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Round|Natural|GIA

0.91ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 6461100646

Certificate GIA 6461100646

Diamond specifications and retailer prices

From $843 AUD
As of November 5, 2026
Save $2,760 AUD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,603 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.91ct natural round diamond

This 0.91ct natural round sits in the just-under-one-carat band, graded M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6461100646. Listed at 12 retailers as of November 5, 2026, with prices from $843 to $3,603, a $2,760 spread on the same certified stone. NZ Jewellers lists it at $3,603. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.91
Carat
M
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6461100646
Dimensions6.11 × 6.17 × 3.85 mm
L/W Ratio1.01
Top View
6.11 mm6.17 mm0.91 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6461100646
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

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 5
Current: $3,603 AUD|Low: $840 AUD|High: $3,603 AUD|Avg: $1,653 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 6, 2026
Retailer 8$843 AUD
Retailer 10$859 AUD
Retailer 3$1,149 AUD
Retailer 14$1,149 AUD
Retailer 9$1,164 AUD
Retailer 11$1,193 AUD
Retailer 12$1,316 AUD
Retailer 13$1,326 AUD
Retailer 4$1,337 AUD
Retailer 7$1,483 AUD
Retailer 5$1,640 AUD
Retailer 6$1,856 AUD
Retailer 2$2,956 AUD
NZ Jewellers$3,603 AUD

44 data points across 14 retailers

12 retailers$843 AUD to $3,603 AUD

A
Cheapest Retailer
-
$843 AUD
A
Retailer 2
-
$859 AUD
View
B+
Retailer 3
-
$1,149 AUD
View
Retailer 4
-
$1,149 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$1,164 AUD
View
B+
Retailer 6
-
$1,193 AUD
View
B+
Retailer 7
-
$1,316 AUD
View
B+
Retailer 8
-
$1,326 AUD
View
B+
Retailer 9
-
$1,337 AUD
View
B+
Retailer 10
-
$1,483 AUD
View
B
Retailer 11
-
$2,956 AUD
View
Most Expensive
C
NZ Jewellers
fe8fa969-9cf7-4e91-85c9-b45e21763dfb · Nov 5
$3,603 AUD
$2,522 USD
View
11 more retailers have this diamond
Prices start from $843 AUDSave up to $2,760 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
0.91ct Round
$843 AUD