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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 €127 EUR
$142 USD
As of October 30, 2026
Save €691 EUR (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €818 EUR 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 €127 to €818, a €691 spread on the same certified stone. MOH London lists it at €818. 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: €818 EUR|Low: €122 EUR|High: €823 EUR|Avg: €320 EUR|+0.4%
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
October 31, 2026
Retailer 9€127 EUR
Retailer 4€142 EUR
Retailer 3€158 EUR
Retailer 12€158 EUR
Retailer 11€235 EUR
Retailer 10€269 EUR
Retailer 8€294 EUR
Retailer 2€303 EUR
Retailer 7€314 EUR
Retailer 5€336 EUR
Retailer 6€341 EUR
Retailer 13€559 EUR
MOH London€818 EUR

44 data points across 13 retailers

18 retailers€127 EUR to €818 EUR

A
Cheapest Retailer
-
€127 EUR
$142 USD
A
Retailer 2
-
€142 EUR
$159 USD
View
Final sale: no returns
B+
Retailer 3
-
€158 EUR
$176 USD
View
B+
Retailer 4
-
€158 EUR
$176 USD
View
B+
Retailer 5
-
€235 EUR
$262 USD
View
B+
Retailer 6
-
€269 EUR
$300 USD
View
Retailer 7
-
€294 EUR
View
Price last confirmed 8 days ago
B+
Retailer 8
-
€303 EUR
£266 GBP
View
B+
Retailer 9
-
€314 EUR
ZAR 5,676 ZAR
View
B
Retailer 10
-
€336 EUR
$375 USD
View
B
Retailer 11
-
€341 EUR
£300 GBP
View
B
Retailer 12
-
€413 EUR
£363 GBP
View
B
Retailer 13
-
€462 EUR
CA$717 CAD
View
B
Retailer 14
-
€545 EUR
$609 USD
View
B
Retailer 15
-
€559 EUR
$625 USD
View
C
Retailer 16
-
€715 EUR
$799 USD
View
C
Retailer 17
-
€715 EUR
$799 USD
View
Most Expensive
B
MOH London
LG657416911 · Oct 29
€818 EUR
£720 GBP
View
17 more retailers have this diamond
Prices start from €127 EURSave up to €691 EUR

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
€127 EUR