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Round|Natural|IGI

0.90ct M SI2 Round Natural Diamond

VG • M/SI2 • IGI 659451213

Shape and cutting style on the report: Round brilliant

Certificate IGI 659451213

Diamond specifications and retailer prices

From $1,046 AUD
As of November 5, 2026
Save $2,233 AUD (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,278 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.9ct natural round diamond

This 0.9ct natural round sits in the just-under-one-carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 659451213. Listed at 8 retailers as of November 5, 2026, with prices from $1,046 to $3,278, a $2,233 spread on the same certified stone. NZ Jewellers lists it at $3,278. 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
M
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 659451213
Dimensions6.03 × 6.07 × 3.89 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.03 mm6.07 mm0.90 ctM / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 659451213
Side View
Table 55.0%Crown 36.7°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.4%

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 5
Current: $3,278 AUD|Low: $1,004 AUD|High: $3,278 AUD|Avg: $1,422 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$1,046 AUD
Retailer 6$1,083 AUD
Retailer 4$1,234 AUD
Retailer 7$1,297 AUD
Retailer 5$1,434 AUD
Retailer 2$1,471 AUD
NZ Jewellers$3,278 AUD

18 data points across 7 retailers

8 retailers$1,046 AUD to $3,278 AUD

Retailer 1
-
$1,004 AUD
Price last confirmed 36 days ago
Retailer 2
-
$1,046 AUD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$1,046 AUD
View
B+
Retailer 4
-
$1,206 AUD
View
B+
Retailer 5
-
$1,234 AUD
View
B
Retailer 6
-
$1,471 AUD
View
Retailer 7
-
$3,278 AUD
View
Price last confirmed 28 days ago
Most Expensive
C
NZ Jewellers
cef54ef4-5750-47a0-b4d8-4e4d2126be15 · Nov 5
$3,278 AUD
$2,295 USD
View
7 more retailers have this diamond
Prices start from $1,046 AUDSave up to $2,233 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+
0.90ct Round
$1,046 AUD