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Radiant|Lab Grown|IGI

1.62ct E SI1 Radiant Lab Grown Diamond

VG • E/SI1 • IGI LG538257796

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

Certificate IGI LG538257796

Diamond specifications and retailer prices

From $384 AUD
$270 USD
As of October 27, 2026
Save $2,221 AUD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,605 AUD at Brilliant Earth · As of October 29, 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG538257796 or 538257796. Listed at 18 retailers as of October 27, 2026, with prices from $384 to $2,605, a $2,221 spread on the same certified stone. Brilliant Earth lists it at $2,605. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.62
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538257796
Dimensions8.11 × 5.93 × 4.09 mm
L/W Ratio1.37
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
8.11 mm5.93 mm1.62 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG538257796
Side View
Table 63.0%Crown 39.1°Girdle: Slightly ThickPavilion 35.8°Culet: NoneDepth 69.0%

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 27
Current: $2,605 AUD|Low: $369 AUD|High: $2,690 AUD|Avg: $1,015 AUD|-3.2%
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
October 29, 2026
Retailer 12$384 AUD
Retailer 3$430 AUD
Retailer 8$475 AUD
Retailer 13$475 AUD
Retailer 14$686 AUD
Retailer 7$705 AUD
Retailer 6$762 AUD
Retailer 10$780 AUD
Retailer 2$836 AUD
Retailer 5$962 AUD
Retailer 11$1,462 AUD
Retailer 4$1,532 AUD
Retailer 9$1,909 AUD
Brilliant Earth$2,605 AUD

42 data points across 14 retailers

18 retailers$384 AUD to $2,605 AUD

A
Retailer 1
-
$384 AUD
$270 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$384 AUD
$270 USD
View
A
Retailer 3
-
$430 AUD
$302 USD
View
Final sale: no returns
A
Retailer 4
-
$446 AUD
$313 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$470 AUD
$330 USD
View
Price last confirmed 34 days ago
A
Retailer 6
-
$475 AUD
$334 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
$475 AUD
$334 USD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$686 AUD
$482 USD
View
B+
Retailer 9
-
$705 AUD
$495 USD
View
B+
Retailer 10
-
$762 AUD
$535 USD
View
B+
Retailer 11
-
$780 AUD
€522 EUR
View
B+
Retailer 12
-
$836 AUD
£462 GBP
View
B
Retailer 13
-
$962 AUD
$676 USD
View
B
Retailer 14
-
$1,462 AUD
$1,027 USD
View
B
Retailer 15
-
$1,530 AUD
$1,075 USD
View
Price last confirmed 13 days ago
B
Retailer 16
-
$1,532 AUD
SGD 1,454 SGD
View
Price last confirmed 16 days ago
B
Retailer 17
-
$1,909 AUD
£1,056 GBP
View
Most Expensive
B
Brilliant Earth
20748313A · Oct 29
$2,605 AUD
$1,830 USD
View
17 more retailers have this diamond
Prices start from $384 AUDSave up to $2,221 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
$384 AUD