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3.11ct G SI1 Round Natural Diamond

EX • G/SI1 • HRD 260000108117

Certificate HRD 260000108117

Diamond specifications and retailer prices

From £18,622 GBP
$24,952 USD
As of October 30, 2026
Save £10,318 GBP (36%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £28,940 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 3.11ct natural round diamond

This 3.11ct natural round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by HRD 260000108117. Listed at 5 retailers as of October 30, 2026, with prices from £18,622 to £28,940, a £10,318 spread on the same certified stone. MOH London lists it at £28,940. 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

3.11
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle32.6°
Pavilion angle41.8°
OriginNatural
Grading LabHRD
CertificateHRD 260000108117
Dimensions9.32 × 9.41 × 5.79 mm
L/W Ratio1.01
Top View
9.32 mm9.41 mm3.11 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateHRD 260000108117
Side View
Table 59.0%Crown 32.6°Girdle: MediumPavilion 41.8°CuletDepth 61.6%

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: Oct 30
Current: £28,940 GBP|Low: £18,622 GBP|High: £29,289 GBP|Avg: £22,055 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 5£18,622 GBP
Retailer 3£18,837 GBP
Retailer 4£20,454 GBP
Retailer 2£22,385 GBP
MOH London£28,940 GBP

39 data points across 5 retailers

5 retailers£18,622 GBP to £28,940 GBP

A
Cheapest Retailer
-
£18,622 GBP
$24,952 USD
A
Retailer 2
-
£18,837 GBP
View
A
Retailer 3
-
£20,454 GBP
$27,406 USD
View
A
Retailer 4
-
£22,385 GBP
€28,565 EUR
View
Most Expensive
B+
MOH London
D0B689878 · Nov 1
£28,940 GBP
View
4 more retailers have this diamond
Prices start from £18,622 GBPSave up to £10,318 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
3.11ct Round
£18,622 GBP