Radiant|Lab Grown|IGI

1.62ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG784646508

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

Certificate IGI LG784646508

Diamond specifications and retailer prices

From $817 USD
As of November 2, 2026
Save $3,048 USD (79%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,865 USD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.62ct lab-grown radiant diamond

This 1.62ct 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 LG784646508 or 784646508. Listed at 7 retailers as of October 28, 2026, with prices from $817 to $3,865, a $3,048 spread on the same certified stone. Rare Carat lists it at $3,865. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.62
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784646508
Dimensions8.22 × 5.86 × 3.88 mm
L/W Ratio1.40
Culet sizePointed
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
8.22 mm5.86 mm1.62 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784646508
Side View
Table 65.0%Crown 43.8°Girdle: Slightly ThickPavilion 33.6°Culet: NoneDepth 66.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: $3,865 USD|Low: $817 USD|High: $5,290 USD|Avg: $2,351 USD|+4.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$817 USD
Retailer 8$979 USD
Retailer 5$1,059 USD
Retailer 2$1,215 USD
Retailer 11$1,502 USD
Retailer 10$1,685 USD
Retailer 9$3,010 USD
Retailer 7$3,294 USD
Retailer 3$3,322 USD
Retailer 4$3,600 USD
Rare Carat$3,865 USD

21 data points across 11 retailers

7 retailers$817 USD to $3,865 USD

A
Cheapest Retailer
-
$817 USD
A
Retailer 2
-
$979 USD
View
A
Retailer 3
-
$1,059 USD
View
B+
Retailer 4
-
$1,215 USD
€1,157 EUR
View
Retailer 5
-
$3,294 USD
£2,594 GBP
View
Price last confirmed 7 days ago
B
Retailer 6
-
$3,600 USD
View
Most Expensive
B
Rare Carat
B24-13 · Oct 28
$3,865 USD
View
6 more retailers have this diamond
Prices start from $817 USDSave up to $3,048 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
1.62ct Radiant
$817 USD