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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 $1,166 AUD
$817 USD
As of November 2, 2026
Save $4,349 AUD (79%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,515 AUD 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 $1,166 to $5,515, a $4,349 spread on the same certified stone. Rare Carat lists it at $5,515. 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
Colour
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

How it works →
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: $5,515 AUD|Low: $1,166 AUD|High: $7,548 AUD|Avg: $3,355 AUD|+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$1,166 AUD
Retailer 8$1,397 AUD
Retailer 5$1,511 AUD
Retailer 2$1,733 AUD
Retailer 11$2,143 AUD
Retailer 10$2,404 AUD
Retailer 9$4,294 AUD
Retailer 7$4,701 AUD
Retailer 3$4,740 AUD
Retailer 4$5,137 AUD
Rare Carat$5,515 AUD

21 data points across 11 retailers

7 retailers$1,166 AUD to $5,515 AUD

A
Cheapest Retailer
-
$1,166 AUD
$817 USD
A
Retailer 2
-
$1,397 AUD
$979 USD
View
A
Retailer 3
-
$1,511 AUD
$1,059 USD
View
B+
Retailer 4
-
$1,733 AUD
€1,157 EUR
View
Retailer 5
-
$4,701 AUD
£2,594 GBP
View
Price last confirmed 7 days ago
B
Retailer 6
-
$5,137 AUD
$3,600 USD
View
Most Expensive
B
Rare Carat
B24-13 · Oct 28
$5,515 AUD
$3,865 USD
View
6 more retailers have this diamond
Prices start from $1,166 AUDSave up to $4,349 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
1.62ct Radiant
$1,166 AUD