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Radiant|Natural|GIA

1.01ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 1558553561

Certificate GIA 1558553561

Diamond specifications and retailer prices

From $1,711 SGD
As of November 7, 2026
Save $2,617 SGD (60%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,328 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural radiant diamond

This 1.01ct natural radiant sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558553561. Listed at 11 retailers as of November 5, 2026, with prices from $1,711 to $4,328, a $2,617 spread on the same certified stone. NZ Jewellers lists it at $4,328. 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

1.01
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1558553561
Dimensions7.01 × 5.06 × 3.19 mm
L/W Ratio1.39
Culet sizeNone
Top View
7.01 mm5.06 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1558553561
Side View
Table 69.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.1%

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 7
Current: $4,328 SGD|Low: $1,711 SGD|High: $4,328 SGD|Avg: $2,296 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 3$1,711 SGD
Retailer 4$1,721 SGD
Retailer 8$1,775 SGD
Retailer 10$1,775 SGD
Retailer 11$1,856 SGD
Retailer 2$1,958 SGD
Retailer 9$2,048 SGD
Retailer 6$2,165 SGD
Retailer 5$2,461 SGD
Retailer 7$3,240 SGD
NZ Jewellers$4,328 SGD

31 data points across 11 retailers

11 retailers$1,711 SGD to $4,328 SGD

A
Cheapest Retailer
-
$1,711 SGD
A
Retailer 2
-
$1,721 SGD
View
A
Retailer 3
-
$1,775 SGD
View
Retailer 4
-
$1,775 SGD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$1,856 SGD
View
A
Retailer 6
-
$1,958 SGD
View
B+
Retailer 7
-
$2,048 SGD
View
B+
Retailer 8
-
$2,165 SGD
View
B+
Retailer 9
-
$2,461 SGD
View
B
Retailer 10
-
$3,240 SGD
View
Most Expensive
B
NZ Jewellers
50dce42f-6da0-45b4-b750-9d7622e92e62 · Nov 5
$4,328 SGD
$3,377 USD
View
10 more retailers have this diamond
Prices start from $1,711 SGDSave up to $2,617 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
1.01ct Radiant
$1,711 SGD