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Marquise|Natural|IGI

1.50ct I SI1 Marquise Natural Diamond

VG • I/SI1 • IGI 843696740

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 843696740

Diamond specifications and retailer prices

From $6,053 AUD
₹404,025 INR
As of November 2, 2026
Save $7,078 AUD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $13,132 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 843696740. Listed at 16 retailers as of October 30, 2026, with prices from $6,053 to $13,132, a $7,078 spread on the same certified stone. NZ Jewellers lists it at $13,132. 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

1.50
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle38.7°
OriginNatural
Grading LabIGI
CertificateIGI 843696740
Dimensions11.26 × 5.84 × 3.74 mm
L/W Ratio1.93
Girdle conditionFaceted
Top View
11.26 mm5.84 mm1.50 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 843696740
Side View
Table 57.0%Crown 37.8°Girdle: STK-THKPavilion 38.7°Culet: NoneDepth 64.0%

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 2
Current: $13,132 AUD|Low: $6,053 AUD|High: $14,718 AUD|Avg: $8,852 AUD|-10.8%
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
November 2, 2026
Retailer 10$6,053 AUD
Retailer 11$6,762 AUD
Retailer 8$7,040 AUD
Retailer 14$7,156 AUD
Retailer 5$7,349 AUD
Retailer 12$7,356 AUD
Retailer 15$7,713 AUD
Retailer 2$7,752 AUD
Retailer 3$7,752 AUD
Retailer 6$7,799 AUD
Retailer 7$7,851 AUD
Retailer 13$8,537 AUD
Retailer 9$8,945 AUD
Retailer 4$9,651 AUD
Retailer 16$12,506 AUD
NZ Jewellers$13,132 AUD

18 data points across 16 retailers

16 retailers$6,053 AUD to $13,132 AUD

A
Cheapest Retailer
-
$6,053 AUD
₹404,025 INR
A
Retailer 2
-
$6,762 AUD
$4,739 USD
View
A
Retailer 3
-
$7,040 AUD
$4,934 USD
View
A
Retailer 4
-
$7,156 AUD
$5,015 USD
View
Final sale: no returns
A
Retailer 5
-
$7,349 AUD
$5,150 USD
View
A
Retailer 6
-
$7,356 AUD
£4,059 GBP
View
A
Retailer 7
-
$7,713 AUD
£4,256 GBP
View
Retailer 8
-
$7,752 AUD
$5,433 USD
View
A
Retailer 9
-
$7,752 AUD
$5,433 USD
View
A
Retailer 10
-
$7,799 AUD
$5,465 USD
View
Retailer 11
-
$7,851 AUD
$5,502 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$8,537 AUD
€5,698 EUR
View
B+
Retailer 13
-
$8,945 AUD
$6,269 USD
View
B+
Retailer 14
-
$9,651 AUD
ZAR 109,265 ZAR
View
B
Retailer 15
-
$12,506 AUD
£6,901 GBP
View
Most Expensive
B
NZ Jewellers
23bbefd9-0c06-49a8-807a-6b34138f14a2 · Oct 30
$13,132 AUD
$9,203 USD
View
15 more retailers have this diamond
Prices start from $6,053 AUDSave up to $7,078 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
$6,053 AUD