Round|Natural|GIA

1.21ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7541433747

Certificate GIA 7541433747

Diamond specifications and retailer prices

From $1,959 USD
As of November 5, 2026
Save $2,531 USD (56%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,490 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7541433747. Listed at 11 retailers as of November 5, 2026, with prices from $1,959 to $4,490, a $2,531 spread on the same certified stone. NZ Jewellers lists it at $4,490. 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
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7541433747
Dimensions6.80 × 6.76 × 4.22 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Cloud, Crystal, Needle
Top View
6.80 mm6.76 mm1.21 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7541433747
Side View
Table 59.0%Crown 35.5°GirdlePavilion 41°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $4,490 USD|Low: $1,817 USD|High: $5,209 USD|Avg: $2,800 USD|-13.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$1,959 USD
Retailer 7$1,982 USD
Retailer 2$2,027 USD
Retailer 3$2,148 USD
Retailer 8$2,247 USD
Retailer 4$2,470 USD
Retailer 9$2,478 USD
Retailer 5$2,910 USD
Retailer 6$3,752 USD
Retailer 11$3,893 USD
NZ Jewellers$4,490 USD

44 data points across 11 retailers

11 retailers$1,959 USD to $4,490 USD

A
Cheapest Retailer
-
$1,959 USD
A
Retailer 2
-
$1,982 USD
View
Final sale: no returns
A
Retailer 3
-
$2,027 USD
View
B+
Retailer 4
-
$2,148 USD
View
B+
Retailer 5
-
$2,247 USD
View
B+
Retailer 6
-
$2,470 USD
View
B+
Retailer 7
-
$2,478 USD
View
B
Retailer 8
-
$2,910 USD
View
B
Retailer 9
-
$3,752 USD
View
B
Retailer 10
-
$3,893 USD
View
Most Expensive
B
NZ Jewellers
8dbac2f0-1cc8-43ae-bf97-1e4325459bfa · Nov 5
$4,490 USD
View
10 more retailers have this diamond
Prices start from $1,959 USDSave up to $2,531 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
$1,959 USD