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Round|Natural|GIA

1.21ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 7448193127

Certificate GIA 7448193127

Diamond specifications and retailer prices

From $2,176 AUD
As of November 6, 2026
Save $4,137 AUD (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,313 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7448193127. Listed at 12 retailers as of November 5, 2026, with prices from $2,176 to $6,313, a $4,137 spread on the same certified stone. NZ Jewellers lists it at $6,313. 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

1.21
Carat
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7448193127
Dimensions6.80 × 6.75 × 4.26 mm
L/W Ratio1.01
Top View
6.80 mm6.75 mm1.21 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7448193127
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 62.9%

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 6
Current: $6,313 AUD|Low: $2,157 AUD|High: $6,313 AUD|Avg: $3,054 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
November 6, 2026
Retailer 7$2,176 AUD
Retailer 3$2,358 AUD
Retailer 2$2,544 AUD
Retailer 8$2,588 AUD
Retailer 10$2,588 AUD
Retailer 12$2,671 AUD
Retailer 9$2,707 AUD
Retailer 4$2,814 AUD
Retailer 11$2,986 AUD
Retailer 6$3,158 AUD
Retailer 5$3,506 AUD
NZ Jewellers$6,313 AUD

32 data points across 12 retailers

12 retailers$2,176 AUD to $6,313 AUD

A
Cheapest Retailer
-
$2,176 AUD
B+
Retailer 2
-
$2,358 AUD
View
B+
Retailer 3
-
$2,544 AUD
View
B+
Retailer 4
-
$2,588 AUD
View
Retailer 5
-
$2,588 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$2,671 AUD
View
B+
Retailer 7
-
$2,707 AUD
View
B
Retailer 8
-
$2,814 AUD
View
B
Retailer 9
-
$2,986 AUD
View
B
Retailer 10
-
$3,158 AUD
View
B
Retailer 11
-
$3,506 AUD
View
Most Expensive
C
NZ Jewellers
07d1dc1e-cb35-4c30-a369-067f9113111a · Nov 5
$6,313 AUD
$4,419 USD
View
11 more retailers have this diamond
Prices start from $2,176 AUDSave up to $4,137 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
1.21ct Round
$2,176 AUD