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Marquise|Natural|IGI

1.51ct K SI1 Marquise Natural Diamond

VG • K/SI1 • IGI 564379971

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 564379971

Diamond specifications and retailer prices

From $4,914 NZD
As of November 7, 2026
10 retailers carry this diamond
Most expensive: $11,022 NZD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct 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 564379971. Listed at 10 retailers as of November 7, 2026. 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

1.51
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle38.2°
OriginNatural
Grading LabIGI
CertificateIGI 564379971
Dimensions10.98 × 5.93 × 3.73 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
10.98 mm5.93 mm1.51 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 564379971
Side View
Table 58.5%Crown 40.8°Girdle: STK-THKPavilion 38.2°Culet: NoneDepth 62.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 7
Current: $11,022 NZD|Low: $4,721 NZD|High: $11,022 NZD|Avg: $6,065 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
November 7, 2026
Retailer 5$4,721 NZD
Retailer 3$4,762 NZD
Retailer 12$4,881 NZD
Retailer 2$4,914 NZD
Retailer 8$5,040 NZD
Retailer 6$5,150 NZD
Retailer 4$5,271 NZD
Retailer 11$5,271 NZD
Retailer 14$5,475 NZD
Retailer 7$5,767 NZD
Retailer 9$6,083 NZD
Retailer 13$6,398 NZD
Retailer 10$9,063 NZD
NZ Jewellers$11,022 NZD

45 data points across 14 retailers

10 retailers

Retailer 1
-
$4,721 NZD
Price last confirmed 18 days ago
Retailer 2
-
$4,762 NZD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$4,914 NZD
View
Retailer 4
-
$5,271 NZD
View
Price last confirmed 20 days ago
Retailer 5
-
$5,475 NZD
View
Price last confirmed 22 days ago
Retailer 6
-
$5,527 NZD
View
Price last confirmed 20 days ago
Retailer 7
-
$6,083 NZD
View
Price last confirmed 19 days ago
Retailer 8
-
$6,398 NZD
View
Price last confirmed 21 days ago
Retailer 9
-
$9,063 NZD
View
Price last confirmed 19 days ago
Most Expensive
NZ Jewellers
534cca71-8742-453c-b014-102c3bf08f18 · Oct 17
$11,022 NZD
$6,110 USD
View
Price last confirmed 20 days ago
9 more retailers have this diamond
Prices start from $4,914 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
1.51ct Marquise
$4,914 NZD