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Heart|Natural|GIA

1.06ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 2558523931

Certificate GIA 2558523931

Diamond specifications and retailer prices

From $1,885 SGD
As of November 6, 2026
Save $388 SGD (17%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,274 SGD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.06ct natural heart diamond

This 1.06ct 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 2558523931. Listed at 6 retailers as of November 5, 2026, with prices from $1,885 to $2,274, a $388 spread on the same certified stone. Blue Nile lists it at $2,274. 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

1.06
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2558523931
Dimensions6.13 × 7.21 × 4.25 mm
L/W Ratio1.18
Culet sizeNone
Key to symbols
Twinning Wisp, Indented Natural
Top View
6.13 mm7.21 mm1.06 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2558523931
Side View
Table 53.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.0%

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: $2,274 SGD|Low: $1,762 SGD|High: $2,604 SGD|Avg: $2,104 SGD|-12.7%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$1,885 SGD
Retailer 3$1,895 SGD
Retailer 5$1,912 SGD
Retailer 2$2,061 SGD
Retailer 6$2,138 SGD
Blue Nile$2,274 SGD

41 data points across 6 retailers

6 retailers$1,885 SGD to $2,274 SGD

A
Cheapest Retailer
-
$1,885 SGD
Final sale: no returns
A
Retailer 2
-
$1,895 SGD
View
A
Retailer 3
-
$1,912 SGD
View
A
Retailer 4
-
$2,061 SGD
View
B+
Retailer 5
-
$2,138 SGD
View
Most Expensive
B+
Blue Nile
29431329 · Nov 5
$2,274 SGD
$1,774 USD
View
5 more retailers have this diamond
Prices start from $1,885 SGDSave up to $388 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
1.06ct Heart
$1,885 SGD