Heart|Natural|GIA

1.21ct D SI2 Heart Natural Diamond

EX • D/SI2 • GIA 6542456434

Certificate GIA 6542456434

Diamond specifications and retailer prices

From €3,361 EUR
As of November 5, 2026
13 retailers carry this diamond
Most expensive: €4,815 EUR at NZ Jewellers · As of October 24, 2026
View at NZ Jewellers

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 GIA 6542456434. Listed at 13 retailers as of November 5, 2026. 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 angle36.41°
Pavilion angle42.18°
OriginNatural
Grading LabGIA
CertificateGIA 6542456434
Dimensions6.46 × 7.40 × 4.43 mm
L/W Ratio1.15
Top View
6.46 mm7.40 mm1.21 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542456434
Side View
Table 59.0%Crown 36.41°Girdle: Slightly ThickPavilion 42.18°Culet: NoneDepth 59.9%

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: €4,815 EUR|Low: €1,659 EUR|High: €4,815 EUR|Avg: €2,673 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 12€2,020 EUR
Retailer 3€2,126 EUR
Retailer 5€2,284 EUR
Retailer 8€2,303 EUR
Retailer 10€2,303 EUR
Retailer 9€2,409 EUR
Retailer 4€2,459 EUR
Retailer 11€2,657 EUR
Retailer 6€2,861 EUR
Retailer 2€3,361 EUR
Retailer 7€4,040 EUR
NZ Jewellers€4,815 EUR

34 data points across 12 retailers

13 retailers

Retailer 1
-
€2,020 EUR
Price last confirmed 12 days ago
Retailer 2
-
€2,062 EUR
View
Price last confirmed 12 days ago
Retailer 3
-
€2,303 EUR
View
Price last confirmed 12 days ago
Retailer 4
-
€2,303 EUR
View
Price last confirmed 13 days ago
Retailer 5
-
€2,303 EUR
View
Price last confirmed 22 days ago
Retailer 6
-
€2,409 EUR
View
Price last confirmed 13 days ago
Retailer 7
-
€2,429 EUR
View
Price last confirmed 13 days ago
Retailer 8
-
€2,459 EUR
View
Price last confirmed 16 days ago
Retailer 9
-
€2,657 EUR
View
Price last confirmed 11 days ago
Retailer 10
-
€2,861 EUR
View
Price last confirmed 11 days ago
B
Retailer 11
-
€3,361 EUR
View
Retailer 12
-
€4,040 EUR
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
8631b92e-8c56-464c-9ac0-24d76fa58e18 · Oct 24
€4,815 EUR
$5,376 USD
View
Price last confirmed 13 days ago
12 more retailers have this diamond
Prices start from €3,361 EUR

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 Heart
€3,361 EUR