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Radiant|Natural|IGI

1.00ct K SI2 Radiant Natural Diamond

VG • K/SI2 • IGI 808620061

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI 808620061

Diamond specifications and retailer prices

From $1,166 SGD
As of November 4, 2026
Save $2,559 SGD (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,726 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 very-good cut grade and certified by IGI 808620061. Listed at 13 retailers as of November 4, 2026, with prices from $1,166 to $3,726, a $2,559 spread on the same certified stone. NZ Jewellers lists it at $3,726. 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
K
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle46.4°
Pavilion angle27.5°
OriginNatural
Grading LabIGI
CertificateIGI 808620061
Dimensions5.92 × 4.90 × 3.44 mm
L/W Ratio1.21
Top View
5.92 mm4.90 mm1.00 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 808620061
Side View
Table 63.0%Crown 46.4°Girdle: Very ThickPavilion 27.5°Culet: NoneDepth 70.2%

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: $3,726 SGD|Low: $1,166 SGD|High: $3,726 SGD|Avg: $1,548 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
November 6, 2026
Retailer 7$1,166 SGD
Retailer 9$1,188 SGD
Retailer 12$1,188 SGD
Retailer 3$1,201 SGD
Retailer 2$1,215 SGD
Retailer 10$1,225 SGD
Retailer 5$1,233 SGD
Retailer 4$1,319 SGD
Retailer 13$1,358 SGD
Retailer 11$1,370 SGD
Retailer 6$1,535 SGD
Retailer 8$2,172 SGD
NZ Jewellers$3,726 SGD

21 data points across 13 retailers

13 retailers$1,166 SGD to $3,726 SGD

B+
Cheapest Retailer
-
$1,166 SGD
Retailer 2
-
$1,188 SGD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$1,188 SGD
View
B+
Retailer 4
-
$1,201 SGD
View
A
Retailer 5
-
$1,215 SGD
View
B+
Retailer 6
-
$1,225 SGD
View
B+
Retailer 7
-
$1,233 SGD
View
B+
Retailer 8
-
$1,319 SGD
View
B+
Retailer 9
-
$1,358 SGD
View
B+
Retailer 10
-
$1,370 SGD
View
B+
Retailer 11
-
$1,535 SGD
View
B+
Retailer 12
-
$2,172 SGD
View
Most Expensive
C
NZ Jewellers
9848e113-4049-4ee3-921d-e04c9d01de69 · Nov 5
$3,726 SGD
$2,907 USD
View
12 more retailers have this diamond
Prices start from $1,166 SGDSave up to $2,559 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
$1,166 SGD