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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 $2,218 USD
As of November 6, 2026
Save $2,073 USD (48%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,947 USD 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
Color
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: $2,285 USD|Low: $2,218 USD|High: $4,552 USD|Avg: $2,691 USD|-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$2,218 USD
Retailer 12$2,220 USD
Retailer 10$2,235 USD
Retailer 4$2,267 USD
Retailer 1$2,285 USD
Retailer 11$2,311 USD
Retailer 2$2,596 USD
Retailer 5$2,629 USD
Retailer 6$2,813 USD
Retailer 7$2,997 USD
Retailer 9$3,056 USD
Retailer 8$4,291 USD

24 data points across 12 retailers

18 retailers$2,218 USD to $4,291 USD

A
Cheapest Retailer
-
$2,218 USD
A
Retailer 2
-
$2,220 USD
View
A
Retailer 3
-
$2,235 USD
View
A
Retailer 4
-
$2,267 USD
View
Final sale: no returns
A
Retailer 5
-
$2,285 USD
View
A
Retailer 6
-
$2,311 USD
View
Retailer 7
-
$2,366 USD
View
Price last confirmed 43 days ago
B+
Retailer 8
-
$2,596 USD
View
A
Retailer 9
-
$2,629 USD
View
Retailer 10
-
$2,649 USD
View
Price last confirmed 36 days ago
Retailer 11
-
$2,751 USD
View
Price last confirmed 38 days ago
Retailer 12
-
$2,758 USD
View
Price last confirmed 45 days ago
B+
Retailer 13
-
$2,813 USD
View
B+
Retailer 14
-
$2,997 USD
View
B+
Retailer 15
-
$3,056 USD
View
Retailer 16
-
$3,057 USD
View
Price last confirmed 38 days ago
B
Retailer 17
-
$4,291 USD
View
Most Expensive
NZ Jewellers
0f475f16-e417-4635-bb49-ad59d5e3332c · Sep 26
$4,947 USD
View
Price last confirmed 40 days ago
17 more retailers have this diamond
Prices start from $2,218 USDSave up to $2,073 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
$2,218 USD