Heart|Natural|HRD

1.26ct I SI1 Heart Natural Diamond

I/SI1 • HRD 170003125442

Certificate HRD 170003125442

Diamond specifications and retailer prices

From $3,530 USD
As of November 5, 2026
Save $799 USD (18%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $4,329 USD at Yorxs · As of November 3, 2026
View at Yorxs

About this 1.26ct natural heart diamond

This 1.26ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included) and certified by HRD 170003125442. Listed at 2 retailers as of November 3, 2026, with prices from $3,530 to $4,329, a $799 spread on the same certified stone. Yorxs lists it at $4,329. 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

1.26
Carat
I
Color
SI1
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabHRD
CertificateHRD 170003125442
Dimensions7.03 × 7.45 × 3.03 mm
L/W Ratio1.06
Top View
7.03 mm7.45 mm1.26 ctI / SI1
OriginNatural
PolishVery Good
SymmetryGood
FluorescenceMedium
CertificateHRD 170003125442
Side View
Table 62.0%CrownGirdlePavilionCuletDepth 40.7%

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: $3,530 USD|Low: $3,530 USD|High: $4,337 USD|Avg: $3,918 USD
Retailer 1
Yorxs
November 3, 2026
Retailer 1$3,530 USD
Yorxs$4,329 USD

18 data points across 2 retailers

2 retailers$3,530 USD to $4,329 USD

B
Cheapest Retailer
-
$3,530 USD
Most Expensive
C
Yorxs
357010254 · Nov 3
$4,329 USD
€4,123 EUR
View
1 more retailer has this diamond
Prices start from $3,530 USDSave up to $799 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
1.26ct Heart
$3,530 USD