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 $4,344 USD
As of October 30, 2026
Save $3,590 USD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,678 USD 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
Color
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: $7,934 USD|Low: $3,831 USD|High: $8,287 USD|Avg: $5,341 USD|-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$4,344 USD
Retailer 9$4,363 USD
Retailer 3$4,597 USD
Retailer 7$4,615 USD
Retailer 2$4,981 USD
Retailer 8$4,981 USD
Retailer 5$5,017 USD
Retailer 11$5,518 USD
Retailer 4$5,611 USD
Retailer 6$6,123 USD
Retailer 1$7,934 USD

37 data points across 11 retailers

15 retailers$4,344 USD to $7,934 USD

A
Cheapest Retailer
-
$4,344 USD
A
Retailer 2
-
$4,363 USD
View
A
Retailer 3
-
$4,597 USD
View
Final sale: no returns
A
Retailer 4
-
$4,615 USD
View
Retailer 5
-
$4,688 USD
View
Price last confirmed 97 days ago
Retailer 6
-
$4,981 USD
View
Price last confirmed 38 days ago
A
Retailer 7
-
$4,981 USD
View
A
Retailer 8
-
$4,981 USD
View
A
Retailer 9
-
$5,017 USD
£3,950 GBP
View
A
Retailer 10
-
$5,518 USD
£4,345 GBP
View
A
Retailer 11
-
$5,611 USD
€5,344 EUR
View
Retailer 12
-
$5,747 USD
View
Price last confirmed 40 days ago
B+
Retailer 13
-
$6,123 USD
ZAR 98,910 ZAR
View
B+
Retailer 14
-
$7,934 USD
£6,247 GBP
View
Most Expensive
NZ Jewellers
cfd6d061-7d02-4759-aa83-51e0d0ed9ce9 · Sep 19
$8,678 USD
View
Price last confirmed 42 days ago
14 more retailers have this diamond
Prices start from $4,344 USDSave up to $3,590 USD

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
$4,344 USD