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Marquise|Natural|IGI

0.90ct K SI2 Marquise Natural Diamond

VG • K/SI2 • IGI 677565014

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 677565014

Diamond specifications and retailer prices

From $1,345 AUD
As of November 6, 2026
Save $3,355 AUD (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,700 AUD at Moon Ocean · As of November 6, 2026
View at Moon Ocean

About this 0.9ct natural marquise diamond

This 0.9ct natural marquise sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 677565014. Listed at 13 retailers as of November 6, 2026, with prices from $1,345 to $4,700, a $3,355 spread on the same certified stone. Moon Ocean lists it at $4,700. 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

0.90
Carat
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle35.9°
OriginNatural
Grading LabIGI
CertificateIGI 677565014
Dimensions10.46 × 4.98 × 2.79 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizePointed
Top View
10.46 mm4.98 mm0.90 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 677565014
Side View
Table 63.0%Crown 37.5°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 56.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,700 AUD|Low: $1,345 AUD|High: $4,786 AUD|Avg: $2,606 AUD|-0.6%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 2$1,345 AUD
Retailer 6$1,827 AUD
Retailer 9$1,827 AUD
Retailer 10$1,863 AUD
Retailer 4$1,896 AUD
Retailer 7$2,107 AUD
Retailer 5$2,366 AUD
Retailer 3$3,336 AUD
Retailer 8$4,454 AUD
Moon Ocean$4,700 AUD

45 data points across 10 retailers

13 retailers$1,345 AUD to $4,700 AUD

A
Cheapest Retailer
-
$1,345 AUD
B+
Retailer 2
-
$1,749 AUD
View
Retailer 3
-
$1,827 AUD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$1,827 AUD
View
Retailer 5
-
$1,827 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$1,863 AUD
View
B+
Retailer 7
-
$1,896 AUD
View
B+
Retailer 8
-
$2,022 AUD
View
B+
Retailer 9
-
$2,107 AUD
View
B
Retailer 10
-
$2,366 AUD
View
B
Retailer 11
-
$3,336 AUD
View
C
Retailer 12
-
$4,454 AUD
View
Most Expensive
C
Moon Ocean
NVN-04CBCF033-014 · Nov 6
$4,700 AUD
£2,543 GBP
View
12 more retailers have this diamond
Prices start from $1,345 AUDSave up to $3,355 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
0.90ct Marquise
$1,345 AUD