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Radiant|Lab Grown|IGI

1.64ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG799676862

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

Certificate IGI LG799676862

Diamond specifications and retailer prices

From $862 SGD
$674 USD
As of November 2, 2026
Save $6,786 SGD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,648 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 LG799676862 or 799676862. Listed at 22 retailers as of November 2, 2026, with prices from $862 to $7,648, a $6,786 spread on the same certified stone. Do Amore Diamonds lists it at $7,648. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799676862
Dimensions8.72 × 5.87 × 3.87 mm
L/W Ratio1.49
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
8.72 mm5.87 mm1.64 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799676862
Side View
Table 60.0%Crown 39.6°Girdle: MediumPavilion 35°Culet: NoneDepth 65.9%

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: $7,648 SGD|Low: $827 SGD|High: $7,648 SGD|Avg: $2,753 SGD
Do Amore Diamonds
Retailer 2
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Retailer 22
November 2, 2026
Retailer 22$862 SGD
Retailer 21$937 SGD
Retailer 9$963 SGD
Retailer 3$999 SGD
Retailer 10$999 SGD
Retailer 16$1,228 SGD
Retailer 5$1,274 SGD
Retailer 6$1,316 SGD
Retailer 18$1,375 SGD
Retailer 8$1,628 SGD
Retailer 13$1,771 SGD
Retailer 2$2,027 SGD
Retailer 20$2,553 SGD
Retailer 7$3,101 SGD
Retailer 4$3,408 SGD
Retailer 14$3,430 SGD
Retailer 11$3,432 SGD
Retailer 15$3,946 SGD
Retailer 12$3,972 SGD
Retailer 17$4,337 SGD
Retailer 19$5,000 SGD
Do Amore Diamonds$7,648 SGD

44 data points across 22 retailers

22 retailers$862 SGD to $7,648 SGD

A
Cheapest Retailer
-
$862 SGD
$674 USD
A
Retailer 2
-
$937 SGD
$733 USD
View
A
Retailer 3
-
$963 SGD
$753 USD
View
Final sale: no returns
Retailer 4
-
$999 SGD
$781 USD
View
Price last confirmed 17 days ago
A
Retailer 5
-
$999 SGD
$781 USD
View
A
Retailer 6
-
$1,228 SGD
$960 USD
View
A
Retailer 7
-
$1,274 SGD
$996 USD
View
A
Retailer 8
-
$1,316 SGD
$1,029 USD
View
A
Retailer 9
-
$1,375 SGD
HK$8,400 HKD
View
B+
Retailer 10
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$1,628 SGD
$1,273 USD
View
B+
Retailer 11
-
$1,771 SGD
£1,090 GBP
View
B+
Retailer 12
-
$2,027 SGD
ZAR 25,601 ZAR
View
B+
Retailer 13
-
$2,553 SGD
$1,996 USD
View
B
Retailer 14
-
$3,101 SGD
$2,425 USD
View
B
Retailer 15
-
$3,408 SGD
$2,665 USD
View
B
Retailer 16
-
$3,430 SGD
£2,112 GBP
View
B
Retailer 17
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$3,432 SGD
$2,683 USD
View
B
Retailer 18
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$3,946 SGD
$3,086 USD
View
B
Retailer 19
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$3,972 SGD
View
B
Retailer 20
-
$4,337 SGD
£2,670 GBP
View
Price last confirmed 7 days ago
B
Retailer 21
-
$5,000 SGD
$3,910 USD
View
Most Expensive
B
Do Amore Diamonds
27-4291426D9 · Nov 2
$7,648 SGD
$5,980 USD
View
21 more retailers have this diamond
Prices start from $862 SGDSave up to $6,786 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
$862 SGD