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Marquise|Natural|IGI

1.51ct I VS1 Marquise Natural Diamond

VG • I/VS1 • IGI 842601422

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 842601422

Diamond specifications and retailer prices

From $8,320 AUD
$5,844 USD
As of November 1, 2026
Save $7,636 AUD (48%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $15,956 AUD 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 842601422. Listed at 17 retailers as of October 30, 2026, with prices from $8,320 to $15,956, a $7,636 spread on the same certified stone. NZ Jewellers lists it at $15,956. 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
I
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 842601422
Dimensions11.31 × 5.97 × 3.87 mm
L/W Ratio1.89
Girdle conditionFaceted
Top View
11.31 mm5.97 mm1.51 ctI / VS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 842601422
Side View
Table 61.0%Crown 38.6°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 64.8%

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 1
Current: $15,956 AUD|Low: $8,320 AUD|High: $17,250 AUD|Avg: $10,758 AUD|-7.5%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 8$8,320 AUD
Retailer 9$8,379 AUD
Retailer 5$8,418 AUD
Retailer 6$8,805 AUD
Retailer 16$8,806 AUD
Retailer 4$8,848 AUD
Retailer 2$8,862 AUD
Retailer 11$9,256 AUD
Retailer 13$9,540 AUD
Retailer 17$9,686 AUD
Retailer 7$10,327 AUD
Retailer 10$10,422 AUD
Retailer 15$11,007 AUD
Retailer 14$11,721 AUD
Retailer 3$12,475 AUD
Retailer 12$14,055 AUD
NZ Jewellers$15,956 AUD

23 data points across 17 retailers

17 retailers$8,320 AUD to $15,956 AUD

A
Cheapest Retailer
-
$8,320 AUD
$5,844 USD
Retailer 2
-
$8,379 AUD
₹560,544 INR
View
Price last confirmed 13 days ago
A
Retailer 3
-
$8,418 AUD
$5,913 USD
View
A
Retailer 4
-
$8,805 AUD
$6,185 USD
View
Final sale: no returns
A
Retailer 5
-
$8,806 AUD
$6,186 USD
View
A
Retailer 6
-
$8,848 AUD
$6,215 USD
View
A
Retailer 7
-
$8,862 AUD
£4,902 GBP
View
A
Retailer 8
-
$9,256 AUD
£5,119 GBP
View
A
Retailer 9
-
$9,540 AUD
$6,701 USD
View
A
Retailer 10
-
$9,686 AUD
$6,804 USD
View
A
Retailer 11
-
$10,327 AUD
£5,712 GBP
View
A
Retailer 12
-
$10,422 AUD
€6,972 EUR
View
A
Retailer 13
-
$11,007 AUD
$7,732 USD
View
A
Retailer 14
-
$11,721 AUD
ZAR 133,015 ZAR
View
B+
Retailer 15
-
$12,475 AUD
$8,763 USD
View
A
Retailer 16
-
$14,055 AUD
£7,774 GBP
View
Most Expensive
B+
NZ Jewellers
e7b22091-2ce1-4e14-b20c-137e77ee00d4 · Oct 30
$15,956 AUD
$11,208 USD
View
16 more retailers have this diamond
Prices start from $8,320 AUDSave up to $7,636 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.

A
1.51ct Marquise
$8,320 AUD