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Radiant|Natural|GIA

1.00ct J SI2 Radiant Natural Diamond

EX • J/SI2 • GIA 6565201355

Certificate GIA 6565201355

Diamond specifications and retailer prices

From $1,783 SGD
As of November 6, 2026
Save $3,418 SGD (66%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,201 SGD at NZ Jewellers · As of November 5, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565201355. Listed at 15 retailers as of November 5, 2026, with prices from $1,783 to $5,201, a $3,418 spread on the same certified stone. NZ Jewellers lists it at $5,201. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6565201355
Dimensions7.17 × 4.98 × 3.36 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Indented Natural
Top View
7.17 mm4.98 mm1.00 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6565201355
Side View
Table 69.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 67.5%

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 6
Current: $5,201 SGD|Low: $1,379 SGD|High: $5,201 SGD|Avg: $2,275 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 7, 2026
Retailer 7$1,557 SGD
Retailer 5$1,783 SGD
Retailer 12$1,790 SGD
Retailer 10$1,801 SGD
Retailer 15$1,930 SGD
Retailer 3$1,931 SGD
Retailer 13$1,931 SGD
Retailer 6$1,965 SGD
Retailer 11$2,021 SGD
Retailer 8$2,124 SGD
Retailer 14$2,229 SGD
Retailer 2$2,365 SGD
Retailer 4$2,452 SGD
Retailer 9$3,726 SGD
NZ Jewellers$5,201 SGD

29 data points across 15 retailers

15 retailers$1,783 SGD to $5,201 SGD

Retailer 1
-
$1,557 SGD
Price last confirmed 23 days ago
B+
Retailer 2
-
$1,783 SGD
View
Final sale: no returns
A
Retailer 3
-
$1,790 SGD
View
A
Retailer 4
-
$1,801 SGD
View
B+
Retailer 5
-
$1,930 SGD
View
B+
Retailer 6
-
$1,931 SGD
View
Retailer 7
-
$1,931 SGD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$1,965 SGD
View
B+
Retailer 9
-
$2,021 SGD
View
B+
Retailer 10
-
$2,124 SGD
View
B+
Retailer 11
-
$2,229 SGD
View
B+
Retailer 12
-
$2,365 SGD
View
B+
Retailer 13
-
$2,452 SGD
View
B
Retailer 14
-
$3,726 SGD
View
Most Expensive
C
NZ Jewellers
3885c97e-28e3-49af-9f00-e1f72985356c · Nov 5
$5,201 SGD
$4,058 USD
View
14 more retailers have this diamond
Prices start from $1,783 SGDSave up to $3,418 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
$1,783 SGD