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1.55ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 550261561

Shape and cutting style on the report: Round brilliant

Certificate IGI 550261561

Diamond specifications and retailer prices

From £3,715 GBP
As of November 5, 2026
14 retailers carry this diamond
Most expensive: £6,041 GBP at NZ Jewellers · As of September 19, 2026
View at NZ Jewellers

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 550261561. Listed at 14 retailers as of November 5, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 550261561
Dimensions7.46 × 7.41 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.46 mm7.41 mm1.55 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 550261561
Side View
Table 57.0%Crown 34.1°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.6%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £3,715 GBP|Low: £2,522 GBP|High: £5,530 GBP|Avg: £3,397 GBP|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 8£2,522 GBP
Retailer 2£2,552 GBP
Retailer 4£2,593 GBP
Retailer 10£2,719 GBP
Retailer 11£2,841 GBP
Retailer 5£2,924 GBP
Retailer 12£2,950 GBP
Retailer 9£3,274 GBP
Retailer 7£3,312 GBP
Retailer 6£3,459 GBP
Retailer 1£3,715 GBP
Retailer 3£4,757 GBP

14 data points across 12 retailers

14 retailers

Retailer 1
-
£2,522 GBP
Price last confirmed 11 days ago
Retailer 2
-
£2,552 GBP
View
Price last confirmed 12 days ago
Retailer 3
-
£2,719 GBP
View
Price last confirmed 9 days ago
Retailer 4
-
£2,841 GBP
View
Price last confirmed 12 days ago
Retailer 5
-
£2,924 GBP
View
Price last confirmed 10 days ago
Retailer 6
-
£2,950 GBP
View
Price last confirmed 11 days ago
Retailer 7
-
£3,274 GBP
View
Price last confirmed 11 days ago
Retailer 8
-
£3,312 GBP
View
Price last confirmed 11 days ago
Retailer 9
-
£3,459 GBP
View
Price last confirmed 10 days ago
Retailer 10
-
£3,468 GBP
View
Price last confirmed 49 days ago
B+
Retailer 11
-
£3,715 GBP
View
Retailer 12
-
£4,001 GBP
View
Price last confirmed 45 days ago
Retailer 13
-
£4,757 GBP
View
Price last confirmed 11 days ago
Most Expensive
NZ Jewellers
15aa9913-ea3b-483c-baf7-91e048515c4a · Sep 19
£6,041 GBP
$8,131 USD
View
Price last confirmed 47 days ago
13 more retailers have this diamond
Prices start from £3,715 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.

B+
1.55ct Round
£3,715 GBP