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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 $2,935 SGD
As of November 5, 2026
Save $2,099 SGD (42%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $5,034 SGD 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 $2,935 to $5,034, a $2,099 spread on the same certified stone. MOH London lists it at $5,034. 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
Colour
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: $5,034 SGD|Low: $2,921 SGD|High: $5,262 SGD|Avg: $3,688 SGD|-3.8%
MOH London
Retailer 2
Retailer 3
November 1, 2026
Retailer 3$2,921 SGD
Retailer 2$2,935 SGD
MOH London$5,034 SGD

12 data points across 3 retailers

2 retailers$2,935 SGD to $5,034 SGD

A
Cheapest Retailer
-
$2,935 SGD
Most Expensive
B
MOH London
E0A6C9224 · Nov 2
$5,034 SGD
£3,093 GBP
View
1 more retailer has this diamond
Prices start from $2,935 SGDSave up to $2,099 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.

A
1.21ct Heart
$2,935 SGD