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Round|Natural|IGI

3.51ct I VVS1 Round Natural Diamond

EX • I/VVS1 • IGI 810646651

Shape and cutting style on the report: Round brilliant

Certificate IGI 810646651

Diamond specifications and retailer prices

From £16,999 GBP
₹2,169,196 INR
As of October 31, 2026
Save £10,771 GBP (39%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £27,770 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 810646651. Listed at 18 retailers as of October 29, 2026, with prices from £16,999 to £27,770, a £10,771 spread on the same certified stone. MOH London lists it at £27,770. 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
FluorescenceStrong
Crown angle35.7°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 810646651
Dimensions9.65 × 9.72 × 6.08 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
9.65 mm9.72 mm3.51 ctI / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI 810646651
Side View
Table 57.0%Crown 35.7°Girdle: MediumPavilion 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: Oct 31
Current: £27,770 GBP|Low: £16,999 GBP|High: £28,231 GBP|Avg: £20,868 GBP|-1.6%
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
Retailer 14
Retailer 15
October 31, 2026
Retailer 2£16,999 GBP
Retailer 10£17,774 GBP
Retailer 8£18,113 GBP
Retailer 14£18,709 GBP
Retailer 3£19,002 GBP
Retailer 13£19,003 GBP
Retailer 15£19,523 GBP
Retailer 4£20,477 GBP
Retailer 5£20,499 GBP
Retailer 6£21,149 GBP
Retailer 12£21,460 GBP
Retailer 9£21,963 GBP
Retailer 7£23,062 GBP
Retailer 11£25,056 GBP
MOH London£27,770 GBP

22 data points across 15 retailers

18 retailers£16,999 GBP to £27,770 GBP

A
Cheapest Retailer
-
£16,999 GBP
₹2,169,196 INR
A
Retailer 2
-
£17,774 GBP
$23,815 USD
View
A
Retailer 3
-
£18,113 GBP
View
A
Retailer 4
-
£18,579 GBP
A$38,298 AUD
View
A
Retailer 5
-
£18,709 GBP
$25,068 USD
View
Final sale: no returns
A
Retailer 6
-
£19,002 GBP
$25,460 USD
View
A
Retailer 7
-
£19,003 GBP
View
A
Retailer 8
-
£19,523 GBP
$26,158 USD
View
A
Retailer 9
-
£20,477 GBP
SGD 37,077 SGD
View
A
Retailer 10
-
£20,499 GBP
$27,466 USD
View
A
Retailer 11
-
£21,149 GBP
$28,338 USD
View
Retailer 12
-
£21,387 GBP
$28,656 USD
View
Price last confirmed 19 days ago
A
Retailer 13
-
£21,460 GBP
€27,385 EUR
View
A
Retailer 14
-
£21,963 GBP
$29,428 USD
View
Retailer 15
-
£22,210 GBP
$29,759 USD
View
Price last confirmed 17 days ago
A
Retailer 16
-
£23,062 GBP
ZAR 499,205 ZAR
View
A
Retailer 17
-
£25,056 GBP
$33,572 USD
View
Most Expensive
A
MOH London
84C4B2A25 · Oct 29
£27,770 GBP
View
17 more retailers have this diamond
Prices start from £16,999 GBPSave up to £10,771 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
£16,999 GBP