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Round|Natural|IGI

3.51ct I VVS1 Round Natural Diamond

EX • I/VVS1 • IGI 825677317

Shape and cutting style on the report: Round brilliant

Certificate IGI 825677317

Diamond specifications and retailer prices

From £26,014 GBP
As of November 1, 2026
Save £17,624 GBP (40%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £43,639 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.51ct natural round diamond

This 3.51ct natural round sits in the three to five carat band, graded I colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI 825677317. Listed at 16 retailers as of October 29, 2026, with prices from £26,014 to £43,639, a £17,624 spread on the same certified stone. MOH London lists it at £43,639. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

3.51
Carat
I
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 825677317
Dimensions9.60 × 9.71 × 6.07 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
9.60 mm9.71 mm3.51 ctI / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 825677317
Side View
Table 59.0%Crown 35.2°Girdle: MediumPavilion 41.7°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 1
Current: £43,639 GBP|Low: £26,007 GBP|High: £45,261 GBP|Avg: £31,842 GBP|-3.6%
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
November 1, 2026
Retailer 6£26,014 GBP
Retailer 5£26,491 GBP
Retailer 10£28,864 GBP
Retailer 8£29,343 GBP
Retailer 13£29,700 GBP
Retailer 9£30,100 GBP
Retailer 12£30,629 GBP
Retailer 3£31,905 GBP
Retailer 11£32,639 GBP
Retailer 4£32,752 GBP
Retailer 7£33,092 GBP
Retailer 2£35,875 GBP
MOH London£43,639 GBP

21 data points across 13 retailers

16 retailers£26,014 GBP to £43,639 GBP

A
Cheapest Retailer
-
£26,014 GBP
Retailer 2
-
£26,491 GBP
$35,495 USD
View
Price last confirmed 10 days ago
A
Retailer 3
-
£28,864 GBP
$38,674 USD
View
A
Retailer 4
-
£29,343 GBP
SGD 53,131 SGD
View
A
Retailer 5
-
£29,700 GBP
$39,795 USD
View
A
Retailer 6
-
£30,100 GBP
$40,331 USD
View
Retailer 7
-
£30,461 GBP
$40,815 USD
View
Price last confirmed 42 days ago
A
Retailer 8
-
£30,629 GBP
$41,039 USD
View
A
Retailer 9
-
£31,202 GBP
A$64,318 AUD
View
A
Retailer 10
-
£31,905 GBP
$42,749 USD
View
A
Retailer 11
-
£32,639 GBP
€41,650 EUR
View
A
Retailer 12
-
£32,752 GBP
$43,884 USD
View
A
Retailer 13
-
£33,092 GBP
$44,339 USD
View
Retailer 14
-
£34,969 GBP
$46,854 USD
View
Price last confirmed 39 days ago
B+
Retailer 15
-
£35,875 GBP
ZAR 776,547 ZAR
View
Most Expensive
B+
MOH London
582A3AC35 · Oct 29
£43,639 GBP
View
15 more retailers have this diamond
Prices start from £26,014 GBPSave up to £17,624 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
3.51ct Round
£26,014 GBP