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Marquise|Natural|IGI

1.50ct K SI1 Marquise Natural Diamond

VG • K/SI1 • IGI 794652736

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 794652736

Diamond specifications and retailer prices

From $4,333 NZD
As of November 5, 2026
Save $5,785 NZD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $10,118 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 794652736. Listed at 16 retailers as of November 5, 2026, with prices from $4,333 to $10,118, a $5,785 spread on the same certified stone. NZ Jewellers lists it at $10,118. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.6°
Pavilion angle34.9°
OriginNatural
Grading LabIGI
CertificateIGI 794652736
Dimensions11.06 × 5.98 × 3.61 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizePointed
Top View
11.06 mm5.98 mm1.50 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 794652736
Side View
Table 57.0%Crown 38.6°Girdle: STK-THKPavilion 34.9°Culet: NoneDepth 60.4%

Caratlytics Score

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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 5
Current: $10,118 NZD|Low: $4,333 NZD|High: $10,118 NZD|Avg: $5,658 NZD
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
November 7, 2026
Retailer 4$4,333 NZD
Retailer 15$4,701 NZD
Retailer 16$4,771 NZD
Retailer 3$4,840 NZD
Retailer 14$4,840 NZD
Retailer 13$5,026 NZD
Retailer 7$5,094 NZD
Retailer 5$5,100 NZD
Retailer 12$5,132 NZD
Retailer 2$5,197 NZD
Retailer 6$5,585 NZD
Retailer 8$5,610 NZD
Retailer 9$5,644 NZD
Retailer 10$5,908 NZD
Retailer 11$8,457 NZD
NZ Jewellers$10,118 NZD

45 data points across 16 retailers

16 retailers$4,333 NZD to $10,118 NZD

A
Cheapest Retailer
-
$4,333 NZD
B+
Retailer 2
-
$4,701 NZD
View
B+
Retailer 3
-
$4,771 NZD
View
B+
Retailer 4
-
$4,840 NZD
View
Retailer 5
-
$4,840 NZD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$5,026 NZD
View
B+
Retailer 7
-
$5,094 NZD
View
B+
Retailer 8
-
$5,100 NZD
View
B+
Retailer 9
-
$5,132 NZD
View
A
Retailer 10
-
$5,197 NZD
View
Retailer 11
-
$5,401 NZD
View
Price last confirmed 62 days ago
B+
Retailer 12
-
$5,585 NZD
View
A
Retailer 13
-
$5,644 NZD
View
B+
Retailer 14
-
$5,908 NZD
View
B+
Retailer 15
-
$8,457 NZD
View
Most Expensive
B
NZ Jewellers
bdb78874-8953-4380-b1bc-d46fbf9fb832 · Nov 5
$10,118 NZD
$5,609 USD
View
15 more retailers have this diamond
Prices start from $4,333 NZDSave up to $5,785 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 Marquise
$4,333 NZD