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Marquise|Natural|IGI

1.51ct M SI2 Marquise Natural Diamond

VG • M/SI2 • IGI 696515927

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 696515927

Diamond specifications and retailer prices

From $4,136 NZD
As of November 4, 2026
Save $1,201 NZD (23%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,577 NZD at NZ Jewellers · As of October 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 M colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 696515927. Listed at 11 retailers as of November 4, 2026, with a 29% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
M
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 696515927
Dimensions11.60 × 6.03 × 3.85 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Brown
Top View
11.60 mm6.03 mm1.51 ctM / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 696515927
Side View
Table 58.0%Crown 33°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $9,577 NZD|Low: $2,556 NZD|High: $9,577 NZD|Avg: $4,876 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3$2,556 NZD
Retailer 9$4,136 NZD
Retailer 8$4,317 NZD
Retailer 4$4,580 NZD
Retailer 6$4,580 NZD
Retailer 10$4,593 NZD
Retailer 7$4,833 NZD
Retailer 5$5,285 NZD
Retailer 2$5,338 NZD
Retailer 11$5,879 NZD
NZ Jewellers$9,577 NZD

19 data points across 11 retailers

11 retailers$4,136 NZD to $5,338 NZD

Retailer 1
-
$4,039 NZD
Price last confirmed 36 days ago
B+
Retailer 2
-
$4,136 NZD
View
B+
Retailer 3
-
$4,317 NZD
View
Retailer 4
-
$4,580 NZD
View
Price last confirmed 33 days ago
B+
Retailer 5
-
$4,580 NZD
View
Retailer 6
-
$4,580 NZD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$4,833 NZD
View
Retailer 8
-
$5,285 NZD
View
Price last confirmed 33 days ago
B+
Retailer 9
-
$5,285 NZD
View
B+
Retailer 10
-
$5,338 NZD
View
Most Expensive
NZ Jewellers
a6ba854c-e077-4919-b9cc-a77dba299b5e · Oct 3
$9,577 NZD
$5,309 USD
View
Price last confirmed 34 days ago
10 more retailers have this diamond
Prices start from $4,136 NZDSave up to $1,201 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.

B+
1.51ct Marquise
$4,136 NZD