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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 $1,265 NZD
$712 USD
As of November 2, 2026
Save $3,037 NZD (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,303 NZD 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 $1,265 to $4,303, a $3,037 spread on the same certified stone. NZ Jewellers lists it at $4,303. 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: $4,303 NZD|Low: $1,161 NZD|High: $4,303 NZD|Avg: $1,874 NZD
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$1,265 NZD
Retailer 3$1,372 NZD
Retailer 12$1,372 NZD
Retailer 7$1,377 NZD
Retailer 11$1,425 NZD
Retailer 4$1,584 NZD
Retailer 8$1,675 NZD
Retailer 2$1,700 NZD
Retailer 6$1,780 NZD
Retailer 9$2,044 NZD
Retailer 5$2,512 NZD
NZ Jewellers$4,303 NZD

45 data points across 12 retailers

15 retailers$1,265 NZD to $4,303 NZD

B+
Cheapest Retailer
-
$1,265 NZD
$712 USD
Final sale: no returns
Retailer 2
-
$1,372 NZD
$772 USD
View
Price last confirmed 49 days ago
B+
Retailer 3
-
$1,372 NZD
$772 USD
View
B+
Retailer 4
-
$1,372 NZD
$772 USD
View
A
Retailer 5
-
$1,377 NZD
$775 USD
View
B+
Retailer 6
-
$1,392 NZD
$783 USD
View
B+
Retailer 7
-
$1,425 NZD
$802 USD
View
Retailer 8
-
$1,584 NZD
$891 USD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$1,608 NZD
$905 USD
View
B+
Retailer 10
-
$1,675 NZD
£742 GBP
View
B+
Retailer 11
-
$1,700 NZD
£753 GBP
View
B+
Retailer 12
-
$1,780 NZD
€954 EUR
View
Retailer 13
-
$2,044 NZD
ZAR 18,578 ZAR
View
Price last confirmed 8 days ago
B
Retailer 14
-
$2,512 NZD
£1,113 GBP
View
Most Expensive
C
NZ Jewellers
089cfd85-9d03-441a-a734-b5d62f2e8a9d · Oct 27
$4,303 NZD
$2,421 USD
View
14 more retailers have this diamond
Prices start from $1,265 NZDSave up to $3,037 NZD

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
$1,265 NZD