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 $712 USD
As of November 2, 2026
Save $1,709 USD (71%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,421 USD 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 $712 to $2,421, a $1,709 spread on the same certified stone. NZ Jewellers lists it at $2,421. 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
Color
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: $2,421 USD|Low: $653 USD|High: $2,421 USD|Avg: $1,052 USD
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 2, 2026
Retailer 10$712 USD
Retailer 3$772 USD
Retailer 12$772 USD
Retailer 7$775 USD
Retailer 11$802 USD
Retailer 4$891 USD
Retailer 8$942 USD
Retailer 6$956 USD
Retailer 5$1,002 USD
Retailer 9$1,150 USD
Retailer 2$1,414 USD
NZ Jewellers$2,421 USD

45 data points across 12 retailers

15 retailers$712 USD to $2,421 USD

B+
Cheapest Retailer
-
$712 USD
Final sale: no returns
Retailer 2
-
$772 USD
View
Price last confirmed 48 days ago
B+
Retailer 3
-
$772 USD
View
B+
Retailer 4
-
$772 USD
View
A
Retailer 5
-
$775 USD
View
B+
Retailer 6
-
$783 USD
View
B+
Retailer 7
-
$802 USD
View
B+
Retailer 8
-
$891 USD
View
B+
Retailer 9
-
$905 USD
View
B+
Retailer 10
-
$942 USD
£742 GBP
View
B+
Retailer 11
-
$956 USD
£753 GBP
View
B+
Retailer 12
-
$1,002 USD
€954 EUR
View
Retailer 13
-
$1,150 USD
ZAR 18,578 ZAR
View
Price last confirmed 7 days ago
B
Retailer 14
-
$1,414 USD
£1,113 GBP
View
Most Expensive
C
NZ Jewellers
089cfd85-9d03-441a-a734-b5d62f2e8a9d · Oct 27
$2,421 USD
View
14 more retailers have this diamond
Prices start from $712 USDSave up to $1,709 USD

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
$712 USD