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Round|Natural|GIA

3.01ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1553980423

Certificate GIA 1553980423

Diamond specifications and retailer prices

From £25,941 GBP
As of November 2, 2026
Save £16,463 GBP (39%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £42,403 GBP at MOH London · As of November 4, 2026
View at MOH London

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 1553980423. Listed at 15 retailers as of November 2, 2026, with prices from £25,941 to £42,403, a £16,463 spread on the same certified stone. MOH London lists it at £42,403. 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
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1553980423
Dimensions9.15 × 9.21 × 5.75 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
9.15 mm9.21 mm3.01 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553980423
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.6%

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 2
Current: £42,403 GBP|Low: £24,312 GBP|High: £43,030 GBP|Avg: £29,658 GBP|+9.3%
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
November 6, 2026
Retailer 3£24,586 GBP
Retailer 11£25,941 GBP
Retailer 16£26,103 GBP
Retailer 9£27,236 GBP
Retailer 13£27,288 GBP
Retailer 5£27,427 GBP
Retailer 14£28,358 GBP
Retailer 6£28,569 GBP
Retailer 15£28,841 GBP
Retailer 7£29,712 GBP
Retailer 8£30,855 GBP
Retailer 4£31,612 GBP
Retailer 2£32,168 GBP
Retailer 10£32,200 GBP
Retailer 12£32,457 GBP
MOH London£42,403 GBP

31 data points across 16 retailers

15 retailers£25,941 GBP to £42,403 GBP

Retailer 1
-
£24,586 GBP
Price last confirmed 35 days ago
B+
Retailer 2
-
£25,941 GBP
View
B+
Retailer 3
-
£26,103 GBP
View
B+
Retailer 4
-
£27,236 GBP
View
B+
Retailer 5
-
£27,288 GBP
View
B
Retailer 6
-
£28,358 GBP
View
Retailer 7
-
£28,569 GBP
View
Price last confirmed 38 days ago
B+
Retailer 8
-
£28,841 GBP
View
Retailer 9
-
£29,712 GBP
View
Price last confirmed 45 days ago
Retailer 10
-
£30,855 GBP
View
Price last confirmed 45 days ago
Retailer 11
-
£31,612 GBP
View
Price last confirmed 36 days ago
B
Retailer 12
-
£32,168 GBP
View
B
Retailer 13
-
£32,200 GBP
View
B
Retailer 14
-
£32,457 GBP
View
Most Expensive
B
MOH London
5D5A10BBE · Nov 4
£42,403 GBP
View
14 more retailers have this diamond
Prices start from £25,941 GBPSave up to £16,463 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+
3.01ct Round
£25,941 GBP