Round|Natural|GIA

1.21ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 7403585801

Certificate GIA 7403585801

Diamond specifications and retailer prices

From $2,035 USD
As of November 6, 2026
Save $3,691 USD (64%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,726 USD 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 $2,035 to $5,726, a $3,691 spread on the same certified stone. NZ Jewellers lists it at $5,726. 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
Color
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: $5,726 USD|Low: $2,022 USD|High: $5,726 USD|Avg: $3,100 USD
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$2,035 USD
Retailer 4$2,453 USD
Retailer 5$2,541 USD
Retailer 2$2,585 USD
Retailer 13$2,739 USD
Retailer 15$2,739 USD
Retailer 7$2,800 USD
Retailer 8$2,836 USD
Retailer 14$2,844 USD
Retailer 6$2,880 USD
Retailer 9$2,882 USD
Retailer 3$3,160 USD
Retailer 10$3,181 USD
Retailer 11$4,786 USD
NZ Jewellers$5,726 USD

33 data points across 15 retailers

15 retailers$2,035 USD to $5,726 USD

A
Cheapest Retailer
-
$2,035 USD
A
Retailer 2
-
$2,453 USD
View
A
Retailer 3
-
$2,541 USD
View
A
Retailer 4
-
$2,585 USD
View
A
Retailer 5
-
$2,739 USD
View
Retailer 6
-
$2,739 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$2,800 USD
View
B+
Retailer 8
-
$2,836 USD
View
B+
Retailer 9
-
$2,844 USD
View
B+
Retailer 10
-
$2,880 USD
View
A
Retailer 11
-
$2,882 USD
View
B+
Retailer 12
-
$3,160 USD
View
B+
Retailer 13
-
$3,181 USD
View
B
Retailer 14
-
$4,786 USD
View
Most Expensive
B
NZ Jewellers
a3efb251-99a5-4d4b-83a7-085bc56d7cb5 · Nov 5
$5,726 USD
View
14 more retailers have this diamond
Prices start from $2,035 USDSave up to $3,691 USD

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
$2,035 USD