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Radiant|Natural|IGI

1.21ct G SI1 Radiant Natural Diamond

GD • G/SI1 • IGI 224642925

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 224642925

Diamond specifications and retailer prices

From $3,458 USD
As of November 5, 2026
Save $1,018 USD (23%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,476 USD at 77 Diamonds · As of November 7, 2026
View at 77 Diamonds

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI 224642925. Listed at 2 retailers as of November 5, 2026, with prices from $3,458 to $4,476, a $1,018 spread on the same certified stone. 77 Diamonds lists it at $4,476. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
G
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 224642925
Dimensions5.85 × 5.43 × 3.95 mm
L/W Ratio1.08
Culet sizePointed
Top View
5.85 mm5.43 mm1.21 ctG / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI 224642925
Side View
Table 67.5%CrownGirdle: STK-THKPavilionCulet: NoneDepth 72.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $4,476 USD|Low: $3,458 USD|High: $4,934 USD|Avg: $4,291 USD|+1.8%
77 Diamonds
Retailer 2
Retailer 3
November 7, 2026
Retailer 2$3,458 USD
77 Diamonds$4,476 USD
Retailer 3$4,934 USD

35 data points across 3 retailers

2 retailers$3,458 USD to $4,476 USD

B
Cheapest Retailer
-
$3,458 USD
Most Expensive
C
77 Diamonds
RADPUIFSRFQYKPBG · Nov 7
$4,476 USD
£3,524 GBP
View
1 more retailer has this diamond
Prices start from $3,458 USDSave up to $1,018 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
$3,458 USD