CaratHunter
Plans
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 $799 AUD
$560 USD
As of November 2, 2026
Save $6,293 AUD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,092 AUD 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 $799 to $7,092, a $6,293 spread on the same certified stone. Do Amore Diamonds lists it at $7,092. 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

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: $7,092 AUD|Low: $799 AUD|High: $7,734 AUD|Avg: $3,138 AUD
Do Amore Diamonds
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
Retailer 17
Retailer 18
October 31, 2026
Retailer 16$799 AUD
Retailer 8$895 AUD
Retailer 18$1,177 AUD
Retailer 15$1,191 AUD
Retailer 4$1,428 AUD
Retailer 14$1,528 AUD
Retailer 12$1,697 AUD
Retailer 2$1,754 AUD
Retailer 3$2,558 AUD
Retailer 7$2,794 AUD
Retailer 5$2,878 AUD
Retailer 9$3,456 AUD
Retailer 17$4,687 AUD
Retailer 6$4,757 AUD
Retailer 10$5,068 AUD
Retailer 11$5,194 AUD
Retailer 13$5,579 AUD
Do Amore Diamonds$7,092 AUD

33 data points across 18 retailers

17 retailers$799 AUD to $7,092 AUD

A
Cheapest Retailer
-
$799 AUD
$560 USD
A
Retailer 2
-
$895 AUD
$627 USD
View
A
Retailer 3
-
$1,177 AUD
$825 USD
View
A
Retailer 4
-
$1,191 AUD
$835 USD
View
A
Retailer 5
-
$1,428 AUD
$1,001 USD
View
A
Retailer 6
-
$1,527 AUD
$1,070 USD
View
A
Retailer 7
-
$1,528 AUD
$1,071 USD
View
B+
Retailer 8
-
$1,754 AUD
€1,171 EUR
View
B+
Retailer 9
-
$2,558 AUD
$1,793 USD
View
B
Retailer 10
-
$2,794 AUD
$1,958 USD
View
B+
Retailer 11
-
$2,878 AUD
$2,017 USD
View
Retailer 12
-
$3,456 AUD
$2,422 USD
View
Price last confirmed 17 days ago
B
Retailer 13
-
$4,687 AUD
$3,285 USD
View
Retailer 14
-
$4,757 AUD
£2,625 GBP
View
Price last confirmed 7 days ago
B
Retailer 15
-
$5,194 AUD
$3,640 USD
View
B
Retailer 16
-
$5,579 AUD
$3,910 USD
View
Most Expensive
B
Do Amore Diamonds
27-F02CB5A49 · Nov 2
$7,092 AUD
$4,970 USD
View
16 more retailers have this diamond
Prices start from $799 AUDSave up to $6,293 AUD

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
$799 AUD