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Heart|Natural|GIA

1.21ct E SI2 Heart Natural Diamond

EX • E/SI2 • GIA 6542545800

Certificate GIA 6542545800

Diamond specifications and retailer prices

From $2,680 SGD
£1,651 GBP
As of November 1, 2026
Save $2,986 SGD (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,666 SGD at NZ Jewellers · As of October 30, 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 E 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 6542545800. Listed at 6 retailers as of October 30, 2026, with prices from $2,680 to $5,666, a $2,986 spread on the same certified stone. NZ Jewellers lists it at $5,666. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.07°
Pavilion angle40.07°
OriginNatural
Grading LabGIA
CertificateGIA 6542545800
Dimensions6.37 × 7.05 × 4.45 mm
L/W Ratio1.11
Top View
6.37 mm7.05 mm1.21 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542545800
Side View
Table 61.0%Crown 44.07°Girdle: MED-VTKPavilion 40.07°Culet: NoneDepth 63.1%

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 1
Current: $5,666 SGD|Low: $2,680 SGD|High: $5,739 SGD|Avg: $3,560 SGD|-1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 2$2,680 SGD
Retailer 5$2,710 SGD
Retailer 6$2,835 SGD
Retailer 7$2,887 SGD
Retailer 3$3,314 SGD
Retailer 8$3,325 SGD
Retailer 11$3,333 SGD
Retailer 9$3,413 SGD
Retailer 10$3,639 SGD
Retailer 4$4,773 SGD
NZ Jewellers$5,666 SGD

30 data points across 11 retailers

6 retailers$2,680 SGD to $5,666 SGD

A
Cheapest Retailer
-
$2,680 SGD
£1,651 GBP
A
Retailer 2
-
$2,710 SGD
$2,120 USD
View
A
Retailer 3
-
$2,835 SGD
$2,218 USD
View
A
Retailer 4
-
$2,887 SGD
$2,258 USD
View
B+
Retailer 5
-
$4,773 SGD
£2,940 GBP
View
Most Expensive
B
NZ Jewellers
beba394f-2a39-4cb9-9660-3e3eea33b07b · Oct 30
$5,666 SGD
$4,432 USD
View
5 more retailers have this diamond
Prices start from $2,680 SGDSave up to $2,986 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
$2,680 SGD