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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 £106 GBP
$142 USD
As of October 30, 2026
Save £576 GBP (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £682 GBP 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 £106 to £682, a £576 spread on the same certified stone. MOH London lists it at £682. 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
Colour
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: £682 GBP|Low: £119 GBP|High: £686 GBP|Avg: £289 GBP|+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£119 GBP
Retailer 9£131 GBP
Retailer 8£196 GBP
Retailer 7£224 GBP
Retailer 6£245 GBP
Retailer 4£254 GBP
Retailer 5£262 GBP
Retailer 3£280 GBP
Retailer 2£284 GBP
Retailer 10£466 GBP
MOH London£682 GBP

42 data points across 11 retailers

18 retailers£106 GBP to £682 GBP

A
Cheapest Retailer
-
£106 GBP
$142 USD
A
Retailer 2
-
£119 GBP
$159 USD
View
Final sale: no returns
B+
Retailer 3
-
£131 GBP
$176 USD
View
B+
Retailer 4
-
£131 GBP
$176 USD
View
B+
Retailer 5
-
£196 GBP
$262 USD
View
B+
Retailer 6
-
£224 GBP
$300 USD
View
Retailer 7
-
£245 GBP
€313 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
£254 GBP
View
B+
Retailer 9
-
£262 GBP
ZAR 5,676 ZAR
View
B
Retailer 10
-
£280 GBP
$375 USD
View
B
Retailer 11
-
£284 GBP
View
B
Retailer 12
-
£344 GBP
View
B
Retailer 13
-
£385 GBP
CA$717 CAD
View
B
Retailer 14
-
£455 GBP
$609 USD
View
B
Retailer 15
-
£466 GBP
$625 USD
View
C
Retailer 16
-
£596 GBP
$799 USD
View
C
Retailer 17
-
£596 GBP
$799 USD
View
Most Expensive
B
MOH London
LG657416911 · Oct 29
£682 GBP
View
17 more retailers have this diamond
Prices start from £106 GBPSave up to £576 GBP

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
£106 GBP