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 $142 USD
As of October 27, 2026
Save $772 USD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $914 USD 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 27, 2026, with prices from $142 to $914, a $772 spread on the same certified stone. MOH London lists it at $914. 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 27
Current: $914 USD|Low: $159 USD|High: $919 USD|Avg: $400 USD|+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
October 29, 2026
Retailer 12$159 USD
Retailer 10$176 USD
Retailer 9$262 USD
Retailer 8$300 USD
Retailer 7$329 USD
Retailer 2$340 USD
Retailer 6$351 USD
Retailer 3$375 USD
Retailer 5$380 USD
Retailer 4$516 USD
Retailer 11$625 USD
MOH London$914 USD

42 data points across 12 retailers

18 retailers$142 USD to $914 USD

A
Cheapest Retailer
-
$142 USD
A
Retailer 2
-
$159 USD
View
Final sale: no returns
B+
Retailer 3
-
$176 USD
View
B+
Retailer 4
-
$176 USD
View
B+
Retailer 5
-
$262 USD
View
B+
Retailer 6
-
$300 USD
View
B+
Retailer 7
-
$329 USD
€313 EUR
View
B+
Retailer 8
-
$340 USD
£268 GBP
View
B+
Retailer 9
-
$351 USD
ZAR 5,676 ZAR
View
B
Retailer 10
-
$375 USD
View
B
Retailer 11
-
$380 USD
£299 GBP
View
B
Retailer 12
-
$461 USD
£363 GBP
View
B
Retailer 13
-
$516 USD
CA$717 CAD
View
B
Retailer 14
-
$609 USD
View
B
Retailer 15
-
$625 USD
View
C
Retailer 16
-
$799 USD
View
C
Retailer 17
-
$799 USD
View
Most Expensive
B
MOH London
LG657416911 · Oct 29
$914 USD
£720 GBP
View
17 more retailers have this diamond
Prices start from $142 USDSave up to $772 USD

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
$142 USD