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Heart|Natural|GIA

1.02ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 5151454109

Certificate GIA 5151454109

Diamond specifications and retailer prices

From $3,195 SGD
As of November 5, 2026
Save $3,754 SGD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,949 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural heart diamond

This 1.02ct natural heart sits in the classic one-carat band, graded J 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 5151454109. Listed at 14 retailers as of November 5, 2026, with prices from $3,195 to $6,949, a $3,754 spread on the same certified stone. NZ Jewellers lists it at $6,949. 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

1.02
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5151454109
Dimensions6.64 × 7.26 × 3.34 mm
L/W Ratio1.09
Top View
6.64 mm7.26 mm1.02 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 5151454109
Side View
Table 61.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 46.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $4,375 SGD|Low: $3,613 SGD|High: $6,749 SGD|Avg: $4,474 SGD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$3,613 SGD
Retailer 4$3,753 SGD
Retailer 6$3,894 SGD
Retailer 2$4,127 SGD
Retailer 1$4,375 SGD
Retailer 7$4,629 SGD
Retailer 3$6,652 SGD

44 data points across 7 retailers

14 retailers$3,195 SGD to $6,949 SGD

B
Cheapest Retailer
-
$3,195 SGD
B
Retailer 2
-
$3,235 SGD
View
B
Retailer 3
-
$3,613 SGD
View
Retailer 4
-
$3,613 SGD
View
Price last confirmed 8 days ago
B
Retailer 5
-
$3,688 SGD
View
B
Retailer 6
-
$3,753 SGD
View
B
Retailer 7
-
$3,894 SGD
View
B
Retailer 8
-
$3,922 SGD
View
B
Retailer 9
-
$4,127 SGD
View
B
Retailer 10
-
$4,169 SGD
View
B
Retailer 11
-
$4,375 SGD
View
Retailer 12
-
$4,629 SGD
View
Price last confirmed 14 days ago
B
Retailer 13
-
$6,652 SGD
View
Most Expensive
C
NZ Jewellers
3b2c707b-3a6a-46de-bee9-b6a6c4775601 · Nov 5
$6,949 SGD
$5,422 USD
View
13 more retailers have this diamond
Prices start from $3,195 SGDSave up to $3,754 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.

B
1.02ct Heart
$3,195 SGD