CaratHunter
Plans
Round|Natural|GIA

3.10ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 1559940251

Certificate GIA 1559940251

Diamond specifications and retailer prices

From £26,460 GBP
As of November 6, 2026
Save £22,160 GBP (46%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £48,620 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.1ct natural round diamond

This 3.1ct natural round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559940251. Listed at 20 retailers as of November 4, 2026, with prices from £26,460 to £48,620, a £22,160 spread on the same certified stone. MOH London lists it at £48,620. 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

3.10
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 1559940251
Dimensions9.21 × 9.29 × 5.80 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
9.21 mm9.29 mm3.10 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559940251
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.7%

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: £48,620 GBP|Low: £26,460 GBP|High: £50,482 GBP|Avg: £35,415 GBP|-3.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7£26,460 GBP
Retailer 3£29,860 GBP
Retailer 5£30,729 GBP
Retailer 10£31,583 GBP
Retailer 11£31,671 GBP
Retailer 9£33,388 GBP
Retailer 2£33,996 GBP
Retailer 6£37,660 GBP
Retailer 8£38,373 GBP
Retailer 4£40,186 GBP
MOH London£48,620 GBP

32 data points across 11 retailers

20 retailers£26,460 GBP to £48,620 GBP

A
Cheapest Retailer
-
£26,460 GBP
Retailer 2
-
£29,860 GBP
View
Price last confirmed 27 days ago
Retailer 3
-
£30,593 GBP
View
Price last confirmed 33 days ago
B+
Retailer 4
-
£30,729 GBP
View
B+
Retailer 5
-
£31,583 GBP
View
Final sale: no returns
B+
Retailer 6
-
£31,671 GBP
View
B+
Retailer 7
-
£33,388 GBP
View
Retailer 8
-
£33,618 GBP
View
Price last confirmed 39 days ago
B+
Retailer 9
-
£33,996 GBP
View
Retailer 10
-
£34,140 GBP
View
Price last confirmed 69 days ago
Retailer 11
-
£35,255 GBP
View
Price last confirmed 25 days ago
Retailer 12
-
£36,723 GBP
View
Price last confirmed 38 days ago
B+
Retailer 13
-
£37,660 GBP
View
Retailer 14
-
£38,192 GBP
View
Price last confirmed 36 days ago
B+
Retailer 15
-
£38,373 GBP
View
Retailer 16
-
£39,191 GBP
View
Price last confirmed 68 days ago
Retailer 17
-
£39,661 GBP
View
Price last confirmed 35 days ago
B+
Retailer 18
-
£40,186 GBP
View
Retailer 19
-
£40,768 GBP
View
Price last confirmed 67 days ago
Most Expensive
B
MOH London
FA8C2EEE9 · Nov 4
£48,620 GBP
View
19 more retailers have this diamond
Prices start from £26,460 GBPSave up to £22,160 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
3.10ct Round
£26,460 GBP