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Round|Natural|GIA

3.31ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 5222751251

Certificate GIA 5222751251

Diamond specifications and retailer prices

From £30,385 GBP
$40,712 USD
As of October 30, 2026
Save £22,447 GBP (42%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £52,832 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.31ct natural round diamond

This 3.31ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5222751251. Listed at 18 retailers as of October 29, 2026, with prices from £30,385 to £52,832, a £22,447 spread on the same certified stone. MOH London lists it at £52,832. 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

3.31
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5222751251
Dimensions9.49 × 9.46 × 5.90 mm
L/W Ratio1.00
Top View
9.49 mm9.46 mm3.31 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5222751251
Side View
Table 57.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.3%

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: Oct 30
Current: £52,832 GBP|Low: £28,995 GBP|High: £53,183 GBP|Avg: £36,672 GBP|+0.4%
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
October 30, 2026
Retailer 5£28,995 GBP
Retailer 7£30,385 GBP
Retailer 4£30,494 GBP
Retailer 6£31,855 GBP
Retailer 3£33,620 GBP
Retailer 10£33,648 GBP
Retailer 9£33,659 GBP
Retailer 11£35,050 GBP
Retailer 14£35,050 GBP
Retailer 12£36,452 GBP
Retailer 15£37,854 GBP
Retailer 2£40,826 GBP
Retailer 8£40,973 GBP
Retailer 13£43,388 GBP
MOH London£52,832 GBP

30 data points across 15 retailers

18 retailers£30,385 GBP to £52,832 GBP

Retailer 1
-
£28,995 GBP
$38,850 USD
Price last confirmed 24 days ago
B+
Retailer 2
-
£30,385 GBP
$40,712 USD
View
B
Retailer 3
-
£30,494 GBP
$40,858 USD
View
Retailer 4
-
£31,855 GBP
A$65,665 AUD
View
Price last confirmed 32 days ago
B
Retailer 5
-
£33,620 GBP
$45,047 USD
View
Retailer 6
-
£33,620 GBP
$45,047 USD
View
Price last confirmed 17 days ago
Retailer 7
-
£33,620 GBP
$45,047 USD
View
Price last confirmed 33 days ago
B
Retailer 8
-
£33,648 GBP
$45,084 USD
View
B+
Retailer 9
-
£33,659 GBP
View
B
Retailer 10
-
£35,050 GBP
$46,963 USD
View
B
Retailer 11
-
£35,050 GBP
$46,963 USD
View
B
Retailer 12
-
£35,988 GBP
$48,220 USD
View
B
Retailer 13
-
£36,452 GBP
$48,841 USD
View
B
Retailer 14
-
£37,854 GBP
$50,720 USD
View
B
Retailer 15
-
£40,826 GBP
€52,098 EUR
View
B
Retailer 16
-
£40,973 GBP
View
B
Retailer 17
-
£43,388 GBP
ZAR 939,178 ZAR
View
Most Expensive
B
MOH London
DC60FB17B · Oct 29
£52,832 GBP
View
17 more retailers have this diamond
Prices start from £30,385 GBPSave up to £22,447 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+
3.31ct Round
£30,385 GBP