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Round|Natural|GIA

3.01ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5566649959

Certificate GIA 5566649959

Diamond specifications and retailer prices

From £18,536 GBP
As of November 3, 2026
Save £6,787 GBP (27%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £25,323 GBP at Cape Diamonds · As of November 1, 2026
View at Cape Diamonds

About this 3.01ct natural round diamond

This 3.01ct natural round sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5566649959. Listed at 6 retailers as of November 1, 2026, with prices from £18,536 to £25,323, a £6,787 spread on the same certified stone. Cape Diamonds lists it at £25,323. 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

3.01
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5566649959
Dimensions9.18 × 9.23 × 5.74 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
9.18 mm9.23 mm3.01 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5566649959
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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 3
Current: £25,323 GBP|Low: £18,535 GBP|High: £25,323 GBP|Avg: £21,934 GBP|+0.5%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4£18,536 GBP
Retailer 6£20,963 GBP
Retailer 2£22,640 GBP
Retailer 3£23,359 GBP
Retailer 5£24,258 GBP
Cape Diamonds£25,323 GBP

6 data points across 6 retailers

6 retailers£18,536 GBP to £25,323 GBP

A
Cheapest Retailer
-
£18,536 GBP
B+
Retailer 2
-
£20,963 GBP
View
B+
Retailer 3
-
£22,640 GBP
View
B+
Retailer 4
-
£23,359 GBP
View
B+
Retailer 5
-
£24,258 GBP
View
Most Expensive
B
Cape Diamonds
cert_5566649959 · Nov 1
£25,323 GBP
ZAR 550,615 ZAR
View
5 more retailers have this diamond
Prices start from £18,536 GBPSave up to £6,787 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
3.01ct Round
£18,536 GBP