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Marquise|Natural|IGI

0.40ct J SI1 Marquise Natural Diamond

VG • J/SI1 • IGI 815673836

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 815673836

Diamond specifications and retailer prices

From $361 AUD
₹24,113 INR
As of November 2, 2026
Save $791 AUD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,912 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.4ct natural marquise diamond

This 0.4ct natural marquise sits in the sub-half-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 815673836. Listed at 14 retailers as of November 1, 2026, with a 219% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.40
Carat
J
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle31.1°
Pavilion angle37.9°
OriginNatural
Grading LabIGI
CertificateIGI 815673836
Dimensions7.80 × 3.91 × 2.21 mm
L/W Ratio1.99
Girdle conditionFaceted
Top View
7.80 mm3.91 mm0.40 ctJ / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 815673836
Side View
Table 60.0%Crown 31.1°Girdle: STK-THKPavilion 37.9°Culet: NoneDepth 56.5%

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: $1,912 AUD|Low: $361 AUD|High: $1,912 AUD|Avg: $791 AUD
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
November 2, 2026
Retailer 2$361 AUD
Retailer 3$499 AUD
Retailer 13$537 AUD
Retailer 14$556 AUD
Retailer 9$670 AUD
Retailer 4$672 AUD
Retailer 6$685 AUD
Retailer 5$742 AUD
Retailer 11$773 AUD
Retailer 12$813 AUD
Retailer 8$833 AUD
Retailer 7$1,009 AUD
Retailer 10$1,153 AUD
NZ Jewellers$1,912 AUD

26 data points across 14 retailers

14 retailers$361 AUD to $1,153 AUD

A
Cheapest Retailer
-
$361 AUD
₹24,113 INR
B+
Retailer 2
-
$499 AUD
$350 USD
View
B+
Retailer 3
-
$537 AUD
$376 USD
View
B+
Retailer 4
-
$556 AUD
$390 USD
View
B
Retailer 5
-
$670 AUD
£369 GBP
View
B
Retailer 6
-
$672 AUD
$471 USD
View
B
Retailer 7
-
$685 AUD
$480 USD
View
B
Retailer 8
-
$742 AUD
$520 USD
View
B
Retailer 9
-
$773 AUD
ZAR 8,756 ZAR
View
B
Retailer 10
-
$813 AUD
$570 USD
View
B
Retailer 11
-
$833 AUD
€556 EUR
View
B
Retailer 12
-
$1,009 AUD
£557 GBP
View
C
Retailer 13
-
$1,153 AUD
£636 GBP
View
Most Expensive
NZ Jewellers
0e246bed-4df9-43ac-ae3a-e943e6adb500 · Oct 30
$1,912 AUD
$1,340 USD
View
Price under review
13 more retailers have this diamond
Prices start from $361 AUDSave up to $791 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
0.40ct Marquise
$361 AUD