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Heart|Natural|GIA

1.00ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 5553588987

Certificate GIA 5553588987

Diamond specifications and retailer prices

From $1,744 SGD
As of November 6, 2026
Save $4,002 SGD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,747 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural heart diamond

This 1ct 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 5553588987. Listed at 14 retailers as of November 5, 2026, with prices from $1,744 to $5,747, a $4,002 spread on the same certified stone. NZ Jewellers lists it at $5,747. 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

1.00
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553588987
Dimensions6.86 × 5.79 × 4.15 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Crystal, Feather, Needle
Top View
6.86 mm5.79 mm1.00 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553588987
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 60.5%

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 6
Current: $5,747 SGD|Low: $1,626 SGD|High: $5,747 SGD|Avg: $2,630 SGD|+0.9%
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
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 8$1,744 SGD
Retailer 6$1,880 SGD
Retailer 5$1,952 SGD
Retailer 14$2,135 SGD
Retailer 16$2,135 SGD
Retailer 7$2,204 SGD
Retailer 15$2,233 SGD
Retailer 2$2,316 SGD
Retailer 9$2,354 SGD
Retailer 17$2,365 SGD
Retailer 13$2,463 SGD
Retailer 3$2,512 SGD
Retailer 18$2,512 SGD
Retailer 4$2,589 SGD
Retailer 10$2,625 SGD
Retailer 11$3,199 SGD
Retailer 12$4,127 SGD
NZ Jewellers$5,747 SGD

34 data points across 18 retailers

14 retailers$1,744 SGD to $5,747 SGD

A
Cheapest Retailer
-
$1,744 SGD
A
Retailer 2
-
$1,880 SGD
View
A
Retailer 3
-
$2,135 SGD
View
B+
Retailer 4
-
$2,204 SGD
View
B+
Retailer 5
-
$2,233 SGD
View
B+
Retailer 6
-
$2,316 SGD
View
B+
Retailer 7
-
$2,365 SGD
View
B+
Retailer 8
-
$2,463 SGD
View
B+
Retailer 9
-
$2,512 SGD
View
B+
Retailer 10
-
$2,512 SGD
View
B+
Retailer 11
-
$2,589 SGD
View
B+
Retailer 12
-
$3,199 SGD
View
B
Retailer 13
-
$4,127 SGD
View
Most Expensive
B
NZ Jewellers
d5307ce0-16e2-407b-9e7e-13e2ee616e02 · Nov 5
$5,747 SGD
$4,484 USD
View
13 more retailers have this diamond
Prices start from $1,744 SGDSave up to $4,002 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
1.00ct Heart
$1,744 SGD