Radiant|Lab Grown|IGI

1.31ct G SI2 Radiant Lab Grown Diamond

VG • G/SI2 • IGI LG514255267

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

Certificate IGI LG514255267

Diamond specifications and retailer prices

From $1,596 CAD
$1,140 USD
As of October 29, 2026
Save $202 CAD (11%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,678 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.31ct lab-grown radiant diamond

This 1.31ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG514255267 or 514255267. Listed at 4 retailers as of October 28, 2026, with a relatively tight 13% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

1.31
Carat
G
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514255267
Dimensions6.96 × 5.29 × 3.94 mm
L/W Ratio1.32
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
6.96 mm5.29 mm1.31 ctG / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514255267
Side View
Table 69.0%Crown 45.5°Girdle: STK-THKPavilion 33.5°Culet: NoneDepth 74.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $4,678 CAD|Low: $1,307 CAD|High: $4,716 CAD|Avg: $2,075 CAD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 6$1,307 CAD
Retailer 3$1,596 CAD
Retailer 2$1,769 CAD
Retailer 5$1,773 CAD
Retailer 4$1,797 CAD
MOH London$4,678 CAD

41 data points across 6 retailers

4 retailers$1,596 CAD to $1,797 CAD

B
Cheapest Retailer
-
$1,596 CAD
$1,140 USD
B
Retailer 2
-
$1,769 CAD
£995 GBP
View
B
Retailer 3
-
$1,797 CAD
$1,284 USD
View
Most Expensive
MOH London
LG514255267 · Oct 29
$4,678 CAD
£2,632 GBP
View
Price under review
3 more retailers have this diamond
Prices start from $1,596 CADSave up to $202 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.

B
1.31ct Radiant
$1,596 CAD