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Heart|Natural|GIA

1.21ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 5536547731

Certificate GIA 5536547731

Diamond specifications and retailer prices

From $3,016 SGD
$2,358 USD
As of October 31, 2026
Save $4,023 SGD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,039 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 F 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 5536547731. Listed at 16 retailers as of October 30, 2026, with prices from $3,016 to $7,039, a $4,023 spread on the same certified stone. NZ Jewellers lists it at $7,039. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.93°
Pavilion angle37.8°
OriginNatural
Grading LabGIA
CertificateGIA 5536547731
Dimensions6.75 × 7.33 × 4.10 mm
L/W Ratio1.09
Top View
6.75 mm7.33 mm1.21 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5536547731
Side View
Table 58.0%Crown 38.93°Girdle: ThickPavilion 37.8°Culet: NoneDepth 55.9%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $7,039 SGD|Low: $2,935 SGD|High: $7,255 SGD|Avg: $4,094 SGD|-3.0%
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
November 2, 2026
Retailer 13$3,016 SGD
Retailer 4$3,108 SGD
Retailer 3$3,141 SGD
Retailer 12$3,255 SGD
Retailer 7$3,329 SGD
Retailer 5$3,470 SGD
Retailer 6$3,470 SGD
Retailer 2$3,497 SGD
Retailer 10$3,547 SGD
Retailer 9$3,599 SGD
Retailer 14$3,885 SGD
Retailer 8$4,203 SGD
Retailer 11$5,899 SGD
NZ Jewellers$7,039 SGD

31 data points across 14 retailers

16 retailers$3,016 SGD to $7,039 SGD

A
Cheapest Retailer
-
$3,016 SGD
$2,358 USD
B+
Retailer 2
-
$3,108 SGD
$2,430 USD
View
Final sale: no returns
A
Retailer 3
-
$3,141 SGD
$2,456 USD
View
B+
Retailer 4
-
$3,255 SGD
$2,545 USD
View
B+
Retailer 5
-
$3,329 SGD
£2,049 GBP
View
B+
Retailer 6
-
$3,470 SGD
$2,713 USD
View
B+
Retailer 7
-
$3,470 SGD
$2,713 USD
View
Retailer 8
-
$3,470 SGD
$2,713 USD
View
Price last confirmed 17 days ago
B+
Retailer 9
-
$3,497 SGD
$2,734 USD
View
B+
Retailer 10
-
$3,547 SGD
$2,774 USD
View
B+
Retailer 11
-
$3,599 SGD
£2,216 GBP
View
B+
Retailer 12
-
$3,704 SGD
$2,896 USD
View
B+
Retailer 13
-
$3,885 SGD
$3,038 USD
View
B+
Retailer 14
-
$4,203 SGD
€3,130 EUR
View
B
Retailer 15
-
$5,899 SGD
£3,632 GBP
View
Most Expensive
B
NZ Jewellers
2704d1ca-bb02-4ad5-89b1-f0c3c53b1006 · Oct 30
$7,039 SGD
$5,504 USD
View
15 more retailers have this diamond
Prices start from $3,016 SGDSave up to $4,023 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
$3,016 SGD