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Marquise|Natural|IGI

1.51ct J SI2 Marquise Natural Diamond

VG • J/SI2 • IGI 803677736

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 803677736

Diamond specifications and retailer prices

From $3,527 NZD
As of November 5, 2026
Save $3,774 NZD (52%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $7,301 NZD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 very-good cut grade and certified by IGI 803677736. Listed at 6 retailers as of November 5, 2026, with prices from $3,527 to $7,301, a $3,774 spread on the same certified stone. Wholesale Diamonds Direct lists it at $7,301. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle39.2°
OriginNatural
Grading LabIGI
CertificateIGI 803677736
Dimensions10.72 × 5.79 × 3.81 mm
L/W Ratio1.85
Girdle conditionFaceted
Top View
10.72 mm5.79 mm1.51 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803677736
Side View
Table 60.0%Crown 43.9°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 65.8%

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 5
Current: $4,246 NZD|Low: $3,507 NZD|High: $8,324 NZD|Avg: $5,386 NZD|-13.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 6, 2026
Retailer 2$3,527 NZD
Retailer 7$3,559 NZD
Retailer 1$4,246 NZD
Retailer 3$4,257 NZD
Retailer 4$5,314 NZD
Retailer 8$5,515 NZD
Retailer 5$5,751 NZD
Retailer 6$6,949 NZD
Wholesale Diamonds Direct$7,301 NZD

31 data points across 9 retailers

6 retailers$3,527 NZD to $7,301 NZD

A
Cheapest Retailer
-
$3,527 NZD
A
Retailer 2
-
$4,246 NZD
View
A
Retailer 3
-
$4,257 NZD
View
B+
Retailer 4
-
$5,314 NZD
View
B+
Retailer 5
-
$5,515 NZD
View
Most Expensive
B+
Wholesale Diamonds Direct
262936441 · Nov 6
$7,301 NZD
$4,047 USD
View
5 more retailers have this diamond
Prices start from $3,527 NZDSave up to $3,774 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
$3,527 NZD