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Round|Natural|IGI

1.50ct J IF Round Natural Diamond

EX • J/IF • IGI 620496970

Shape and cutting style on the report: Round brilliant

Certificate IGI 620496970

Diamond specifications and retailer prices

From £3,944 GBP
$5,284 USD
As of October 30, 2026
Save £3,619 GBP (48%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £7,563 GBP at NZ Jewellers · As of October 30, 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 620496970. Listed at 15 retailers as of October 30, 2026, with prices from £3,944 to £7,563, a £3,619 spread on the same certified stone. NZ Jewellers lists it at £7,563. 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 angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 620496970
Dimensions7.32 × 7.38 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.32 mm7.38 mm1.50 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 620496970
Side View
Table 59.0%Crown 32.9°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.4%

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: £7,563 GBP|Low: £3,826 GBP|High: £7,563 GBP|Avg: £4,973 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 4£3,967 GBP
Retailer 3£4,173 GBP
Retailer 5£4,213 GBP
Retailer 8£4,468 GBP
Retailer 7£4,484 GBP
Retailer 11£4,522 GBP
Retailer 12£4,522 GBP
Retailer 13£4,522 GBP
Retailer 6£4,942 GBP
Retailer 10£5,218 GBP
Retailer 2£5,556 GBP
Retailer 9£6,697 GBP
NZ Jewellers£7,563 GBP

30 data points across 13 retailers

15 retailers£3,944 GBP to £7,563 GBP

A
Cheapest Retailer
-
£3,944 GBP
$5,284 USD
A
Retailer 2
-
£3,967 GBP
$5,315 USD
View
A
Retailer 3
-
£4,173 GBP
$5,592 USD
View
Final sale: no returns
A
Retailer 4
-
£4,213 GBP
$5,645 USD
View
A
Retailer 5
-
£4,468 GBP
View
A
Retailer 6
-
£4,484 GBP
View
B+
Retailer 7
-
£4,522 GBP
$6,059 USD
View
B+
Retailer 8
-
£4,522 GBP
$6,059 USD
View
B+
Retailer 9
-
£4,522 GBP
$6,059 USD
View
B+
Retailer 10
-
£4,639 GBP
$6,215 USD
View
B+
Retailer 11
-
£4,942 GBP
€6,306 EUR
View
B+
Retailer 12
-
£5,218 GBP
$6,991 USD
View
B+
Retailer 13
-
£5,556 GBP
ZAR 120,260 ZAR
View
B+
Retailer 14
-
£6,697 GBP
View
Most Expensive
B
NZ Jewellers
d6587cb8-18e8-48a8-82f6-1f229f1d2505 · Oct 30
£7,563 GBP
$10,133 USD
View
14 more retailers have this diamond
Prices start from £3,944 GBPSave up to £3,619 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
£3,944 GBP