Radiant|Natural|GIA

1.21ct I VS1 Radiant Natural Diamond

ID • I/VS1 • GIA 1

Certificate GIA 1

Diamond specifications and retailer prices

From $4,579 USD
As of November 4, 2026
Save $1,198 USD (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $5,777 USD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of November 4, 2026, with prices from $4,579 to $5,777, a $1,198 spread on the same certified stone. Blue Nile lists it at $5,777. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
I
Color
VS1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1
Dimensions7.19 × 5.41 × 3.72 mm
L/W Ratio1.33
Top View
7.19 mm5.41 mm1.21 ctI / VS1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1
Side View
Table 70.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,777 USD|Low: $4,518 USD|High: $5,777 USD|Avg: $5,039 USD
Blue Nile
Retailer 2
Retailer 3
September 23, 2026
Retailer 2$4,579 USD
Retailer 3$4,873 USD
Blue Nile$5,777 USD

3 data points across 3 retailers

3 retailers$4,579 USD to $5,777 USD

B+
Cheapest Retailer
-
$4,579 USD
B+
Retailer 2
-
$4,873 USD
View
Most Expensive
B
Blue Nile
20251618 · Nov 5
$5,777 USD
View
2 more retailers have this diamond
Prices start from $4,579 USDSave up to $1,198 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.

B+
1.21ct Radiant
$4,579 USD