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Round|Natural|IGI

1.55ct I VS1 Round Natural Diamond

EX • I/VS1 • IGI 803629393

Shape and cutting style on the report: Round brilliant

Certificate IGI 803629393

Diamond specifications and retailer prices

From £3,215 GBP
As of November 4, 2026
Save £3,448 GBP (52%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £6,662 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 803629393. Listed at 9 retailers as of November 4, 2026, with prices from £3,215 to £6,662, a £3,448 spread on the same certified stone. MOH London lists it at £6,662. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 803629393
Dimensions7.32 × 7.36 × 4.62 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.32 mm7.36 mm1.55 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803629393
Side View
Table 59.0%Crown 35.3°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.9%

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 4
Current: £6,662 GBP|Low: £3,215 GBP|High: £6,716 GBP|Avg: £4,447 GBP|+2.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3£3,215 GBP
Retailer 5£3,216 GBP
Retailer 2£4,104 GBP
Retailer 7£4,252 GBP
Retailer 8£4,252 GBP
Retailer 6£4,393 GBP
Retailer 9£4,627 GBP
Retailer 4£4,731 GBP
MOH London£6,662 GBP

41 data points across 9 retailers

9 retailers£3,215 GBP to £6,662 GBP

A
Cheapest Retailer
-
£3,215 GBP
A
Retailer 2
-
£3,216 GBP
View
A
Retailer 3
-
£4,104 GBP
View
A
Retailer 4
-
£4,252 GBP
View
A
Retailer 5
-
£4,252 GBP
View
A
Retailer 6
-
£4,393 GBP
View
Retailer 7
-
£4,627 GBP
View
Price last confirmed 13 days ago
A
Retailer 8
-
£4,731 GBP
View
Most Expensive
B+
MOH London
0A2363687 · Nov 4
£6,662 GBP
View
8 more retailers have this diamond
Prices start from £3,215 GBPSave up to £3,448 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
1.55ct Round
£3,215 GBP