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Round|Natural|IGI

1.50ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 731555503

Shape and cutting style on the report: Round brilliant

Certificate IGI 731555503

Diamond specifications and retailer prices

From £1,565 GBP
As of November 6, 2026
Save £1,916 GBP (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,165 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct 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 731555503. Listed at 16 retailers as of November 4, 2026, with a 122% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 731555503
Dimensions7.25 × 7.20 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.25 mm7.20 mm1.50 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 731555503
Side View
Table 57.0%Crown 36.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,565 GBP|Low: £1,565 GBP|High: £3,532 GBP|Avg: £2,358 GBP|-2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1£1,565 GBP
Retailer 2£2,103 GBP
Retailer 3£2,133 GBP
Retailer 5£2,330 GBP
Retailer 6£2,431 GBP
Retailer 4£2,468 GBP
Retailer 7£3,481 GBP

27 data points across 7 retailers

16 retailers£1,565 GBP to £3,481 GBP

A
Cheapest Retailer
-
£1,565 GBP
A
Retailer 2
-
£1,784 GBP
View
Retailer 3
-
£1,872 GBP
View
Price last confirmed 95 days ago
A
Retailer 4
-
£1,961 GBP
View
Retailer 5
-
£1,992 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
£1,992 GBP
View
Price last confirmed 8 days ago
Retailer 7
-
£2,068 GBP
View
Price last confirmed 8 days ago
A
Retailer 8
-
£2,097 GBP
View
A
Retailer 9
-
£2,103 GBP
View
A
Retailer 10
-
£2,133 GBP
View
Retailer 11
-
£2,299 GBP
View
Price last confirmed 10 days ago
A
Retailer 12
-
£2,330 GBP
View
A
Retailer 13
-
£2,431 GBP
View
A
Retailer 14
-
£2,468 GBP
View
B+
Retailer 15
-
£3,481 GBP
View
Most Expensive
NZ Jewellers
ddf19959-c252-4270-bf02-f73822d5a60b · Oct 27
£4,165 GBP
$5,606 USD
View
Price last confirmed 10 days ago
15 more retailers have this diamond
Prices start from £1,565 GBPSave up to £1,916 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
1.50ct Round
£1,565 GBP