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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 $270 USD
As of October 27, 2026
Save $1,560 USD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,830 USD at Brilliant Earth · As of October 28, 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 $270 to $1,830, a $1,560 spread on the same certified stone. Brilliant Earth lists it at $1,830. 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
Color
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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Price History

Last verified: Oct 27
Current: $1,830 USD|Low: $259 USD|High: $1,890 USD|Avg: $713 USD|-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 28, 2026
Retailer 12$270 USD
Retailer 3$302 USD
Retailer 8$334 USD
Retailer 13$334 USD
Retailer 14$482 USD
Retailer 7$495 USD
Retailer 6$535 USD
Retailer 10$548 USD
Retailer 2$584 USD
Retailer 5$676 USD
Retailer 11$1,027 USD
Retailer 4$1,076 USD
Retailer 9$1,341 USD
Brilliant Earth$1,830 USD

41 data points across 14 retailers

18 retailers$270 USD to $1,830 USD

A
Retailer 1
-
$270 USD
Price last confirmed 12 days ago
A
Retailer 2
-
$270 USD
View
A
Retailer 3
-
$302 USD
View
Final sale: no returns
A
Retailer 4
-
$313 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$330 USD
View
Price last confirmed 34 days ago
A
Retailer 6
-
$334 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
$334 USD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$482 USD
View
B+
Retailer 9
-
$495 USD
View
B+
Retailer 10
-
$535 USD
View
B+
Retailer 11
-
$548 USD
€522 EUR
View
B+
Retailer 12
-
$584 USD
£460 GBP
View
B
Retailer 13
-
$676 USD
View
B
Retailer 14
-
$1,027 USD
View
B
Retailer 15
-
$1,075 USD
View
Price last confirmed 12 days ago
B
Retailer 16
-
$1,076 USD
SGD 1,454 SGD
View
Price last confirmed 16 days ago
B
Retailer 17
-
$1,341 USD
£1,056 GBP
View
Most Expensive
B
Brilliant Earth
20748313A · Oct 28
$1,830 USD
View
17 more retailers have this diamond
Prices start from $270 USDSave up to $1,560 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
$270 USD