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Radiant|Lab Grown|IGI

0.31ct D IF Radiant Lab Grown Diamond

GD • D/IF • IGI LG657416911

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

Certificate IGI LG657416911

Diamond specifications and retailer prices

From $198 CAD
$142 USD
As of October 30, 2026
Save $1,079 CAD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,277 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.31ct lab-grown radiant diamond

This 0.31ct lab-grown radiant sits in the sub-half-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG657416911 or 657416911. Listed at 18 retailers as of October 29, 2026, with prices from $198 to $1,277, a $1,079 spread on the same certified stone. MOH London lists it at $1,277. 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

0.31
Carat
D
Color
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle47.5°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG657416911
Dimensions4.81 × 3.23 × 2.39 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.81 mm3.23 mm0.31 ctD / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG657416911
Side View
Table 60.0%Crown 47.5°Girdle: MediumPavilion 38.5°Culet: NoneDepth 74.0%

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: Oct 30
Current: $1,277 CAD|Low: $222 CAD|High: $1,284 CAD|Avg: $541 CAD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 11$222 CAD
Retailer 9$246 CAD
Retailer 8$366 CAD
Retailer 7$419 CAD
Retailer 6$459 CAD
Retailer 4$476 CAD
Retailer 5$491 CAD
Retailer 3$524 CAD
Retailer 2$532 CAD
Retailer 10$873 CAD
MOH London$1,277 CAD

43 data points across 11 retailers

18 retailers$198 CAD to $1,277 CAD

A
Cheapest Retailer
-
$198 CAD
$142 USD
A
Retailer 2
-
$222 CAD
$159 USD
View
Final sale: no returns
B+
Retailer 3
-
$246 CAD
$176 USD
View
B+
Retailer 4
-
$246 CAD
$176 USD
View
B+
Retailer 5
-
$366 CAD
$262 USD
View
B+
Retailer 6
-
$419 CAD
$300 USD
View
Retailer 7
-
$459 CAD
€313 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$476 CAD
£268 GBP
View
B+
Retailer 9
-
$491 CAD
ZAR 5,676 ZAR
View
B
Retailer 10
-
$524 CAD
$375 USD
View
B
Retailer 11
-
$532 CAD
£300 GBP
View
B
Retailer 12
-
$644 CAD
£363 GBP
View
B
Retailer 13
-
$721 CAD
View
B
Retailer 14
-
$851 CAD
$609 USD
View
B
Retailer 15
-
$873 CAD
$625 USD
View
C
Retailer 16
-
$1,116 CAD
$799 USD
View
C
Retailer 17
-
$1,116 CAD
$799 USD
View
Most Expensive
B
MOH London
LG657416911 · Oct 29
$1,277 CAD
£720 GBP
View
17 more retailers have this diamond
Prices start from $198 CADSave up to $1,079 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
0.31ct Radiant
$198 CAD