CaratHunter
Plans
Heart|Natural|GIA

1.03ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 6552797331

Certificate GIA 6552797331

Diamond specifications and retailer prices

From $2,056 SGD
As of November 6, 2026
7 retailers carry this diamond
Most expensive: $4,583 SGD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

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 6552797331. Listed at 7 retailers as of November 6, 2026. 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
SymmetryExcellent
FluorescenceNone
Pavilion angle39.42°
OriginNatural
Grading LabGIA
CertificateGIA 6552797331
Dimensions5.99 × 6.95 × 4.16 mm
L/W Ratio1.16
Key to symbols
Crystal, Cloud, Feather
Top View
5.99 mm6.95 mm1.03 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552797331
Side View
Table 60.0%CrownGirdle: STK-VTKPavilion 39.42°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,328 SGD|Low: $1,328 SGD|High: $3,391 SGD|Avg: $2,270 SGD|-11.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 17, 2026
Retailer 1$1,328 SGD
Retailer 2$1,721 SGD
Retailer 5$1,849 SGD
Retailer 3$1,854 SGD
Retailer 7$2,056 SGD
Retailer 4$3,281 SGD
Retailer 6$3,391 SGD

11 data points across 7 retailers

7 retailers

Retailer 1
-
$1,328 SGD
Price last confirmed 20 days ago
Retailer 2
-
$1,721 SGD
View
Price last confirmed 22 days ago
Retailer 3
-
$1,854 SGD
View
Price last confirmed 21 days ago
Retailer 4
-
$1,879 SGD
View
Price last confirmed 39 days ago
B+
Retailer 5
-
$2,056 SGD
View
Retailer 6
-
$3,281 SGD
View
Price last confirmed 29 days ago
Most Expensive
NZ Jewellers
d6c5854c-90b7-40ce-858c-9ef3167bf48b · Sep 28
$4,583 SGD
$3,576 USD
View
Price last confirmed 39 days ago
6 more retailers have this diamond
Prices start from $2,056 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+
1.03ct Heart
$2,056 SGD