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Heart|Natural|GIA

1.03ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 6551441071

Certificate GIA 6551441071

Diamond specifications and retailer prices

From $1,780 SGD
As of November 6, 2026
Save $584 SGD (25%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,364 SGD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.03ct natural heart diamond

This 1.03ct natural heart sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551441071. Listed at 7 retailers as of November 6, 2026, with prices from $1,780 to $2,364, a $584 spread on the same certified stone. GemTrove lists it at $2,364. 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

1.03
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551441071
Dimensions6.42 × 6.95 × 4.13 mm
L/W Ratio1.08
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Needle
Top View
6.42 mm6.95 mm1.03 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551441071
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.4%

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 6
Current: $2,364 SGD|Low: $1,669 SGD|High: $2,473 SGD|Avg: $2,046 SGD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$1,780 SGD
Retailer 3$1,788 SGD
Retailer 5$1,804 SGD
Retailer 2$1,938 SGD
Retailer 7$2,020 SGD
Retailer 6$2,152 SGD
GemTrove$2,364 SGD

40 data points across 7 retailers

7 retailers$1,780 SGD to $2,364 SGD

A
Cheapest Retailer
-
$1,780 SGD
Final sale: no returns
A
Retailer 2
-
$1,788 SGD
View
A
Retailer 3
-
$1,804 SGD
View
A
Retailer 4
-
$1,938 SGD
View
A
Retailer 5
-
$2,020 SGD
View
B+
Retailer 6
-
$2,152 SGD
View
Most Expensive
B+
GemTrove
GT-N-01268903-98 · Nov 6
$2,364 SGD
A$2,838 AUD
View
6 more retailers have this diamond
Prices start from $1,780 SGDSave up to $584 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
1.03ct Heart
$1,780 SGD