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Marquise|Natural|IGI

1.50ct I SI2 Marquise Natural Diamond

EX • I/SI2 • IGI 792677713

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 792677713

Diamond specifications and retailer prices

From $3,715 AUD
SGD 3,518 SGD
As of October 31, 2026
Save $4,051 AUD (52%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $7,766 AUD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 792677713. Listed at 7 retailers as of October 27, 2026, with prices from $3,715 to $7,766, a $4,051 spread on the same certified stone. Wholesale Diamonds Direct lists it at $7,766. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle42°
OriginNatural
Grading LabIGI
CertificateIGI 792677713
Dimensions11.30 × 5.98 × 3.85 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Top View
11.30 mm5.98 mm1.50 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 792677713
Side View
Table 59.0%Crown 38.1°Girdle: MED-STKPavilion 42°Culet: NoneDepth 64.4%

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: Oct 31
Current: $5,636 AUD|Low: $3,715 AUD|High: $8,666 AUD|Avg: $5,602 AUD|-10.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
November 2, 2026
Retailer 4$3,715 AUD
Retailer 8$3,731 AUD
Retailer 3$4,546 AUD
Retailer 2$4,566 AUD
Retailer 5$5,508 AUD
Retailer 1$5,636 AUD
Retailer 7$5,780 AUD
Retailer 6$7,269 AUD
Wholesale Diamonds Direct$7,766 AUD

33 data points across 9 retailers

7 retailers$3,715 AUD to $7,766 AUD

A
Cheapest Retailer
-
$3,715 AUD
SGD 3,518 SGD
A
Retailer 2
-
$4,546 AUD
$3,186 USD
View
A
Retailer 3
-
$4,566 AUD
$3,200 USD
View
A
Retailer 4
-
$5,508 AUD
$3,860 USD
View
A
Retailer 5
-
$5,636 AUD
€3,762 EUR
View
B+
Retailer 6
-
$5,780 AUD
$4,051 USD
View
Most Expensive
A
Wholesale Diamonds Direct
570704316 · Oct 27
$7,766 AUD
$5,443 USD
View
6 more retailers have this diamond
Prices start from $3,715 AUDSave up to $4,051 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
1.50ct Marquise
$3,715 AUD