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Marquise|Natural|IGI

1.51ct J SI2 Marquise Natural Diamond

EX • J/SI2 • IGI 762534384

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 762534384

Diamond specifications and retailer prices

From $5,472 NZD
$3,079 USD
As of October 31, 2026
Save $5,266 NZD (49%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,738 NZD at NZ Jewellers · As of October 30, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 762534384. Listed at 14 retailers as of October 30, 2026, with prices from $5,472 to $10,738, a $5,266 spread on the same certified stone. NZ Jewellers lists it at $10,738. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.4°
OriginNatural
Grading LabIGI
CertificateIGI 762534384
Dimensions11.68 × 5.98 × 3.75 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Top View
11.68 mm5.98 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 762534384
Side View
Table 59.0%Crown 35.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.7%

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: Oct 31
Current: $10,738 NZD|Low: $5,472 NZD|High: $11,067 NZD|Avg: $7,336 NZD|-3.0%
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
November 2, 2026
Retailer 12$5,472 NZD
Retailer 4$5,687 NZD
Retailer 11$5,849 NZD
Retailer 13$5,901 NZD
Retailer 6$6,094 NZD
Retailer 9$6,164 NZD
Retailer 5$6,352 NZD
Retailer 2$6,400 NZD
Retailer 8$6,421 NZD
Retailer 3$7,111 NZD
Retailer 7$7,213 NZD
Retailer 10$10,308 NZD
NZ Jewellers$10,738 NZD

45 data points across 13 retailers

14 retailers$5,472 NZD to $10,738 NZD

A
Cheapest Retailer
-
$5,472 NZD
$3,079 USD
A
Retailer 2
-
$5,687 NZD
$3,200 USD
View
Final sale: no returns
A
Retailer 3
-
$5,849 NZD
$3,291 USD
View
A
Retailer 4
-
$5,901 NZD
$3,320 USD
View
A
Retailer 5
-
$6,094 NZD
£2,700 GBP
View
A
Retailer 6
-
$6,164 NZD
$3,468 USD
View
A
Retailer 7
-
$6,352 NZD
$3,574 USD
View
Retailer 8
-
$6,352 NZD
$3,574 USD
View
Price last confirmed 17 days ago
A
Retailer 9
-
$6,400 NZD
$3,601 USD
View
A
Retailer 10
-
$6,421 NZD
$3,613 USD
View
A
Retailer 11
-
$7,111 NZD
$4,001 USD
View
A
Retailer 12
-
$7,213 NZD
€3,865 EUR
View
B+
Retailer 13
-
$10,308 NZD
£4,567 GBP
View
Most Expensive
B+
NZ Jewellers
c5fb1da5-b97b-4ff4-b4f0-bc743ac49258 · Oct 30
$10,738 NZD
$6,042 USD
View
13 more retailers have this diamond
Prices start from $5,472 NZDSave up to $5,266 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
$5,472 NZD