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Radiant|Lab Grown|IGI

1.50ct F SI1 Radiant Lab Grown Diamond

VG • F/SI1 • IGI LG825665219

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

Certificate IGI LG825665219

Diamond specifications and retailer prices

From $285 AUD
As of November 6, 2026
Save $1,363 AUD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,649 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.5ct lab-grown radiant diamond

This 1.5ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG825665219 or 825665219. Listed at 16 retailers as of November 5, 2026, with prices from $285 to $1,649, a $1,363 spread on the same certified stone. MOH London lists it at $1,649. 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

1.50
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle26.9°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825665219
Dimensions8.09 × 5.53 × 3.88 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.09 mm5.53 mm1.50 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825665219
Side View
Table 64.0%Crown 26.9°Girdle: MediumPavilion 38°Culet: NoneDepth 70.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,649 AUD|Low: $274 AUD|High: $1,673 AUD|Avg: $829 AUD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 8$285 AUD
Retailer 10$354 AUD
Retailer 5$450 AUD
Retailer 4$589 AUD
Retailer 3$617 AUD
Retailer 2$637 AUD
Retailer 7$920 AUD
Retailer 6$1,048 AUD
Retailer 11$1,137 AUD
Retailer 9$1,455 AUD
MOH London$1,649 AUD

40 data points across 11 retailers

16 retailers$285 AUD to $1,649 AUD

A
Cheapest Retailer
-
$285 AUD
A
Retailer 2
-
$319 AUD
View
Final sale: no returns
A
Retailer 3
-
$330 AUD
View
Retailer 4
-
$354 AUD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$354 AUD
View
A
Retailer 6
-
$450 AUD
View
A
Retailer 7
-
$589 AUD
View
B+
Retailer 8
-
$617 AUD
View
A
Retailer 9
-
$637 AUD
View
B+
Retailer 10
-
$664 AUD
View
B+
Retailer 11
-
$920 AUD
View
B+
Retailer 12
-
$1,048 AUD
View
B
Retailer 13
-
$1,137 AUD
View
B
Retailer 14
-
$1,150 AUD
View
B
Retailer 15
-
$1,455 AUD
View
Most Expensive
B
MOH London
LG825665219 · Nov 5
$1,649 AUD
£892 GBP
View
15 more retailers have this diamond
Prices start from $285 AUDSave up to $1,363 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
1.50ct Radiant
$285 AUD