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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 $716 SGD
$560 USD
As of November 2, 2026
Save $5,640 SGD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,356 SGD 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 $716 to $6,356, a $5,640 spread on the same certified stone. Do Amore Diamonds lists it at $6,356. 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: $6,356 SGD|Low: $716 SGD|High: $6,932 SGD|Avg: $2,812 SGD
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 18
October 31, 2026
Retailer 16$716 SGD
Retailer 8$802 SGD
Retailer 18$1,055 SGD
Retailer 15$1,068 SGD
Retailer 4$1,280 SGD
Retailer 14$1,370 SGD
Retailer 12$1,521 SGD
Retailer 2$1,572 SGD
Retailer 3$2,293 SGD
Retailer 7$2,504 SGD
Retailer 5$2,580 SGD
Retailer 9$3,097 SGD
Retailer 17$4,201 SGD
Retailer 6$4,264 SGD
Retailer 10$4,543 SGD
Retailer 11$4,655 SGD
Retailer 13$5,000 SGD
Do Amore Diamonds$6,356 SGD

33 data points across 18 retailers

17 retailers$716 SGD to $6,356 SGD

A
Cheapest Retailer
-
$716 SGD
$560 USD
A
Retailer 2
-
$802 SGD
$627 USD
View
A
Retailer 3
-
$1,055 SGD
$825 USD
View
A
Retailer 4
-
$1,068 SGD
$835 USD
View
A
Retailer 5
-
$1,280 SGD
$1,001 USD
View
A
Retailer 6
-
$1,368 SGD
$1,070 USD
View
A
Retailer 7
-
$1,370 SGD
$1,071 USD
View
B+
Retailer 8
-
$1,572 SGD
€1,171 EUR
View
B+
Retailer 9
-
$2,293 SGD
$1,793 USD
View
B
Retailer 10
-
$2,504 SGD
$1,958 USD
View
B+
Retailer 11
-
$2,580 SGD
$2,017 USD
View
Retailer 12
-
$3,097 SGD
$2,422 USD
View
Price last confirmed 17 days ago
B
Retailer 13
-
$4,201 SGD
$3,285 USD
View
Retailer 14
-
$4,264 SGD
£2,625 GBP
View
Price last confirmed 7 days ago
B
Retailer 15
-
$4,655 SGD
$3,640 USD
View
B
Retailer 16
-
$5,000 SGD
$3,910 USD
View
Most Expensive
B
Do Amore Diamonds
27-F02CB5A49 · Nov 2
$6,356 SGD
$4,970 USD
View
16 more retailers have this diamond
Prices start from $716 SGDSave up to $5,640 SGD

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
$716 SGD