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Radiant|Lab Grown|IGI

1.54ct E SI1 Radiant Lab Grown Diamond

VG • E/SI1 • IGI LG487108836

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

Certificate IGI LG487108836

Diamond specifications and retailer prices

From $179 USD
As of October 27, 2026
Save $2,047 USD (92%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,226 USD at B2C Jewels · As of October 29, 2026
View at B2C Jewels

About this 1.54ct lab-grown radiant diamond

This 1.54ct 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 LG487108836 or 487108836. Listed at 10 retailers as of October 27, 2026, with prices from $179 to $2,226, a $2,047 spread on the same certified stone. B2C Jewels lists it at $2,226. 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

1.54
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47°
Pavilion angle31.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487108836
Dimensions7.24 × 5.66 × 4.03 mm
L/W Ratio1.28
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
7.24 mm5.66 mm1.54 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487108836
Side View
Table 66.0%Crown 47°Girdle: Slightly ThickPavilion 31.1°Culet: NoneDepth 71.2%

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: $2,226 USD|Low: $142 USD|High: $2,226 USD|Avg: $780 USD|+4.8%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 7$179 USD
Retailer 11$201 USD
Retailer 10$208 USD
Retailer 5$316 USD
Retailer 9$393 USD
Retailer 3$488 USD
Retailer 6$754 USD
Retailer 4$768 USD
Retailer 8$788 USD
Retailer 2$1,153 USD
Retailer 12$1,720 USD
B2C Jewels$2,226 USD

37 data points across 12 retailers

10 retailers$179 USD to $2,226 USD

A
Cheapest Retailer
-
$179 USD
A
Retailer 2
-
$201 USD
View
Final sale: no returns
A
Retailer 3
-
$208 USD
View
A
Retailer 4
-
$316 USD
£249 GBP
View
B+
Retailer 5
-
$393 USD
View
B
Retailer 6
-
$754 USD
View
B
Retailer 7
-
$788 USD
View
B
Retailer 8
-
$1,153 USD
£908 GBP
View
B
Retailer 9
-
$1,720 USD
View
Most Expensive
C
B2C Jewels
20038741 · Oct 29
$2,226 USD
View
9 more retailers have this diamond
Prices start from $179 USDSave up to $2,047 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
1.54ct Radiant
$179 USD