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Radiant|Natural|IGI

0.64ct H SI1 Radiant Natural Diamond

VG • H/SI1 • IGI 811673436

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

Certificate IGI 811673436

Diamond specifications and retailer prices

From $911 SGD
$712 USD
As of November 2, 2026
Save $2,186 SGD (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,096 SGD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 0.64ct natural radiant diamond

This 0.64ct natural radiant sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 811673436. Listed at 15 retailers as of October 27, 2026, with prices from $911 to $3,096, a $2,186 spread on the same certified stone. NZ Jewellers lists it at $3,096. 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

0.64
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.8°
Pavilion angle36.4°
OriginNatural
Grading LabIGI
CertificateIGI 811673436
Dimensions5.26 × 4.63 × 3.11 mm
L/W Ratio1.14
Top View
5.26 mm4.63 mm0.64 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 811673436
Side View
Table 75.0%Crown 38.8°Girdle: Slightly ThickPavilion 36.4°CuletDepth 67.2%

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 2
Current: $3,096 SGD|Low: $835 SGD|High: $3,096 SGD|Avg: $1,349 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 3, 2026
Retailer 10$911 SGD
Retailer 3$987 SGD
Retailer 12$987 SGD
Retailer 7$991 SGD
Retailer 11$1,026 SGD
Retailer 4$1,139 SGD
Retailer 8$1,205 SGD
Retailer 2$1,223 SGD
Retailer 6$1,281 SGD
Retailer 9$1,471 SGD
Retailer 5$1,808 SGD
NZ Jewellers$3,096 SGD

45 data points across 12 retailers

15 retailers$911 SGD to $3,096 SGD

B+
Cheapest Retailer
-
$911 SGD
$712 USD
Final sale: no returns
Retailer 2
-
$987 SGD
$772 USD
View
Price last confirmed 49 days ago
B+
Retailer 3
-
$987 SGD
$772 USD
View
B+
Retailer 4
-
$987 SGD
$772 USD
View
A
Retailer 5
-
$991 SGD
$775 USD
View
B+
Retailer 6
-
$1,001 SGD
$783 USD
View
B+
Retailer 7
-
$1,026 SGD
$802 USD
View
B+
Retailer 8
-
$1,139 SGD
$891 USD
View
B+
Retailer 9
-
$1,157 SGD
$905 USD
View
B+
Retailer 10
-
$1,205 SGD
£742 GBP
View
B+
Retailer 11
-
$1,223 SGD
£753 GBP
View
B+
Retailer 12
-
$1,281 SGD
€954 EUR
View
Retailer 13
-
$1,471 SGD
ZAR 18,578 ZAR
View
Price last confirmed 7 days ago
B
Retailer 14
-
$1,808 SGD
£1,113 GBP
View
Most Expensive
C
NZ Jewellers
089cfd85-9d03-441a-a734-b5d62f2e8a9d · Oct 27
$3,096 SGD
$2,421 USD
View
14 more retailers have this diamond
Prices start from $911 SGDSave up to $2,186 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
0.64ct Radiant
$911 SGD