Radiant|Lab Grown|IGI

1.62ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG843604897

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

Certificate IGI LG843604897

Diamond specifications and retailer prices

From $273 USD
As of October 30, 2026
Save $3,047 USD (92%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,320 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843604897 or 843604897. Listed at 18 retailers as of October 30, 2026, with prices from $273 to $3,320, a $3,047 spread on the same certified stone. Brilliant Earth lists it at $3,320. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.7°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843604897
Dimensions8.08 × 5.83 × 4.00 mm
L/W Ratio1.39
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
8.08 mm5.83 mm1.62 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843604897
Side View
Table 64.0%Crown 45.7°Girdle: Slightly ThickPavilion 35°Culet: NoneDepth 68.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $3,320 USD|Low: $273 USD|High: $3,750 USD|Avg: $1,339 USD|-11.5%
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
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Retailer 19
October 30, 2026
Retailer 15$273 USD
Retailer 5$316 USD
Retailer 2$396 USD
Retailer 16$514 USD
Retailer 19$559 USD
Retailer 14$560 USD
Retailer 6$620 USD
Retailer 13$870 USD
Retailer 8$904 USD
Retailer 18$1,039 USD
Retailer 4$1,074 USD
Retailer 3$1,200 USD
Retailer 11$1,411 USD
Retailer 12$1,504 USD
Retailer 10$1,684 USD
Retailer 17$2,420 USD
Retailer 9$2,800 USD
Retailer 7$3,054 USD
Brilliant Earth$3,320 USD

17 data points across 19 retailers

18 retailers$273 USD to $3,320 USD

A
Cheapest Retailer
-
$273 USD
A
Retailer 2
-
$316 USD
View
A
Retailer 3
-
$396 USD
£312 GBP
View
A
Retailer 4
-
$514 USD
View
A
Retailer 5
-
$559 USD
View
A
Retailer 6
-
$560 USD
View
Retailer 7
-
$620 USD
€590 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
$870 USD
A$1,338 AUD
View
A
Retailer 9
-
$904 USD
View
A
Retailer 10
-
$1,039 USD
View
A
Retailer 11
-
$1,074 USD
View
B+
Retailer 12
-
$1,200 USD
View
Retailer 13
-
$1,411 USD
View
Price last confirmed 14 days ago
B+
Retailer 14
-
$1,504 USD
£1,184 GBP
View
B
Retailer 15
-
$2,420 USD
View
B
Retailer 16
-
$2,800 USD
View
B
Retailer 17
-
$3,054 USD
View
Most Expensive
B
Brilliant Earth
22166110Y · Oct 30
$3,320 USD
View
17 more retailers have this diamond
Prices start from $273 USDSave up to $3,047 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
$273 USD