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Round|Natural|IGI

3.55ct I VVS1 Round Natural Diamond

EX • I/VVS1 • IGI 821618766

Shape and cutting style on the report: Round brilliant

Certificate IGI 821618766

Diamond specifications and retailer prices

From £21,563 GBP
As of November 1, 2026
Save £14,525 GBP (40%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £36,088 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.55ct natural round diamond

This 3.55ct 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 821618766. Listed at 13 retailers as of October 29, 2026, with prices from £21,563 to £36,088, a £14,525 spread on the same certified stone. MOH London lists it at £36,088. 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

3.55
Carat
I
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.1°
Pavilion angle41.2°
OriginNatural
Grading LabIGI
CertificateIGI 821618766
Dimensions9.72 × 9.61 × 6.07 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
9.72 mm9.61 mm3.55 ctI / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 821618766
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

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: Nov 1
Current: £36,088 GBP|Low: £21,563 GBP|High: £36,903 GBP|Avg: £26,362 GBP|-2.2%
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 2£21,563 GBP
Retailer 5£21,976 GBP
Retailer 9£23,808 GBP
Retailer 11£23,879 GBP
Retailer 8£24,256 GBP
Retailer 13£25,336 GBP
Retailer 10£26,445 GBP
Retailer 3£26,602 GBP
Retailer 12£26,974 GBP
Retailer 7£27,380 GBP
Retailer 4£27,684 GBP
Retailer 6£29,683 GBP
MOH London£36,088 GBP

23 data points across 13 retailers

13 retailers£21,563 GBP to £36,088 GBP

A
Cheapest Retailer
-
£21,563 GBP
Retailer 2
-
£21,976 GBP
$29,445 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
£23,808 GBP
$31,900 USD
View
A
Retailer 4
-
£23,879 GBP
$31,995 USD
View
A
Retailer 5
-
£24,256 GBP
SGD 43,919 SGD
View
A
Retailer 6
-
£25,336 GBP
$33,947 USD
View
A
Retailer 7
-
£26,445 GBP
$35,434 USD
View
A
Retailer 8
-
£26,602 GBP
$35,644 USD
View
A
Retailer 9
-
£26,974 GBP
€34,421 EUR
View
A
Retailer 10
-
£27,380 GBP
$36,686 USD
View
A
Retailer 11
-
£27,684 GBP
$37,093 USD
View
A
Retailer 12
-
£29,683 GBP
ZAR 642,513 ZAR
View
Most Expensive
B+
MOH London
443684421 · Oct 29
£36,088 GBP
View
12 more retailers have this diamond
Prices start from £21,563 GBPSave up to £14,525 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
3.55ct Round
£21,563 GBP