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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 $4,432 SGD
As of November 5, 2026
Save $1,304 SGD (23%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $5,736 SGD 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 $4,432 to $5,736, a $1,304 spread on the same certified stone. 77 Diamonds lists it at $5,736. 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
Colour
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: $5,736 SGD|Low: $4,432 SGD|High: $6,323 SGD|Avg: $5,500 SGD|+1.8%
77 Diamonds
Retailer 2
Retailer 3
November 7, 2026
Retailer 2$4,432 SGD
77 Diamonds$5,736 SGD
Retailer 3$6,323 SGD

35 data points across 3 retailers

2 retailers$4,432 SGD to $5,736 SGD

B
Cheapest Retailer
-
$4,432 SGD
Most Expensive
C
77 Diamonds
RADPUIFSRFQYKPBG · Nov 7
$5,736 SGD
£3,524 GBP
View
1 more retailer has this diamond
Prices start from $4,432 SGDSave up to $1,304 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.

B
1.21ct Radiant
$4,432 SGD