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Radiant|Lab Grown|IGI

1.42ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG662464741

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

Certificate IGI LG662464741

Diamond specifications and retailer prices

From $325 AUD
$228 USD
As of October 30, 2026
Save $2,921 AUD (90%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $3,246 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.42ct lab-grown radiant diamond

This 1.42ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG662464741 or 662464741. Listed at 28 retailers as of October 30, 2026, with prices from $325 to $3,246, a $2,921 spread on the same certified stone. Brilliant Earth lists it at $3,246. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.42
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662464741
Dimensions7.98 × 5.63 × 3.65 mm
L/W Ratio1.42
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
7.98 mm5.63 mm1.42 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662464741
Side View
Table 63.0%Crown 40.7°Girdle: MediumPavilion 32.7°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,246 AUD|Low: $325 AUD|High: $4,114 AUD|Avg: $1,265 AUD|-21.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 3$325 AUD
Retailer 13$379 AUD
Retailer 5$620 AUD
Retailer 4$626 AUD
Retailer 9$738 AUD
Retailer 7$756 AUD
Retailer 11$762 AUD
Retailer 2$845 AUD
Retailer 12$1,080 AUD
Retailer 8$1,160 AUD
Retailer 16$1,297 AUD
Retailer 15$1,786 AUD
Retailer 6$1,788 AUD
Retailer 10$1,802 AUD
Retailer 14$2,833 AUD
Brilliant Earth$3,246 AUD

44 data points across 16 retailers

28 retailers$325 AUD to $3,246 AUD

A
Cheapest Retailer
-
$325 AUD
$228 USD
Retailer 2
-
$325 AUD
$228 USD
View
Price last confirmed 24 days ago
Retailer 3
-
$325 AUD
$228 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$376 AUD
$264 USD
View
Price last confirmed 35 days ago
A
Retailer 5
-
$379 AUD
$266 USD
View
Final sale: no returns
Retailer 6
-
$397 AUD
$279 USD
View
Price last confirmed 34 days ago
Retailer 7
-
$401 AUD
$282 USD
View
Price last confirmed 29 days ago
A
Retailer 8
-
$620 AUD
HK$3,400 HKD
View
A
Retailer 9
-
$626 AUD
$440 USD
View
A
Retailer 10
-
$738 AUD
€494 EUR
View
A
Retailer 11
-
$756 AUD
$531 USD
View
A
Retailer 12
-
$762 AUD
ZAR 8,648 ZAR
View
A
Retailer 13
-
$845 AUD
£467 GBP
View
A
Retailer 14
-
$978 AUD
$687 USD
View
A
Retailer 15
-
$1,080 AUD
View
A
Retailer 16
-
$1,160 AUD
$815 USD
View
B+
Retailer 17
-
$1,297 AUD
$911 USD
View
Retailer 18
-
$1,426 AUD
$1,002 USD
View
Price last confirmed 22 days ago
B+
Retailer 19
-
$1,426 AUD
$1,002 USD
View
Retailer 20
-
$1,426 AUD
$1,002 USD
View
Price last confirmed 32 days ago
B+
Retailer 21
-
$1,669 AUD
$1,172 USD
View
B+
Retailer 22
-
$1,786 AUD
£988 GBP
View
B+
Retailer 23
-
$1,788 AUD
SGD 1,697 SGD
View
B+
Retailer 24
-
$1,802 AUD
View
B+
Retailer 25
-
$1,823 AUD
$1,281 USD
View
B
Retailer 26
-
$2,833 AUD
$1,990 USD
View
B
Retailer 27
-
$3,118 AUD
$2,190 USD
View
Most Expensive
B
Brilliant Earth
12545145Y · Oct 31
$3,246 AUD
$2,280 USD
View
27 more retailers have this diamond
Prices start from $325 AUDSave up to $2,921 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
1.42ct Radiant
$325 AUD