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Radiant|Natural|GIA

1.00ct K SI2 Radiant Natural Diamond

EX • K/SI2 • GIA 6552945890

Certificate GIA 6552945890

Diamond specifications and retailer prices

From $1,233 SGD
As of November 6, 2026
Save $2,808 SGD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,041 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552945890. Listed at 14 retailers as of November 5, 2026, with prices from $1,233 to $4,041, a $2,808 spread on the same certified stone. NZ Jewellers lists it at $4,041. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552945890
Dimensions7.06 × 5.04 × 3.31 mm
L/W Ratio1.40
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Knot, Needle
Top View
7.06 mm5.04 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552945890
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.6%

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: $4,041 SGD|Low: $1,233 SGD|High: $4,145 SGD|Avg: $2,125 SGD|-2.5%
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 7, 2026
Retailer 5$1,233 SGD
Retailer 9$1,535 SGD
Retailer 8$1,657 SGD
Retailer 4$1,678 SGD
Retailer 12$1,720 SGD
Retailer 6$1,829 SGD
Retailer 2$1,872 SGD
Retailer 3$1,911 SGD
Retailer 7$2,142 SGD
Retailer 11$2,549 SGD
Retailer 10$3,025 SGD
NZ Jewellers$4,041 SGD

27 data points across 12 retailers

14 retailers$1,233 SGD to $4,041 SGD

A
Cheapest Retailer
-
$1,233 SGD
A
Retailer 2
-
$1,535 SGD
View
A
Retailer 3
-
$1,657 SGD
View
Retailer 4
-
$1,678 SGD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$1,720 SGD
View
A
Retailer 6
-
$1,829 SGD
View
A
Retailer 7
-
$1,872 SGD
View
Retailer 8
-
$1,884 SGD
View
Price last confirmed 39 days ago
A
Retailer 9
-
$1,911 SGD
View
Retailer 10
-
$2,034 SGD
View
Price last confirmed 62 days ago
B+
Retailer 11
-
$2,142 SGD
View
B+
Retailer 12
-
$2,549 SGD
View
B
Retailer 13
-
$3,025 SGD
View
Most Expensive
B
NZ Jewellers
99df62bf-74a2-4c17-adba-a6788f87d649 · Nov 5
$4,041 SGD
$3,153 USD
View
13 more retailers have this diamond
Prices start from $1,233 SGDSave up to $2,808 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
$1,233 SGD