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 $560 USD
As of November 2, 2026
Save $4,410 USD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,970 USD 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 $560 to $4,970, a $4,410 spread on the same certified stone. Do Amore Diamonds lists it at $4,970. 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
Color
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: $4,970 USD|Low: $560 USD|High: $5,420 USD|Avg: $2,201 USD
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$560 USD
Retailer 8$627 USD
Retailer 18$825 USD
Retailer 15$835 USD
Retailer 4$1,001 USD
Retailer 14$1,071 USD
Retailer 12$1,189 USD
Retailer 2$1,230 USD
Retailer 3$1,793 USD
Retailer 7$1,958 USD
Retailer 5$2,017 USD
Retailer 9$2,422 USD
Retailer 17$3,285 USD
Retailer 6$3,334 USD
Retailer 10$3,552 USD
Retailer 11$3,640 USD
Retailer 13$3,910 USD
Do Amore Diamonds$4,970 USD

34 data points across 18 retailers

17 retailers$560 USD to $4,970 USD

A
Cheapest Retailer
-
$560 USD
A
Retailer 2
-
$627 USD
View
A
Retailer 3
-
$825 USD
View
A
Retailer 4
-
$835 USD
View
A
Retailer 5
-
$1,001 USD
View
A
Retailer 6
-
$1,070 USD
View
A
Retailer 7
-
$1,071 USD
View
B+
Retailer 8
-
$1,230 USD
€1,171 EUR
View
B+
Retailer 9
-
$1,793 USD
View
B
Retailer 10
-
$1,958 USD
View
B+
Retailer 11
-
$2,017 USD
View
Retailer 12
-
$2,422 USD
View
Price last confirmed 17 days ago
B
Retailer 13
-
$3,285 USD
View
B
Retailer 14
-
$3,334 USD
£2,625 GBP
View
B
Retailer 15
-
$3,640 USD
View
B
Retailer 16
-
$3,910 USD
View
Most Expensive
B
Do Amore Diamonds
27-F02CB5A49 · Nov 2
$4,970 USD
View
16 more retailers have this diamond
Prices start from $560 USDSave up to $4,410 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
1.64ct Radiant
$560 USD