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Radiant|Natural|IGI

1.50ct K SI2 Radiant Natural Diamond

VG • K/SI2 • IGI 805628357

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 805628357

Diamond specifications and retailer prices

From $4,605 NZD
As of November 6, 2026
Save $4,975 NZD (52%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,581 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 805628357. Listed at 10 retailers as of November 5, 2026, with prices from $4,605 to $9,581, a $4,975 spread on the same certified stone. NZ Jewellers lists it at $9,581. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle33.3°
OriginNatural
Grading LabIGI
CertificateIGI 805628357
Dimensions7.85 × 5.56 × 3.91 mm
L/W Ratio1.41
Top View
7.85 mm5.56 mm1.50 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 805628357
Side View
Table 69.0%Crown 36.4°Girdle: ThickPavilion 33.3°CuletDepth 70.3%

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 6
Current: $9,581 NZD|Low: $4,605 NZD|High: $9,581 NZD|Avg: $6,577 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$4,605 NZD
Retailer 3$5,480 NZD
Retailer 6$5,500 NZD
Retailer 9$5,509 NZD
Retailer 8$5,711 NZD
Retailer 5$6,346 NZD
Retailer 4$6,698 NZD
Retailer 7$9,173 NZD
NZ Jewellers$9,581 NZD

41 data points across 9 retailers

10 retailers$4,605 NZD to $9,581 NZD

A
Cheapest Retailer
-
$4,605 NZD
B+
Retailer 2
-
$5,480 NZD
View
B+
Retailer 3
-
$5,500 NZD
View
B+
Retailer 4
-
$5,509 NZD
View
B+
Retailer 5
-
$5,711 NZD
View
B+
Retailer 6
-
$5,756 NZD
View
B+
Retailer 7
-
$6,346 NZD
View
B+
Retailer 8
-
$6,698 NZD
View
B
Retailer 9
-
$9,173 NZD
View
Most Expensive
B
NZ Jewellers
0b63c881-ea09-4ee3-9a73-2b52b5393e56 · Nov 5
$9,581 NZD
$5,311 USD
View
9 more retailers have this diamond
Prices start from $4,605 NZDSave up to $4,975 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 Radiant
$4,605 NZD