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Round|Natural|IGI

1.50ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 731555503

Shape and cutting style on the report: Round brilliant

Certificate IGI 731555503

Diamond specifications and retailer prices

From $3,746 NZD
As of November 6, 2026
Save $4,588 NZD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,973 NZD at NZ Jewellers · As of October 27, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 731555503. Listed at 16 retailers as of November 4, 2026, with a 122% 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
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 731555503
Dimensions7.25 × 7.20 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.25 mm7.20 mm1.50 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 731555503
Side View
Table 57.0%Crown 36.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
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 6
Current: $3,746 NZD|Low: $3,746 NZD|High: $8,457 NZD|Avg: $5,647 NZD|-2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$3,746 NZD
Retailer 2$5,036 NZD
Retailer 3$5,107 NZD
Retailer 5$5,579 NZD
Retailer 6$5,821 NZD
Retailer 4$5,910 NZD
Retailer 7$8,334 NZD

27 data points across 7 retailers

16 retailers$3,746 NZD to $8,334 NZD

A
Cheapest Retailer
-
$3,746 NZD
A
Retailer 2
-
$4,271 NZD
View
Retailer 3
-
$4,481 NZD
View
Price last confirmed 95 days ago
A
Retailer 4
-
$4,696 NZD
View
Retailer 5
-
$4,769 NZD
View
Price last confirmed 8 days ago
Retailer 6
-
$4,769 NZD
View
Price last confirmed 8 days ago
Retailer 7
-
$4,952 NZD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$5,020 NZD
View
A
Retailer 9
-
$5,036 NZD
View
A
Retailer 10
-
$5,107 NZD
View
Retailer 11
-
$5,504 NZD
View
Price last confirmed 10 days ago
A
Retailer 12
-
$5,579 NZD
View
A
Retailer 13
-
$5,821 NZD
View
A
Retailer 14
-
$5,910 NZD
View
B+
Retailer 15
-
$8,334 NZD
View
Most Expensive
NZ Jewellers
ddf19959-c252-4270-bf02-f73822d5a60b · Oct 27
$9,973 NZD
$5,606 USD
View
Price last confirmed 10 days ago
15 more retailers have this diamond
Prices start from $3,746 NZDSave up to $4,588 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
$3,746 NZD