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Round|Natural|IGI

1.21ct J VS1 Round Natural Diamond

EX • J/VS1 • IGI 573303518

Shape and cutting style on the report: Round brilliant

Certificate IGI 573303518

Diamond specifications and retailer prices

From $2,833 SGD
As of November 6, 2026
Save $2,648 SGD (48%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,319 SGD at NZ Jewellers · As of September 26, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 573303518. Listed at 18 retailers as of November 4, 2026, with a 93% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 573303518
Dimensions6.83 × 6.81 × 4.22 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.83 mm6.81 mm1.21 ctJ / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 573303518
Side View
Table 58.0%Crown 35.6°Girdle: MediumPavilion 41°Culet: NoneDepth 61.9%

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: $2,919 SGD|Low: $2,833 SGD|High: $5,814 SGD|Avg: $3,437 SGD|-6.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3$2,833 SGD
Retailer 12$2,836 SGD
Retailer 10$2,855 SGD
Retailer 4$2,896 SGD
Retailer 1$2,919 SGD
Retailer 11$2,952 SGD
Retailer 2$3,316 SGD
Retailer 5$3,358 SGD
Retailer 6$3,593 SGD
Retailer 7$3,828 SGD
Retailer 9$3,903 SGD
Retailer 8$5,481 SGD

24 data points across 12 retailers

18 retailers$2,833 SGD to $5,481 SGD

A
Cheapest Retailer
-
$2,833 SGD
A
Retailer 2
-
$2,836 SGD
View
A
Retailer 3
-
$2,855 SGD
View
A
Retailer 4
-
$2,896 SGD
View
Final sale: no returns
A
Retailer 5
-
$2,919 SGD
View
A
Retailer 6
-
$2,952 SGD
View
Retailer 7
-
$3,022 SGD
View
Price last confirmed 43 days ago
B+
Retailer 8
-
$3,316 SGD
View
A
Retailer 9
-
$3,358 SGD
View
Retailer 10
-
$3,384 SGD
View
Price last confirmed 36 days ago
Retailer 11
-
$3,514 SGD
View
Price last confirmed 38 days ago
Retailer 12
-
$3,523 SGD
View
Price last confirmed 45 days ago
B+
Retailer 13
-
$3,593 SGD
View
B+
Retailer 14
-
$3,828 SGD
View
B+
Retailer 15
-
$3,903 SGD
View
Retailer 16
-
$3,905 SGD
View
Price last confirmed 38 days ago
B
Retailer 17
-
$5,481 SGD
View
Most Expensive
NZ Jewellers
0f475f16-e417-4635-bb49-ad59d5e3332c · Sep 26
$6,319 SGD
$4,947 USD
View
Price last confirmed 40 days ago
17 more retailers have this diamond
Prices start from $2,833 SGDSave up to $2,648 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
$2,833 SGD