lists it at £20,917. 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

3.06
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7558532785
Dimensions9.20 × 9.27 × 5.78 mm
L/W Ratio1.01
Top View
9.20 mm9.27 mm3.06 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7558532785
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.5%

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 6
Current: £20,917 GBP|Low: £12,319 GBP|High: £21,497 GBP|Avg: £16,226 GBP|+18.8%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 3£12,319 GBP
Retailer 5£13,701 GBP
Retailer 4£14,091 GBP
Retailer 13£14,404 GBP
Retailer 7£14,936 GBP
Retailer 8£15,246 GBP
Retailer 11£15,737 GBP
Retailer 2£16,121 GBP
Retailer 10£17,032 GBP
Retailer 6£18,160 GBP
Retailer 9£18,842 GBP
Retailer 12£20,244 GBP
Cape Diamonds£20,917 GBP

23 data points across 13 retailers

10 retailers£14,091 GBP to £20,917 GBP

Retailer 1
-
£12,319 GBP
Price last confirmed 42 days ago
A
Retailer 2
-
£14,091 GBP
View
A
Retailer 3
-
£14,936 GBP
View
A
Retailer 4
-
£15,246 GBP
View
A
Retailer 5
-
£16,121 GBP
View
B+
Retailer 6
-
£17,032 GBP
View
B+
Retailer 7
-
£18,160 GBP
View
Retailer 8
-
£18,169 GBP
View
Price last confirmed 40 days ago
B+
Retailer 9
-
£18,842 GBP
View
Most Expensive
B
Cape Diamonds
cert_7558532785 · Nov 6
£20,917 GBP
ZAR 454,801 ZAR
View
9 more retailers have this diamond
Prices start from £14,091 GBPSave up to £6,826 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
3.06ct Round
£14,091 GBP