Round|Natural|IGI

1.50ct I IF Round Natural Diamond

EX • I/IF • IGI 816642568

Shape and cutting style on the report: Round brilliant

Certificate IGI 816642568

Diamond specifications and retailer prices

From $6,603 NZD
As of November 5, 2026
Save $8,647 NZD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $15,564 NZD at NZ Jewellers · As of September 1, 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 816642568. Listed at 21 retailers as of November 5, 2026, with a 131% 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
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 816642568
Dimensions7.19 × 7.24 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.19 mm7.24 mm1.50 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 816642568
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.5%

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: Nov 5
Current: $15,251 NZD|Low: $6,603 NZD|High: $15,542 NZD|Avg: $9,638 NZD|+0.3%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 14$6,603 NZD
Retailer 17$7,635 NZD
Retailer 16$7,783 NZD
Retailer 3$8,080 NZD
Retailer 2$8,729 NZD
Retailer 5$8,754 NZD
Retailer 15$8,754 NZD
Retailer 9$8,857 NZD
Retailer 10$8,921 NZD
Retailer 8$9,090 NZD
Retailer 7$9,106 NZD
Retailer 12$9,295 NZD
Retailer 4$9,339 NZD
Retailer 13$9,668 NZD
Retailer 6$10,101 NZD
Retailer 11$10,681 NZD
Retailer 18$13,904 NZD
NZ Jewellers$15,251 NZD

16 data points across 18 retailers

21 retailers$6,603 NZD to $15,251 NZD

A
Cheapest Retailer
-
$6,603 NZD
A
Retailer 2
-
$7,635 NZD
View
A
Retailer 3
-
$7,783 NZD
View
A
Retailer 4
-
$8,080 NZD
View
Final sale: no returns
A
Retailer 5
-
$8,729 NZD
View
A
Retailer 6
-
$8,754 NZD
View
A
Retailer 7
-
$8,754 NZD
View
A
Retailer 8
-
$8,857 NZD
View
Retailer 9
-
$8,921 NZD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$9,090 NZD
View
A
Retailer 11
-
$9,106 NZD
View
Retailer 12
-
$9,138 NZD
View
Price last confirmed 60 days ago
A
Retailer 13
-
$9,295 NZD
View
A
Retailer 14
-
$9,339 NZD
View
A
Retailer 15
-
$9,668 NZD
View
A
Retailer 16
-
$10,101 NZD
View
Retailer 17
-
$10,545 NZD
View
Price last confirmed 59 days ago
A
Retailer 18
-
$10,681 NZD
View
A
Retailer 19
-
$13,904 NZD
View
B+
Retailer 20
-
$15,251 NZD
View
Most Expensive
NZ Jewellers
bec98ea7-d26e-46fd-af54-05aae79d1fc8 · Sep 1
$15,564 NZD
$8,749 USD
View
Price last confirmed 65 days ago
20 more retailers have this diamond
Prices start from $6,603 NZDSave up to $8,647 NZD

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
$6,603 NZD