Heart|Natural|GIA

1.21ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 6542649830

Certificate GIA 6542649830

Diamond specifications and retailer prices

From $2,203 USD
As of November 4, 2026
Save $3,424 USD (61%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,627 USD at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542649830. Listed at 15 retailers as of November 4, 2026, with prices from $2,203 to $5,627, a $3,424 spread on the same certified stone. NZ Jewellers lists it at $5,627. 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
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.21°
Pavilion angle38.86°
OriginNatural
Grading LabGIA
CertificateGIA 6542649830
Dimensions7.33 × 6.44 × 4.11 mm
L/W Ratio1.14
Top View
7.33 mm6.44 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542649830
Side View
Table 58.0%Crown 37.21°Girdle: Very ThickPavilion 38.86°Culet: NoneDepth 56.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,627 USD|Low: $1,876 USD|High: $5,627 USD|Avg: $3,157 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$2,251 USD
Retailer 8$2,438 USD
Retailer 9$2,438 USD
Retailer 6$2,551 USD
Retailer 2$2,646 USD
Retailer 7$2,656 USD
Retailer 3$2,848 USD
Retailer 4$4,702 USD
NZ Jewellers$5,627 USD

43 data points across 9 retailers

15 retailers$2,203 USD to $5,627 USD

B+
Cheapest Retailer
-
$2,203 USD
B+
Retailer 2
-
$2,251 USD
View
Final sale: no returns
B+
Retailer 3
-
$2,352 USD
View
B+
Retailer 4
-
$2,438 USD
View
Retailer 5
-
$2,438 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$2,551 USD
View
B+
Retailer 7
-
$2,646 USD
View
B+
Retailer 8
-
$2,656 USD
View
B
Retailer 9
-
$2,800 USD
View
B
Retailer 10
-
$2,800 USD
View
B
Retailer 11
-
$2,814 USD
View
B+
Retailer 12
-
$2,848 USD
View
B
Retailer 13
-
$2,890 USD
View
B
Retailer 14
-
$4,702 USD
View
Most Expensive
B
NZ Jewellers
5fd23dc7-293c-4423-baa7-ab88def76700 · Nov 5
$5,627 USD
View
14 more retailers have this diamond
Prices start from $2,203 USDSave up to $3,424 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+
1.21ct Heart
$2,203 USD