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Radiant|Natural|IGI

1.00ct H SI1 Radiant Natural Diamond

VG • H/SI1 • IGI 713520856

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

Certificate IGI 713520856

Diamond specifications and retailer prices

From $1,385 SGD
As of November 6, 2026
Save $2,277 SGD (62%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,663 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 713520856. Listed at 16 retailers as of November 5, 2026, with prices from $1,385 to $3,663, a $2,277 spread on the same certified stone. NZ Jewellers lists it at $3,663. 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
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle31.3°
OriginNatural
Grading LabIGI
CertificateIGI 713520856
Dimensions5.84 × 5.09 × 3.56 mm
L/W Ratio1.15
Culet sizePointed
Top View
5.84 mm5.09 mm1.00 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 713520856
Side View
Table 64.0%Crown 44.8°Girdle: STK-THKPavilion 31.3°Culet: NoneDepth 69.9%

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: $3,663 SGD|Low: $1,385 SGD|High: $3,663 SGD|Avg: $1,880 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
November 7, 2026
Retailer 4$1,385 SGD
Retailer 10$1,435 SGD
Retailer 6$1,456 SGD
Retailer 11$1,502 SGD
Retailer 12$1,502 SGD
Retailer 5$1,560 SGD
Retailer 3$1,656 SGD
Retailer 2$1,724 SGD
Retailer 7$1,733 SGD
Retailer 8$1,833 SGD
Retailer 9$2,741 SGD
NZ Jewellers$3,663 SGD

30 data points across 12 retailers

16 retailers$1,385 SGD to $3,663 SGD

A
Cheapest Retailer
-
$1,385 SGD
Final sale: no returns
A
Retailer 2
-
$1,435 SGD
View
A
Retailer 3
-
$1,439 SGD
View
A
Retailer 4
-
$1,442 SGD
View
A
Retailer 5
-
$1,456 SGD
View
A
Retailer 6
-
$1,502 SGD
View
Retailer 7
-
$1,502 SGD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$1,560 SGD
View
A
Retailer 9
-
$1,585 SGD
View
A
Retailer 10
-
$1,656 SGD
View
B+
Retailer 11
-
$1,674 SGD
View
A
Retailer 12
-
$1,724 SGD
View
A
Retailer 13
-
$1,733 SGD
View
A
Retailer 14
-
$1,833 SGD
View
B+
Retailer 15
-
$2,741 SGD
View
Most Expensive
B
NZ Jewellers
c6bff212-e76d-481f-a905-115d9f1bd832 · Nov 5
$3,663 SGD
$2,858 USD
View
15 more retailers have this diamond
Prices start from $1,385 SGDSave up to $2,277 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
$1,385 SGD