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Heart|Natural|GIA

1.21ct H SI1 Heart Natural Diamond

GD • H/SI1 • GIA 1513927450

Certificate GIA 1513927450

Diamond specifications and retailer prices

From $4,255 USD
As of November 6, 2026
1 retailer carries this diamond
Only listing: $4,255 USD at Shane Co
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Shane Co

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 1513927450. Listed at a single retailer as of November 6, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
H
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1513927450
Dimensions6.62 × 7.49 mm
L/W Ratio1.13
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Cavity, Needle
Top View
6.62 mm7.49 mm1.21 ctH / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1513927450
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.2%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 6
Current: $4,255 USD|Low: $4,255 USD|High: $5,350 USD|Avg: $4,995 USD|-20.5%
June 18, 2026
Shane Co$4,255 USD

7 data points across 1 retailer

1 retailer

C
Shane Co
25I030M · Nov 6
$4,255 USD
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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.

C
1.21ct Heart
$4,255 USD