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Round|Natural|IGI

1.55ct I VS1 Round Natural Diamond

EX • I/VS1 • IGI 768618060

Shape and cutting style on the report: Round brilliant

Certificate IGI 768618060

Diamond specifications and retailer prices

From £3,162 GBP
As of November 5, 2026
Save £3,518 GBP (53%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £6,680 GBP at MOH London · As of November 2, 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 768618060. Listed at 12 retailers as of November 2, 2026, with prices from £3,162 to £6,680, a £3,518 spread on the same certified stone. MOH London lists it at £6,680. 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 angle36.1°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 768618060
Dimensions7.30 × 7.35 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.30 mm7.35 mm1.55 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 768618060
Side View
Table 58.0%Crown 36.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

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 5
Current: £6,680 GBP|Low: £3,162 GBP|High: £6,761 GBP|Avg: £4,407 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 3£3,162 GBP
Retailer 10£3,658 GBP
Retailer 9£3,871 GBP
Retailer 4£4,104 GBP
Retailer 5£4,166 GBP
Retailer 8£4,194 GBP
Retailer 6£4,463 GBP
Retailer 2£4,581 GBP
Retailer 7£5,156 GBP
MOH London£6,680 GBP

27 data points across 10 retailers

12 retailers£3,162 GBP to £6,680 GBP

A
Cheapest Retailer
-
£3,162 GBP
A
Retailer 2
-
£3,658 GBP
View
A
Retailer 3
-
£3,871 GBP
View
Final sale: no returns
A
Retailer 4
-
£3,922 GBP
View
A
Retailer 5
-
£4,104 GBP
View
A
Retailer 6
-
£4,166 GBP
View
Retailer 7
-
£4,194 GBP
View
Price last confirmed 7 days ago
A
Retailer 8
-
£4,309 GBP
View
A
Retailer 9
-
£4,463 GBP
View
A
Retailer 10
-
£4,581 GBP
View
A
Retailer 11
-
£5,156 GBP
View
Most Expensive
B+
MOH London
1A270D1B2 · Nov 2
£6,680 GBP
View
11 more retailers have this diamond
Prices start from £3,162 GBPSave up to £3,518 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
£3,162 GBP