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Marquise|Natural|IGI

1.50ct I I1 Marquise Natural Diamond

VG • I/I1 • IGI 808619719

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 808619719

Diamond specifications and retailer prices

From $4,275 AUD
$2,996 USD
As of November 1, 2026
Save $4,115 AUD (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,390 AUD at NZ Jewellers · As of November 3, 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 I1 clarity (included), with a very-good cut grade and certified by IGI 808619719. Listed at 8 retailers as of November 1, 2026, with prices from $4,275 to $8,390, a $4,115 spread on the same certified stone. NZ Jewellers lists it at $8,390. 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
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle32.2°
OriginNatural
Grading LabIGI
CertificateIGI 808619719
Dimensions11.19 × 6.03 × 3.40 mm
L/W Ratio1.86
Girdle conditionFaceted
Top View
11.19 mm6.03 mm1.50 ctI / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 808619719
Side View
Table 60.0%Crown 39.6°Girdle: STK-VTKPavilion 32.2°CuletDepth 56.4%

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 1
Current: $8,390 AUD|Low: $4,000 AUD|High: $8,390 AUD|Avg: $5,286 AUD|+7.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8$4,275 AUD
Retailer 7$4,609 AUD
Retailer 5$4,816 AUD
Retailer 6$4,816 AUD
Retailer 3$5,001 AUD
Retailer 9$5,315 AUD
Retailer 4$5,556 AUD
Retailer 2$5,636 AUD
NZ Jewellers$8,390 AUD

19 data points across 9 retailers

8 retailers$4,275 AUD to $8,390 AUD

B+
Cheapest Retailer
-
$4,275 AUD
$2,996 USD
B+
Retailer 2
-
$4,609 AUD
$3,230 USD
View
Retailer 3
-
$4,816 AUD
$3,375 USD
View
Price last confirmed 18 days ago
B+
Retailer 4
-
$4,816 AUD
$3,375 USD
View
B+
Retailer 5
-
$5,001 AUD
$3,505 USD
View
B+
Retailer 6
-
$5,556 AUD
$3,894 USD
View
B+
Retailer 7
-
$5,636 AUD
€3,762 EUR
View
Most Expensive
B+
NZ Jewellers
69833d1c-4260-4824-9f44-fdfacfdfa3a0 · Nov 3
$8,390 AUD
$5,880 USD
View
7 more retailers have this diamond
Prices start from $4,275 AUDSave up to $4,115 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+
1.50ct Marquise
$4,275 AUD