CaratHunter
Plans
Round|Natural|GIA

1.21ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 3535398953

Certificate GIA 3535398953

Diamond specifications and retailer prices

From $2,621 AUD
As of November 5, 2026
Save $4,707 AUD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,328 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3535398953. Listed at 18 retailers as of November 5, 2026, with prices from $2,621 to $7,328, a $4,707 spread on the same certified stone. NZ Jewellers lists it at $7,328. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3535398953
Dimensions6.84 × 6.81 × 4.24 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.84 mm6.81 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3535398953
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

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: $7,328 AUD|Low: $2,621 AUD|High: $7,328 AUD|Avg: $3,954 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
Retailer 16
November 6, 2026
Retailer 11$2,621 AUD
Retailer 7$2,774 AUD
Retailer 2$3,076 AUD
Retailer 5$3,167 AUD
Retailer 13$3,506 AUD
Retailer 16$3,667 AUD
Retailer 8$3,683 AUD
Retailer 9$3,687 AUD
Retailer 3$3,704 AUD
Retailer 14$3,771 AUD
Retailer 12$3,801 AUD
Retailer 6$4,044 AUD
Retailer 10$4,084 AUD
Retailer 15$4,271 AUD
Retailer 4$6,140 AUD
NZ Jewellers$7,328 AUD

27 data points across 16 retailers

18 retailers$2,621 AUD to $7,328 AUD

A
Cheapest Retailer
-
$2,621 AUD
A
Retailer 2
-
$2,774 AUD
View
Final sale: no returns
A
Retailer 3
-
$3,076 AUD
View
A
Retailer 4
-
$3,167 AUD
View
A
Retailer 5
-
$3,506 AUD
View
A
Retailer 6
-
$3,667 AUD
View
Retailer 7
-
$3,683 AUD
View
Price last confirmed 29 days ago
A
Retailer 8
-
$3,687 AUD
View
A
Retailer 9
-
$3,704 AUD
View
A
Retailer 10
-
$3,771 AUD
View
A
Retailer 11
-
$3,801 AUD
View
Retailer 12
-
$3,860 AUD
View
Price last confirmed 67 days ago
A
Retailer 13
-
$4,044 AUD
View
A
Retailer 14
-
$4,084 AUD
View
A
Retailer 15
-
$4,271 AUD
View
Retailer 16
-
$4,454 AUD
View
Price last confirmed 60 days ago
B+
Retailer 17
-
$6,140 AUD
View
Most Expensive
B+
NZ Jewellers
536297e9-583b-47a8-942f-91a05ab7960a · Nov 5
$7,328 AUD
$5,130 USD
View
17 more retailers have this diamond
Prices start from $2,621 AUDSave up to $4,707 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
$2,621 AUD