CaratHunter
Plans
Radiant|Lab Grown|IGI

1.51ct F SI1 Radiant Lab Grown Diamond

VG • F/SI1 • IGI LG620417160

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

Certificate IGI LG620417160

Diamond specifications and retailer prices

From $257 CAD
As of November 6, 2026
Save $1,231 CAD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,488 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown radiant diamond

This 1.51ct 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 LG620417160 or 620417160. Listed at 16 retailers as of November 5, 2026, with prices from $257 to $1,488, a $1,231 spread on the same certified stone. MOH London lists it at $1,488. 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

1.51
Carat
F
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.8°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620417160
Dimensions7.92 × 5.65 × 3.94 mm
L/W Ratio1.40
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.92 mm5.65 mm1.51 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG620417160
Side View
Table 63.0%Crown 38.8°Girdle: STK-THKPavilion 36°Culet: NoneDepth 69.7%

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: $1,488 CAD|Low: $248 CAD|High: $1,518 CAD|Avg: $747 CAD|-1.4%
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
Retailer 15
November 6, 2026
Retailer 3$257 CAD
Retailer 7$288 CAD
Retailer 10$298 CAD
Retailer 5$319 CAD
Retailer 6$324 CAD
Retailer 4$561 CAD
Retailer 8$571 CAD
Retailer 2$588 CAD
Retailer 14$643 CAD
Retailer 15$684 CAD
Retailer 9$1,027 CAD
Retailer 11$1,027 CAD
Retailer 13$1,084 CAD
Retailer 12$1,435 CAD
MOH London$1,488 CAD

44 data points across 15 retailers

16 retailers$257 CAD to $1,488 CAD

A
Cheapest Retailer
-
$257 CAD
A
Retailer 2
-
$288 CAD
View
Final sale: no returns
A
Retailer 3
-
$298 CAD
View
A
Retailer 4
-
$319 CAD
View
Retailer 5
-
$324 CAD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$561 CAD
View
B+
Retailer 7
-
$571 CAD
View
B+
Retailer 8
-
$588 CAD
View
B+
Retailer 9
-
$643 CAD
View
B+
Retailer 10
-
$684 CAD
View
B+
Retailer 11
-
$1,027 CAD
View
B
Retailer 12
-
$1,027 CAD
View
B
Retailer 13
-
$1,065 CAD
View
B
Retailer 14
-
$1,084 CAD
View
B
Retailer 15
-
$1,435 CAD
View
Most Expensive
B
MOH London
LG620417160 · Nov 5
$1,488 CAD
£833 GBP
View
15 more retailers have this diamond
Prices start from $257 CADSave up to $1,231 CAD

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
1.51ct Radiant
$257 CAD