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 $354 NZD
As of November 6, 2026
Save $1,690 NZD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,044 NZD 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 $354 to $2,044, a $1,690 spread on the same certified stone. MOH London lists it at $2,044. 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: $2,044 NZD|Low: $339 NZD|High: $2,073 NZD|Avg: $1,027 NZD|-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$354 NZD
Retailer 10$438 NZD
Retailer 5$557 NZD
Retailer 4$731 NZD
Retailer 3$765 NZD
Retailer 2$790 NZD
Retailer 7$1,140 NZD
Retailer 6$1,299 NZD
Retailer 11$1,409 NZD
Retailer 9$1,804 NZD
MOH London$2,044 NZD

40 data points across 11 retailers

16 retailers$354 NZD to $2,044 NZD

A
Cheapest Retailer
-
$354 NZD
A
Retailer 2
-
$395 NZD
View
Final sale: no returns
A
Retailer 3
-
$409 NZD
View
Retailer 4
-
$438 NZD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$438 NZD
View
A
Retailer 6
-
$557 NZD
View
A
Retailer 7
-
$731 NZD
View
B+
Retailer 8
-
$765 NZD
View
A
Retailer 9
-
$790 NZD
View
B+
Retailer 10
-
$823 NZD
View
B+
Retailer 11
-
$1,140 NZD
View
B+
Retailer 12
-
$1,299 NZD
View
B
Retailer 13
-
$1,409 NZD
View
B
Retailer 14
-
$1,425 NZD
View
B
Retailer 15
-
$1,804 NZD
View
Most Expensive
B
MOH London
LG825665219 · Nov 5
$2,044 NZD
£892 GBP
View
15 more retailers have this diamond
Prices start from $354 NZDSave up to $1,690 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
1.50ct Radiant
$354 NZD