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Marquise|Natural|IGI

1.51ct L SI2 Marquise Natural Diamond

VG • L/SI2 • IGI 788607795

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 788607795

Diamond specifications and retailer prices

From $3,177 AUD
As of November 6, 2026
Save $4,288 AUD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,465 AUD at NZ Jewellers · As of November 5, 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 L colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 788607795. Listed at 11 retailers as of November 5, 2026, with prices from $3,177 to $7,465, a $4,288 spread on the same certified stone. NZ Jewellers lists it at $7,465. 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
L
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle39°
OriginNatural
Grading LabIGI
CertificateIGI 788607795
Dimensions11.11 × 5.94 × 3.85 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizePointed
Top View
11.11 mm5.94 mm1.51 ctL / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 788607795
Side View
Table 58.0%Crown 43.2°Girdle: STK-THKPavilion 39°Culet: NoneDepth 64.8%

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 6
Current: $7,465 AUD|Low: $3,177 AUD|High: $7,693 AUD|Avg: $4,169 AUD|-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
November 6, 2026
Retailer 2$3,177 AUD
Retailer 11$3,496 AUD
Retailer 5$3,551 AUD
Retailer 10$3,570 AUD
Retailer 3$3,681 AUD
Retailer 6$3,720 AUD
Retailer 9$3,735 AUD
Retailer 12$3,756 AUD
Retailer 8$4,059 AUD
Retailer 7$4,366 AUD
Retailer 4$4,378 AUD
NZ Jewellers$7,465 AUD

43 data points across 12 retailers

11 retailers$3,177 AUD to $7,465 AUD

B+
Cheapest Retailer
-
$3,177 AUD
B+
Retailer 2
-
$3,496 AUD
View
B+
Retailer 3
-
$3,551 AUD
View
B+
Retailer 4
-
$3,570 AUD
View
Retailer 5
-
$3,681 AUD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$3,720 AUD
View
B+
Retailer 7
-
$3,735 AUD
View
B+
Retailer 8
-
$3,756 AUD
View
B+
Retailer 9
-
$4,059 AUD
View
B+
Retailer 10
-
$4,366 AUD
View
Most Expensive
C
NZ Jewellers
1593ac59-6a09-4efc-bda3-2d27ad30e31a · Nov 5
$7,465 AUD
$5,129 USD
View
10 more retailers have this diamond
Prices start from $3,177 AUDSave up to $4,288 AUD

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
$3,177 AUD