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Heart|Natural|HRD

1.21ct D SI2 Heart Natural Diamond

EX • D/SI2 • HRD 260000111466

Certificate HRD 260000111466

Diamond specifications and retailer prices

From $2,290 USD
As of November 5, 2026
Save $1,638 USD (42%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,928 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.21ct natural heart diamond

This 1.21ct natural heart sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 260000111466. Listed at 2 retailers as of November 2, 2026, with prices from $2,290 to $3,928, a $1,638 spread on the same certified stone. MOH London lists it at $3,928. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.21
Carat
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.75°
Pavilion angle41.47°
OriginNatural
Grading LabHRD
CertificateHRD 260000111466
Dimensions6.61 × 7.35 × 4.40 mm
L/W Ratio1.11
Girdle conditionMedium
Top View
6.61 mm7.35 mm1.21 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 260000111466
Side View
Table 62.0%Crown 40.75°GirdlePavilion 41.47°Culet: NoneDepth 59.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $3,928 USD|Low: $2,279 USD|High: $4,106 USD|Avg: $2,878 USD|-3.8%
MOH London
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$2,279 USD
Retailer 2$2,290 USD
MOH London$3,928 USD

12 data points across 3 retailers

2 retailers$2,290 USD to $3,928 USD

A
Cheapest Retailer
-
$2,290 USD
Most Expensive
B
MOH London
E0A6C9224 · Nov 2
$3,928 USD
£3,093 GBP
View
1 more retailer has this diamond
Prices start from $2,290 USDSave up to $1,638 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.

A
1.21ct Heart
$2,290 USD