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Round|Natural|GIA

1.21ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 7403585801

Certificate GIA 7403585801

Diamond specifications and retailer prices

From $2,962 AUD
As of November 6, 2026
Save $5,372 AUD (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,334 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7403585801. Listed at 15 retailers as of November 5, 2026, with prices from $2,962 to $8,334, a $5,372 spread on the same certified stone. NZ Jewellers lists it at $8,334. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7403585801
Dimensions6.83 × 6.80 × 4.25 mm
L/W Ratio1.00
Top View
6.83 mm6.80 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7403585801
Side View
Table 55.0%CrownGirdle: MED-SLIPavilionCulet: NoneDepth 62.4%

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: $8,334 AUD|Low: $2,943 AUD|High: $8,334 AUD|Avg: $4,511 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
Retailer 15
November 6, 2026
Retailer 12$2,962 AUD
Retailer 4$3,570 AUD
Retailer 5$3,698 AUD
Retailer 2$3,762 AUD
Retailer 13$3,986 AUD
Retailer 15$3,986 AUD
Retailer 7$4,075 AUD
Retailer 8$4,128 AUD
Retailer 14$4,139 AUD
Retailer 6$4,192 AUD
Retailer 9$4,194 AUD
Retailer 3$4,599 AUD
Retailer 10$4,630 AUD
Retailer 11$6,966 AUD
NZ Jewellers$8,334 AUD

33 data points across 15 retailers

15 retailers$2,962 AUD to $8,334 AUD

A
Cheapest Retailer
-
$2,962 AUD
A
Retailer 2
-
$3,570 AUD
View
A
Retailer 3
-
$3,698 AUD
View
A
Retailer 4
-
$3,762 AUD
View
A
Retailer 5
-
$3,986 AUD
View
Retailer 6
-
$3,986 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$4,075 AUD
View
B+
Retailer 8
-
$4,128 AUD
View
B+
Retailer 9
-
$4,139 AUD
View
B+
Retailer 10
-
$4,192 AUD
View
A
Retailer 11
-
$4,194 AUD
View
B+
Retailer 12
-
$4,599 AUD
View
B+
Retailer 13
-
$4,630 AUD
View
B
Retailer 14
-
$6,966 AUD
View
Most Expensive
B
NZ Jewellers
a3efb251-99a5-4d4b-83a7-085bc56d7cb5 · Nov 5
$8,334 AUD
$5,726 USD
View
14 more retailers have this diamond
Prices start from $2,962 AUDSave up to $5,372 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
$2,962 AUD