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Radiant|Lab Grown|IGI

1.42ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG621400286

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

Certificate IGI LG621400286

Diamond specifications and retailer prices

From $321 SGD
$251 USD
As of October 30, 2026
Save $2,619 SGD (89%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $2,940 SGD at Brilliant Earth · As of October 29, 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 LG621400286 or 621400286. Listed at 29 retailers as of October 29, 2026, with prices from $321 to $2,940, a $2,619 spread on the same certified stone. Brilliant Earth lists it at $2,940. 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 angle43.6°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621400286
Dimensions5.67 × 5.67 × 3.78 mm
L/W Ratio1.00
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
5.67 mm5.67 mm1.42 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621400286
Side View
Table 64.0%Crown 43.6°Girdle: MediumPavilion 34.8°Culet: NoneDepth 66.7%

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: Oct 30
Current: $2,940 SGD|Low: $321 SGD|High: $2,940 SGD|Avg: $979 SGD
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
October 31, 2026
Retailer 3$321 SGD
Retailer 8$359 SGD
Retailer 5$458 SGD
Retailer 4$562 SGD
Retailer 10$601 SGD
Retailer 2$663 SGD
Retailer 13$684 SGD
Retailer 7$730 SGD
Retailer 9$758 SGD
Retailer 14$970 SGD
Retailer 15$1,223 SGD
Retailer 6$1,345 SGD
Retailer 12$1,604 SGD
Retailer 11$1,609 SGD
Brilliant Earth$2,940 SGD

40 data points across 15 retailers

29 retailers$321 SGD to $2,940 SGD

A
Cheapest Retailer
-
$321 SGD
$251 USD
Retailer 2
-
$321 SGD
$251 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$321 SGD
$251 USD
View
Price last confirmed 31 days ago
A
Retailer 4
-
$359 SGD
$281 USD
View
Final sale: no returns
Retailer 5
-
$372 SGD
$291 USD
View
Price last confirmed 34 days ago
Retailer 6
-
$394 SGD
$308 USD
View
Price last confirmed 33 days ago
Retailer 7
-
$399 SGD
$312 USD
View
Price last confirmed 28 days ago
A
Retailer 8
-
$458 SGD
HK$2,800 HKD
View
A
Retailer 9
-
$562 SGD
$440 USD
View
A
Retailer 10
-
$601 SGD
$470 USD
View
A
Retailer 11
-
$663 SGD
€494 EUR
View
A
Retailer 12
-
$684 SGD
ZAR 8,648 ZAR
View
A
Retailer 13
-
$730 SGD
$571 USD
View
A
Retailer 14
-
$758 SGD
£467 GBP
View
A
Retailer 15
-
$879 SGD
$687 USD
View
A
Retailer 16
-
$970 SGD
A$1,167 AUD
View
B+
Retailer 17
-
$1,223 SGD
$957 USD
View
Retailer 18
-
$1,281 SGD
$1,002 USD
View
Price last confirmed 21 days ago
B+
Retailer 19
-
$1,281 SGD
$1,002 USD
View
Retailer 20
-
$1,281 SGD
$1,002 USD
View
Price last confirmed 31 days ago
B+
Retailer 21
-
$1,335 SGD
$1,044 USD
View
B+
Retailer 22
-
$1,345 SGD
View
B+
Retailer 23
-
$1,346 SGD
$1,053 USD
View
B+
Retailer 24
-
$1,474 SGD
$1,153 USD
View
B+
Retailer 25
-
$1,604 SGD
£988 GBP
View
B+
Retailer 26
-
$1,609 SGD
A$1,936 AUD
View
B+
Retailer 27
-
$1,735 SGD
$1,357 USD
View
B
Retailer 28
-
$2,693 SGD
£1,659 GBP
View
Most Expensive
B
Brilliant Earth
9219881A · Oct 29
$2,940 SGD
$2,300 USD
View
28 more retailers have this diamond
Prices start from $321 SGDSave up to $2,619 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
1.42ct Radiant
$321 SGD