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Radiant|Lab Grown|IGI

1.54ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG523298092

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

Certificate IGI LG523298092

Diamond specifications and retailer prices

From $369 SGD
$289 USD
As of November 1, 2026
Save $1,137 SGD (75%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,507 SGD at MOH London · As of November 1, 2026
View at MOH London

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 D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG523298092 or 523298092. Listed at 15 retailers as of November 1, 2026, with prices from $369 to $1,507, a $1,137 spread on the same certified stone. MOH London lists it at $1,507. 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
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle30.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523298092
Dimensions7.72 × 5.62 × 3.88 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
7.72 mm5.62 mm1.54 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523298092
Side View
Table 64.0%Crown 41.5°Girdle: MED-STKPavilion 30.3°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: Nov 1
Current: $1,507 SGD|Low: $303 SGD|High: $1,659 SGD|Avg: $777 SGD|-9.1%
MOH London
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
November 1, 2026
Retailer 9$303 SGD
Retailer 7$352 SGD
Retailer 6$369 SGD
Retailer 14$376 SGD
Retailer 5$409 SGD
Retailer 13$635 SGD
Retailer 8$667 SGD
Retailer 4$678 SGD
Retailer 2$705 SGD
Retailer 11$795 SGD
Retailer 10$1,209 SGD
Retailer 12$1,213 SGD
Retailer 3$1,276 SGD
MOH London$1,507 SGD

42 data points across 14 retailers

15 retailers$369 SGD to $1,507 SGD

Retailer 1
-
$303 SGD
$237 USD
Price last confirmed 13 days ago
Retailer 2
-
$352 SGD
$275 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$369 SGD
$289 USD
View
Final sale: no returns
Retailer 4
-
$376 SGD
$294 USD
View
Price last confirmed 16 days ago
Retailer 5
-
$376 SGD
$294 USD
View
Price last confirmed 13 days ago
Retailer 6
-
$404 SGD
$316 USD
View
Price last confirmed 37 days ago
B+
Retailer 7
-
$635 SGD
$497 USD
View
B+
Retailer 8
-
$667 SGD
$522 USD
View
B+
Retailer 9
-
$705 SGD
£435 GBP
View
B+
Retailer 10
-
$795 SGD
$622 USD
View
Retailer 11
-
$1,209 SGD
$946 USD
View
Price last confirmed 13 days ago
B
Retailer 12
-
$1,213 SGD
$949 USD
View
B
Retailer 13
-
$1,217 SGD
£750 GBP
View
B
Retailer 14
-
$1,276 SGD
$998 USD
View
Most Expensive
B
MOH London
LG523298092 · Nov 1
$1,507 SGD
£928 GBP
View
14 more retailers have this diamond
Prices start from $369 SGDSave up to $1,137 SGD

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
$369 SGD