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Round|Natural|IGI

1.50ct K IF Round Natural Diamond

EX • K/IF • IGI 608304582

Shape and cutting style on the report: Round brilliant

Certificate IGI 608304582

Diamond specifications and retailer prices

From £3,690 GBP
As of November 4, 2026
Save £3,445 GBP (48%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £7,135 GBP at NZ Jewellers · As of November 5, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 608304582. Listed at 19 retailers as of November 4, 2026, with prices from £3,690 to £7,135, a £3,445 spread on the same certified stone. NZ Jewellers lists it at £7,135. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 608304582
Dimensions7.27 × 7.22 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.27 mm7.22 mm1.50 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 608304582
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.3%

Caratlytics Score

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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 4
Current: £7,135 GBP|Low: £3,745 GBP|High: £7,135 GBP|Avg: £4,906 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8£3,745 GBP
Retailer 2£3,941 GBP
Retailer 6£4,174 GBP
Retailer 9£4,266 GBP
Retailer 5£4,516 GBP
Retailer 4£4,656 GBP
Retailer 3£5,205 GBP
Retailer 7£6,284 GBP
NZ Jewellers£7,135 GBP

36 data points across 9 retailers

19 retailers£3,690 GBP to £7,135 GBP

A
Cheapest Retailer
-
£3,690 GBP
A
Retailer 2
-
£3,745 GBP
View
A
Retailer 3
-
£3,920 GBP
View
A
Retailer 4
-
£3,941 GBP
View
A
Retailer 5
-
£3,986 GBP
View
A
Retailer 6
-
£4,174 GBP
View
Retailer 7
-
£4,232 GBP
View
Price last confirmed 44 days ago
Retailer 8
-
£4,266 GBP
View
Price last confirmed 8 days ago
A
Retailer 9
-
£4,266 GBP
View
A
Retailer 10
-
£4,266 GBP
View
B+
Retailer 11
-
£4,381 GBP
View
A
Retailer 12
-
£4,516 GBP
View
B+
Retailer 13
-
£4,656 GBP
View
Retailer 14
-
£4,883 GBP
View
Price last confirmed 45 days ago
B+
Retailer 15
-
£4,922 GBP
View
B+
Retailer 16
-
£5,205 GBP
View
B+
Retailer 17
-
£6,284 GBP
View
Retailer 18
-
£7,078 GBP
View
Price last confirmed 46 days ago
Most Expensive
B
NZ Jewellers
ff877d84-c7d1-42e7-8383-ce7a3dcd4581 · Nov 5
£7,135 GBP
$9,603 USD
View
18 more retailers have this diamond
Prices start from £3,690 GBPSave up to £3,445 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
£3,690 GBP