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Round|Natural|GIA

0.90ct M SI2 Round Natural Diamond

VG • M/SI2 • GIA 7311721310

Certificate GIA 7311721310

Diamond specifications and retailer prices

From $1,368 NZD
As of November 5, 2026
Save $2,923 NZD (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,291 NZD 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 GIA 7311721310. Listed at 8 retailers as of November 5, 2026, with prices from $1,368 to $4,291, a $2,923 spread on the same certified stone. NZ Jewellers lists it at $4,291. 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
SymmetryVery Good
FluorescenceNone
Crown angle37°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7311721310
Dimensions6.10 × 3.91 × 6.15 mm
L/W Ratio1.56
Top View
6.10 mm3.91 mm0.90 ctM / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7311721310
Side View
Table 55.0%Crown 37°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 63.8%

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: $4,291 NZD|Low: $1,368 NZD|High: $4,291 NZD|Avg: $2,055 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$1,368 NZD
Retailer 7$1,368 NZD
Retailer 6$1,389 NZD
Retailer 4$1,421 NZD
Retailer 8$1,578 NZD
Retailer 9$1,649 NZD
Retailer 3$1,930 NZD
Retailer 10$2,001 NZD
Retailer 2$3,520 NZD
NZ Jewellers$4,291 NZD

38 data points across 10 retailers

8 retailers$1,368 NZD to $4,291 NZD

B+
Cheapest Retailer
-
$1,368 NZD
Retailer 2
-
$1,368 NZD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$1,389 NZD
View
B+
Retailer 4
-
$1,421 NZD
View
B+
Retailer 5
-
$1,578 NZD
View
B
Retailer 6
-
$1,930 NZD
View
C
Retailer 7
-
$3,520 NZD
View
Most Expensive
C
NZ Jewellers
e499a1c6-6f65-49d6-a3bc-4a2bf95a419d · Nov 5
$4,291 NZD
$2,412 USD
View
7 more retailers have this diamond
Prices start from $1,368 NZDSave up to $2,923 NZD

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
$1,368 NZD