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Radiant|Natural|IGI

1.00ct H SI2 Radiant Natural Diamond

VG • H/SI2 • IGI 700528979

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

Certificate IGI 700528979

Diamond specifications and retailer prices

From $1,526 SGD
$1,194 USD
As of October 31, 2026
Save $2,508 SGD (62%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,035 SGD at NZ Jewellers · As of October 30, 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 700528979. Listed at 15 retailers as of October 30, 2026, with prices from $1,526 to $4,035, a $2,508 spread on the same certified stone. NZ Jewellers lists it at $4,035. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Crown angle43.6°
Pavilion angle31.8°
OriginNatural
Grading LabIGI
CertificateIGI 700528979
Dimensions6.15 × 4.87 × 3.57 mm
L/W Ratio1.26
Culet sizeNone
Top View
6.15 mm4.87 mm1.00 ctH / SI2
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateIGI 700528979
Side View
Table 61.0%Crown 43.6°Girdle: STK-THKPavilion 31.8°Culet: NoneDepth 73.3%

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: Oct 31
Current: $4,035 SGD|Low: $523 SGD|High: $4,035 SGD|Avg: $1,963 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
Retailer 16
November 1, 2026
Retailer 15$1,526 SGD
Retailer 6$1,534 SGD
Retailer 14$1,566 SGD
Retailer 9$1,636 SGD
Retailer 2$1,654 SGD
Retailer 5$1,654 SGD
Retailer 4$1,714 SGD
Retailer 16$1,718 SGD
Retailer 3$1,723 SGD
Retailer 13$1,825 SGD
Retailer 7$1,827 SGD
Retailer 11$1,909 SGD
Retailer 8$1,968 SGD
Retailer 12$2,310 SGD
Retailer 10$3,030 SGD
NZ Jewellers$4,035 SGD

46 data points across 16 retailers

15 retailers$1,526 SGD to $4,035 SGD

A
Cheapest Retailer
-
$1,526 SGD
$1,194 USD
Final sale: no returns
A
Retailer 2
-
$1,534 SGD
$1,200 USD
View
B+
Retailer 3
-
$1,566 SGD
$1,225 USD
View
A
Retailer 4
-
$1,636 SGD
£1,007 GBP
View
B+
Retailer 5
-
$1,654 SGD
$1,294 USD
View
B+
Retailer 6
-
$1,654 SGD
$1,294 USD
View
B+
Retailer 7
-
$1,714 SGD
$1,341 USD
View
B+
Retailer 8
-
$1,718 SGD
$1,344 USD
View
B+
Retailer 9
-
$1,723 SGD
$1,348 USD
View
A
Retailer 10
-
$1,825 SGD
£1,124 GBP
View
B+
Retailer 11
-
$1,827 SGD
$1,429 USD
View
B+
Retailer 12
-
$1,909 SGD
$1,493 USD
View
B+
Retailer 13
-
$2,310 SGD
€1,721 EUR
View
B+
Retailer 14
-
$3,030 SGD
£1,866 GBP
View
Most Expensive
B
NZ Jewellers
002258a4-b8f1-4f67-a92a-447cb97fc264 · Oct 30
$4,035 SGD
$3,156 USD
View
14 more retailers have this diamond
Prices start from $1,526 SGDSave up to $2,508 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
$1,526 SGD