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Radiant|Natural|GIA

1.00ct J SI1 Radiant Natural Diamond

VG • J/SI1 • GIA 2557969510

Certificate GIA 2557969510

Diamond specifications and retailer prices

From $1,901 SGD
As of November 4, 2026
Save $3,122 SGD (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,023 SGD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 2557969510. Listed at 13 retailers as of November 3, 2026, with prices from $1,901 to $5,023, a $3,122 spread on the same certified stone. NZ Jewellers lists it at $5,023. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
J
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557969510
Dimensions6.67 × 4.95 × 3.52 mm
L/W Ratio1.35
Girdle conditionPolished
Culet sizeNone
Key to symbols
Knot, Crystal, Pinpoint
Top View
6.67 mm4.95 mm1.00 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557969510
Side View
Table 66.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 71.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,023 SGD|Low: $1,901 SGD|High: $5,160 SGD|Avg: $2,614 SGD|-2.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 4$1,901 SGD
Retailer 7$2,004 SGD
Retailer 10$2,060 SGD
Retailer 12$2,060 SGD
Retailer 3$2,154 SGD
Retailer 9$2,159 SGD
Retailer 5$2,284 SGD
Retailer 11$2,376 SGD
Retailer 2$2,513 SGD
Retailer 8$2,802 SGD
Retailer 6$3,597 SGD
NZ Jewellers$5,023 SGD

28 data points across 12 retailers

13 retailers$1,901 SGD to $5,023 SGD

A
Cheapest Retailer
-
$1,901 SGD
Final sale: no returns
A
Retailer 2
-
$2,004 SGD
View
B+
Retailer 3
-
$2,060 SGD
View
Retailer 4
-
$2,060 SGD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$2,154 SGD
View
B+
Retailer 6
-
$2,159 SGD
View
B+
Retailer 7
-
$2,284 SGD
View
B+
Retailer 8
-
$2,376 SGD
View
B+
Retailer 9
-
$2,513 SGD
View
Retailer 10
-
$2,759 SGD
View
Price last confirmed 33 days ago
B
Retailer 11
-
$2,802 SGD
View
B
Retailer 12
-
$3,597 SGD
View
Most Expensive
B
NZ Jewellers
7519b7ca-5f99-4651-a6d7-6de2b71c7dc2 · Nov 3
$5,023 SGD
$3,919 USD
View
12 more retailers have this diamond
Prices start from $1,901 SGDSave up to $3,122 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
$1,901 SGD