Heart|Natural|GIA

1.21ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 5536984909

Certificate GIA 5536984909

Diamond specifications and retailer prices

From $1,680 USD
As of November 6, 2026
Save $2,886 USD (63%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,566 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 5536984909. Listed at 16 retailers as of November 5, 2026, with prices from $1,680 to $4,566, a $2,886 spread on the same certified stone. NZ Jewellers lists it at $4,566. 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
FluorescenceFaint
Crown angle36.07°
Pavilion angle43°
OriginNatural
Grading LabGIA
CertificateGIA 5536984909
Dimensions7.43 × 6.55 × 4.46 mm
L/W Ratio1.13
Top View
7.43 mm6.55 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5536984909
Side View
Table 60.0%Crown 36.07°Girdle: STK-VTKPavilion 43°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,566 USD|Low: $1,680 USD|High: $4,704 USD|Avg: $2,416 USD|-2.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 8$1,680 USD
Retailer 6$1,727 USD
Retailer 9$1,813 USD
Retailer 3$1,872 USD
Retailer 5$1,878 USD
Retailer 7$1,929 USD
Retailer 4$1,958 USD
Retailer 11$1,981 USD
Retailer 12$2,002 USD
Retailer 2$2,011 USD
Retailer 14$2,025 USD
Retailer 13$2,128 USD
Retailer 10$2,505 USD
Retailer 15$3,270 USD
NZ Jewellers$4,566 USD

30 data points across 15 retailers

16 retailers$1,680 USD to $4,566 USD

A
Cheapest Retailer
-
$1,680 USD
A
Retailer 2
-
$1,727 USD
View
Final sale: no returns
A
Retailer 3
-
$1,813 USD
View
A
Retailer 4
-
$1,872 USD
View
A
Retailer 5
-
$1,878 USD
View
Retailer 6
-
$1,929 USD
View
Price last confirmed 8 days ago
Retailer 7
-
$1,929 USD
View
Price last confirmed 21 days ago
A
Retailer 8
-
$1,958 USD
View
A
Retailer 9
-
$1,981 USD
View
A
Retailer 10
-
$2,002 USD
View
A
Retailer 11
-
$2,011 USD
View
B+
Retailer 12
-
$2,025 USD
View
A
Retailer 13
-
$2,128 USD
View
B+
Retailer 14
-
$2,505 USD
View
B
Retailer 15
-
$3,270 USD
View
Most Expensive
B
NZ Jewellers
a466cf9b-e0f0-4729-a109-7e13c56f6111 · Nov 5
$4,566 USD
View
15 more retailers have this diamond
Prices start from $1,680 USDSave up to $2,886 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
$1,680 USD