Heart|Natural|GIA

1.03ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 6551441071

Certificate GIA 6551441071

Diamond specifications and retailer prices

From $1,389 USD
As of November 4, 2026
Save $456 USD (25%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,845 USD at GemTrove · As of November 4, 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 4, 2026, with prices from $1,389 to $1,845, a $456 spread on the same certified stone. GemTrove lists it at $1,845. 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
Color
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $1,845 USD|Low: $1,302 USD|High: $1,930 USD|Avg: $1,599 USD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4$1,389 USD
Retailer 3$1,395 USD
Retailer 5$1,408 USD
Retailer 2$1,512 USD
Retailer 7$1,576 USD
Retailer 6$1,679 USD
GemTrove$1,845 USD

40 data points across 7 retailers

7 retailers$1,389 USD to $1,845 USD

A
Cheapest Retailer
-
$1,389 USD
Final sale: no returns
A
Retailer 2
-
$1,395 USD
View
A
Retailer 3
-
$1,408 USD
View
A
Retailer 4
-
$1,512 USD
View
A
Retailer 5
-
$1,576 USD
View
B+
Retailer 6
-
$1,679 USD
View
Most Expensive
B+
GemTrove
GT-N-01268903-98 · Nov 4
$1,845 USD
A$2,838 AUD
View
6 more retailers have this diamond
Prices start from $1,389 USDSave up to $456 USD

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
$1,389 USD