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Marquise|Natural|IGI

1.51ct J I1 Marquise Natural Diamond

VG • J/I1 • IGI 811694598

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 811694598

Diamond specifications and retailer prices

From $3,641 NZD
₹195,083 INR
As of November 2, 2026
Save $5,950 NZD (62%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,590 NZD at NZ Jewellers · As of November 3, 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 I1 clarity (included), with a very-good cut grade and certified by IGI 811694598. Listed at 10 retailers as of November 2, 2026, with prices from $3,641 to $9,590, a $5,950 spread on the same certified stone. NZ Jewellers lists it at $9,590. 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
J
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle37.1°
OriginNatural
Grading LabIGI
CertificateIGI 811694598
Dimensions11.41 × 5.98 × 3.67 mm
L/W Ratio1.91
Girdle conditionFaceted
Top View
11.41 mm5.98 mm1.51 ctJ / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 811694598
Side View
Table 58.0%Crown 42.3°Girdle: MED-THKPavilion 37.1°Culet: NoneDepth 61.4%

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 2
Current: $9,590 NZD|Low: $3,641 NZD|High: $9,871 NZD|Avg: $4,923 NZD|-2.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2$3,641 NZD
Retailer 3$3,946 NZD
Retailer 5$4,107 NZD
Retailer 4$4,225 NZD
Retailer 9$4,235 NZD
Retailer 6$4,587 NZD
Retailer 8$4,587 NZD
Retailer 7$4,799 NZD
Retailer 10$5,293 NZD
NZ Jewellers$9,590 NZD

12 data points across 10 retailers

10 retailers$3,641 NZD to $9,590 NZD

A
Cheapest Retailer
-
$3,641 NZD
₹195,083 INR
A
Retailer 2
-
$3,946 NZD
$2,220 USD
View
B+
Retailer 3
-
$4,107 NZD
$2,311 USD
View
B+
Retailer 4
-
$4,225 NZD
$2,377 USD
View
B+
Retailer 5
-
$4,235 NZD
$2,383 USD
View
Final sale: no returns
B+
Retailer 6
-
$4,587 NZD
$2,581 USD
View
B+
Retailer 7
-
$4,587 NZD
$2,581 USD
View
B+
Retailer 8
-
$4,799 NZD
$2,700 USD
View
B+
Retailer 9
-
$5,293 NZD
$2,978 USD
View
Most Expensive
B+
NZ Jewellers
556e692e-8569-4c8f-bf0f-7ca0389884d8 · Nov 3
$9,590 NZD
$5,396 USD
View
9 more retailers have this diamond
Prices start from $3,641 NZDSave up to $5,950 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
$3,641 NZD