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Radiant|Natural|GIA

1.00ct J SI1 Radiant Natural Diamond

ID • J/SI1 • GIA 2558415524

Certificate GIA 2558415524

Diamond specifications and retailer prices

From $1,625 SGD
As of November 6, 2026
Save $554 SGD (25%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,179 SGD at Jared · As of November 6, 2026
View at Jared

About this 1ct natural radiant diamond

This 1ct natural radiant 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 2558415524. Listed at 8 retailers as of November 6, 2026, with prices from $1,625 to $2,179, a $554 spread on the same certified stone. Jared lists it at $2,179. 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

1.00
Carat
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2558415524
Dimensions6.60 × 5.09 × 3.38 mm
L/W Ratio1.30
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather
Top View
6.60 mm5.09 mm1.00 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2558415524
Side View
Table 67.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 66.4%

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: $2,179 SGD|Low: $1,397 SGD|High: $2,179 SGD|Avg: $1,800 SGD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 8$1,617 SGD
Retailer 7$1,625 SGD
Retailer 9$1,797 SGD
Retailer 5$1,817 SGD
Retailer 2$1,984 SGD
Retailer 6$2,031 SGD
Retailer 3$2,115 SGD
Retailer 4$2,115 SGD
Jared$2,179 SGD

12 data points across 9 retailers

8 retailers$1,625 SGD to $2,179 SGD

A
Cheapest Retailer
-
$1,625 SGD
Final sale: no returns
A
Retailer 2
-
$1,797 SGD
View
B+
Retailer 3
-
$1,817 SGD
View
A
Retailer 4
-
$1,984 SGD
View
B+
Retailer 5
-
$2,031 SGD
View
B+
Retailer 6
-
$2,115 SGD
View
B+
Retailer 7
-
$2,115 SGD
View
Most Expensive
B+
Jared
160291984 · Nov 6
$2,179 SGD
$1,700 USD
View
7 more retailers have this diamond
Prices start from $1,625 SGDSave up to $554 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
1.00ct Radiant
$1,625 SGD