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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 $318 NZD
$179 USD
As of October 27, 2026
Save $3,632 NZD (92%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,950 NZD at B2C Jewels · As of October 30, 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 $318 to $3,950, a $3,632 spread on the same certified stone. B2C Jewels lists it at $3,950. 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

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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: $3,950 NZD|Low: $252 NZD|High: $3,950 NZD|Avg: $1,384 NZD|+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$318 NZD
Retailer 11$357 NZD
Retailer 10$369 NZD
Retailer 5$560 NZD
Retailer 9$697 NZD
Retailer 3$866 NZD
Retailer 6$1,338 NZD
Retailer 4$1,362 NZD
Retailer 8$1,398 NZD
Retailer 2$2,046 NZD
Retailer 12$3,052 NZD
B2C Jewels$3,950 NZD

37 data points across 12 retailers

10 retailers$318 NZD to $3,950 NZD

A
Cheapest Retailer
-
$318 NZD
$179 USD
A
Retailer 2
-
$357 NZD
$201 USD
View
Final sale: no returns
A
Retailer 3
-
$369 NZD
$208 USD
View
A
Retailer 4
-
$560 NZD
£249 GBP
View
B+
Retailer 5
-
$697 NZD
$393 USD
View
B
Retailer 6
-
$1,338 NZD
$754 USD
View
B
Retailer 7
-
$1,398 NZD
$788 USD
View
B
Retailer 8
-
$2,046 NZD
£908 GBP
View
B
Retailer 9
-
$3,052 NZD
$1,720 USD
View
Most Expensive
C
B2C Jewels
20038741 · Oct 30
$3,950 NZD
$2,226 USD
View
9 more retailers have this diamond
Prices start from $318 NZDSave up to $3,632 NZD

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
$318 NZD