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Marquise|Natural|IGI

1.51ct I VS2 Marquise Natural Diamond

VG • I/VS2 • IGI 828653338

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 828653338

Diamond specifications and retailer prices

From $9,425 AUD
As of November 4, 2026
Save $8,649 AUD (48%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $18,075 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 I colour (near-colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI 828653338. Listed at 17 retailers as of November 4, 2026, with prices from $9,425 to $18,075, a $8,649 spread on the same certified stone. NZ Jewellers lists it at $18,075. 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
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle37.5°
OriginNatural
Grading LabIGI
CertificateIGI 828653338
Dimensions11.85 × 5.82 × 3.60 mm
L/W Ratio2.04
Girdle conditionFaceted
Culet sizeNone
Top View
11.85 mm5.82 mm1.51 ctI / VS2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 828653338
Side View
Table 56.0%Crown 40.5°Girdle: STK-THKPavilion 37.5°Culet: NoneDepth 61.9%

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 4
Current: $18,075 AUD|Low: $9,425 AUD|High: $18,443 AUD|Avg: $12,068 AUD|-2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 4$9,425 AUD
Retailer 3$9,710 AUD
Retailer 8$9,974 AUD
Retailer 13$9,984 AUD
Retailer 2$10,128 AUD
Retailer 9$10,179 AUD
Retailer 10$10,227 AUD
Retailer 5$10,748 AUD
Retailer 17$10,808 AUD
Retailer 14$10,974 AUD
Retailer 16$11,044 AUD
Retailer 15$11,159 AUD
Retailer 7$11,688 AUD
Retailer 6$12,470 AUD
Retailer 11$13,186 AUD
Retailer 12$15,021 AUD
NZ Jewellers$18,075 AUD

30 data points across 17 retailers

17 retailers$9,425 AUD to $18,075 AUD

A
Cheapest Retailer
-
$9,425 AUD
A
Retailer 2
-
$9,710 AUD
View
A
Retailer 3
-
$9,974 AUD
View
Final sale: no returns
A
Retailer 4
-
$9,984 AUD
View
A
Retailer 5
-
$10,128 AUD
View
Retailer 6
-
$10,179 AUD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$10,227 AUD
View
A
Retailer 8
-
$10,748 AUD
View
A
Retailer 9
-
$10,808 AUD
View
A
Retailer 10
-
$10,974 AUD
View
A
Retailer 11
-
$11,044 AUD
View
A
Retailer 12
-
$11,159 AUD
View
A
Retailer 13
-
$11,688 AUD
View
A
Retailer 14
-
$12,470 AUD
View
A
Retailer 15
-
$13,186 AUD
View
B+
Retailer 16
-
$15,021 AUD
View
Most Expensive
B
NZ Jewellers
a0ddbc9e-d857-4c28-b042-fc686e2c17e1 · Nov 5
$18,075 AUD
$12,419 USD
View
16 more retailers have this diamond
Prices start from $9,425 AUDSave up to $8,649 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
$9,425 AUD