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Round|Natural|IGI

1.50ct J IF Round Natural Diamond

EX • J/IF • IGI 642405107

Shape and cutting style on the report: Round brilliant

Certificate IGI 642405107

Diamond specifications and retailer prices

From £3,242 GBP
$4,344 USD
As of October 30, 2026
Save £2,679 GBP (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £6,477 GBP at NZ Jewellers · As of September 19, 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 J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 642405107. Listed at 15 retailers as of October 30, 2026, with a 83% 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
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle41.9°
OriginNatural
Grading LabIGI
CertificateIGI 642405107
Dimensions7.31 × 7.26 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.31 mm7.26 mm1.50 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 642405107
Side View
Table 61.0%Crown 32.9°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 60.8%

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: Oct 30
Current: £5,921 GBP|Low: £2,859 GBP|High: £6,185 GBP|Avg: £3,986 GBP|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 10£3,242 GBP
Retailer 9£3,256 GBP
Retailer 3£3,431 GBP
Retailer 7£3,444 GBP
Retailer 2£3,717 GBP
Retailer 8£3,717 GBP
Retailer 5£3,744 GBP
Retailer 11£4,118 GBP
Retailer 4£4,188 GBP
Retailer 6£4,569 GBP
Retailer 1£5,921 GBP

37 data points across 11 retailers

15 retailers£3,242 GBP to £5,921 GBP

A
Cheapest Retailer
-
£3,242 GBP
$4,344 USD
A
Retailer 2
-
£3,256 GBP
$4,363 USD
View
A
Retailer 3
-
£3,431 GBP
$4,597 USD
View
Final sale: no returns
A
Retailer 4
-
£3,444 GBP
$4,615 USD
View
Retailer 5
-
£3,499 GBP
$4,688 USD
View
Price last confirmed 97 days ago
Retailer 6
-
£3,717 GBP
$4,981 USD
View
Price last confirmed 39 days ago
A
Retailer 7
-
£3,717 GBP
$4,981 USD
View
A
Retailer 8
-
£3,717 GBP
$4,981 USD
View
A
Retailer 9
-
£3,744 GBP
View
A
Retailer 10
-
£4,118 GBP
View
A
Retailer 11
-
£4,188 GBP
€5,344 EUR
View
Retailer 12
-
£4,289 GBP
$5,747 USD
View
Price last confirmed 40 days ago
B+
Retailer 13
-
£4,569 GBP
ZAR 98,910 ZAR
View
B+
Retailer 14
-
£5,921 GBP
View
Most Expensive
NZ Jewellers
cfd6d061-7d02-4759-aa83-51e0d0ed9ce9 · Sep 19
£6,477 GBP
$8,678 USD
View
Price last confirmed 42 days ago
14 more retailers have this diamond
Prices start from £3,242 GBPSave up to £2,679 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
£3,242 GBP