CaratHunter
Plans
Round|Natural|GIA

1.21ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7541433747

Certificate GIA 7541433747

Diamond specifications and retailer prices

From $2,511 SGD
As of November 5, 2026
Save $3,244 SGD (56%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,754 SGD 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 $2,511 to $5,754, a $3,244 spread on the same certified stone. NZ Jewellers lists it at $5,754. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $5,754 SGD|Low: $2,329 SGD|High: $6,676 SGD|Avg: $3,589 SGD|-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$2,511 SGD
Retailer 7$2,540 SGD
Retailer 2$2,598 SGD
Retailer 3$2,753 SGD
Retailer 8$2,880 SGD
Retailer 4$3,166 SGD
Retailer 9$3,176 SGD
Retailer 5$3,729 SGD
Retailer 6$4,809 SGD
Retailer 11$4,989 SGD
NZ Jewellers$5,754 SGD

44 data points across 11 retailers

11 retailers$2,511 SGD to $5,754 SGD

A
Cheapest Retailer
-
$2,511 SGD
A
Retailer 2
-
$2,540 SGD
View
Final sale: no returns
A
Retailer 3
-
$2,598 SGD
View
B+
Retailer 4
-
$2,753 SGD
View
B+
Retailer 5
-
$2,880 SGD
View
B+
Retailer 6
-
$3,166 SGD
View
B+
Retailer 7
-
$3,176 SGD
View
B
Retailer 8
-
$3,729 SGD
View
B
Retailer 9
-
$4,809 SGD
View
B
Retailer 10
-
$4,989 SGD
View
Most Expensive
B
NZ Jewellers
8dbac2f0-1cc8-43ae-bf97-1e4325459bfa · Nov 5
$5,754 SGD
$4,490 USD
View
10 more retailers have this diamond
Prices start from $2,511 SGDSave up to $3,244 SGD

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
$2,511 SGD