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Heart|Natural|GIA

1.21ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 7531927035

Certificate GIA 7531927035

Diamond specifications and retailer prices

From $2,247 SGD
As of November 4, 2026
Save $3,767 SGD (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,013 SGD 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 7531927035. Listed at 14 retailers as of November 4, 2026, with prices from $2,247 to $6,013, a $3,767 spread on the same certified stone. NZ Jewellers lists it at $6,013. 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
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.39°
OriginNatural
Grading LabGIA
CertificateGIA 7531927035
Dimensions6.67 × 7.46 × 4.13 mm
L/W Ratio1.12
Cert comments
Additional twinning wisps, clouds, pinpoints and surface graining are not shown.
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
6.67 mm7.46 mm1.21 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7531927035
Side View
Table 56.0%Crown 35.39°Girdle: STK-VTKPavilionCulet: NoneDepth 55.3%

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: Nov 4
Current: $6,013 SGD|Low: $2,247 SGD|High: $6,013 SGD|Avg: $3,074 SGD|+5.4%
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 6, 2026
Retailer 14$2,247 SGD
Retailer 4$2,275 SGD
Retailer 11$2,406 SGD
Retailer 2$2,424 SGD
Retailer 6$2,466 SGD
Retailer 12$2,466 SGD
Retailer 3$2,576 SGD
Retailer 5$2,579 SGD
Retailer 13$2,641 SGD
Retailer 7$2,677 SGD
Retailer 10$2,700 SGD
Retailer 9$2,844 SGD
Retailer 8$4,307 SGD
NZ Jewellers$6,013 SGD

33 data points across 14 retailers

14 retailers$2,247 SGD to $6,013 SGD

A
Cheapest Retailer
-
$2,247 SGD
A
Retailer 2
-
$2,275 SGD
View
Final sale: no returns
A
Retailer 3
-
$2,406 SGD
View
A
Retailer 4
-
$2,424 SGD
View
Retailer 5
-
$2,466 SGD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$2,466 SGD
View
A
Retailer 7
-
$2,576 SGD
View
A
Retailer 8
-
$2,579 SGD
View
A
Retailer 9
-
$2,641 SGD
View
A
Retailer 10
-
$2,677 SGD
View
A
Retailer 11
-
$2,700 SGD
View
B+
Retailer 12
-
$2,844 SGD
View
B
Retailer 13
-
$4,307 SGD
View
Most Expensive
B
NZ Jewellers
27a37495-7bb8-4783-99b6-022636c6302d · Nov 5
$6,013 SGD
$4,692 USD
View
13 more retailers have this diamond
Prices start from $2,247 SGDSave up to $3,767 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
$2,247 SGD