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Radiant|Lab Grown|IGI

1.64ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG825652792

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

Certificate IGI LG825652792

Diamond specifications and retailer prices

From $995 NZD
$560 USD
As of November 2, 2026
Save $7,838 NZD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,833 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.64ct lab-grown radiant diamond

This 1.64ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825652792 or 825652792. Listed at 17 retailers as of November 2, 2026, with prices from $995 to $8,833, a $7,838 spread on the same certified stone. Do Amore Diamonds lists it at $8,833. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.64
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825652792
Dimensions8.33 × 5.68 × 4.01 mm
L/W Ratio1.47
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.33 mm5.68 mm1.64 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825652792
Side View
Table 66.0%Crown 45.2°Girdle: Slightly ThickPavilion 36.9°Culet: NoneDepth 70.6%

Caratlytics Score

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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 2
Current: $8,833 NZD|Low: $995 NZD|High: $9,633 NZD|Avg: $3,908 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
October 31, 2026
Retailer 16$995 NZD
Retailer 8$1,114 NZD
Retailer 18$1,466 NZD
Retailer 15$1,484 NZD
Retailer 4$1,779 NZD
Retailer 14$1,903 NZD
Retailer 12$2,113 NZD
Retailer 2$2,185 NZD
Retailer 3$3,187 NZD
Retailer 7$3,480 NZD
Retailer 5$3,585 NZD
Retailer 9$4,305 NZD
Retailer 17$5,838 NZD
Retailer 6$5,925 NZD
Retailer 10$6,313 NZD
Retailer 11$6,469 NZD
Retailer 13$6,949 NZD
Do Amore Diamonds$8,833 NZD

33 data points across 18 retailers

17 retailers$995 NZD to $8,833 NZD

A
Cheapest Retailer
-
$995 NZD
$560 USD
A
Retailer 2
-
$1,114 NZD
$627 USD
View
A
Retailer 3
-
$1,466 NZD
$825 USD
View
A
Retailer 4
-
$1,484 NZD
$835 USD
View
A
Retailer 5
-
$1,779 NZD
$1,001 USD
View
A
Retailer 6
-
$1,902 NZD
$1,070 USD
View
A
Retailer 7
-
$1,903 NZD
$1,071 USD
View
B+
Retailer 8
-
$2,185 NZD
€1,171 EUR
View
B+
Retailer 9
-
$3,187 NZD
$1,793 USD
View
B
Retailer 10
-
$3,480 NZD
$1,958 USD
View
B+
Retailer 11
-
$3,585 NZD
$2,017 USD
View
Retailer 12
-
$4,305 NZD
$2,422 USD
View
Price last confirmed 17 days ago
B
Retailer 13
-
$5,838 NZD
$3,285 USD
View
Retailer 14
-
$5,925 NZD
£2,625 GBP
View
Price last confirmed 7 days ago
B
Retailer 15
-
$6,469 NZD
$3,640 USD
View
B
Retailer 16
-
$6,949 NZD
$3,910 USD
View
Most Expensive
B
Do Amore Diamonds
27-F02CB5A49 · Nov 2
$8,833 NZD
$4,970 USD
View
16 more retailers have this diamond
Prices start from $995 NZDSave up to $7,838 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
1.64ct Radiant
$995 NZD