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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 $255 AUD
$179 USD
As of October 27, 2026
Save $2,914 AUD (92%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,169 AUD 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 $255 to $3,169, a $2,914 spread on the same certified stone. B2C Jewels lists it at $3,169. 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
Colour
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

How it works →
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: $3,169 AUD|Low: $202 AUD|High: $3,169 AUD|Avg: $1,110 AUD|+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$255 AUD
Retailer 11$286 AUD
Retailer 10$296 AUD
Retailer 5$449 AUD
Retailer 9$559 AUD
Retailer 3$695 AUD
Retailer 6$1,073 AUD
Retailer 4$1,093 AUD
Retailer 8$1,122 AUD
Retailer 2$1,642 AUD
Retailer 12$2,449 AUD
B2C Jewels$3,169 AUD

37 data points across 12 retailers

10 retailers$255 AUD to $3,169 AUD

A
Cheapest Retailer
-
$255 AUD
$179 USD
A
Retailer 2
-
$286 AUD
$201 USD
View
Final sale: no returns
A
Retailer 3
-
$296 AUD
$208 USD
View
A
Retailer 4
-
$449 AUD
£249 GBP
View
B+
Retailer 5
-
$559 AUD
$393 USD
View
B
Retailer 6
-
$1,073 AUD
$754 USD
View
B
Retailer 7
-
$1,122 AUD
$788 USD
View
B
Retailer 8
-
$1,642 AUD
£908 GBP
View
B
Retailer 9
-
$2,449 AUD
$1,720 USD
View
Most Expensive
C
B2C Jewels
20038741 · Oct 29
$3,169 AUD
$2,226 USD
View
9 more retailers have this diamond
Prices start from $255 AUDSave up to $2,914 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
1.54ct Radiant
$255 AUD