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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 $202 AUD
$142 USD
As of October 30, 2026
Save $1,100 AUD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,302 AUD 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 $202 to $1,302, a $1,100 spread on the same certified stone. MOH London lists it at $1,302. 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: $1,302 AUD|Low: $194 AUD|High: $1,309 AUD|Avg: $509 AUD|+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$202 AUD
Retailer 4$226 AUD
Retailer 3$251 AUD
Retailer 12$251 AUD
Retailer 11$373 AUD
Retailer 10$427 AUD
Retailer 8$468 AUD
Retailer 2$481 AUD
Retailer 7$500 AUD
Retailer 5$534 AUD
Retailer 6$542 AUD
Retailer 13$890 AUD
MOH London$1,302 AUD

44 data points across 13 retailers

18 retailers$202 AUD to $1,302 AUD

A
Cheapest Retailer
-
$202 AUD
$142 USD
A
Retailer 2
-
$226 AUD
$159 USD
View
Final sale: no returns
B+
Retailer 3
-
$251 AUD
$176 USD
View
B+
Retailer 4
-
$251 AUD
$176 USD
View
B+
Retailer 5
-
$373 AUD
$262 USD
View
B+
Retailer 6
-
$427 AUD
$300 USD
View
Retailer 7
-
$468 AUD
€313 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$481 AUD
£266 GBP
View
B+
Retailer 9
-
$500 AUD
ZAR 5,676 ZAR
View
B
Retailer 10
-
$534 AUD
$375 USD
View
B
Retailer 11
-
$542 AUD
£300 GBP
View
B
Retailer 12
-
$656 AUD
£363 GBP
View
B
Retailer 13
-
$735 AUD
CA$717 CAD
View
B
Retailer 14
-
$867 AUD
$609 USD
View
B
Retailer 15
-
$890 AUD
$625 USD
View
C
Retailer 16
-
$1,138 AUD
$799 USD
View
C
Retailer 17
-
$1,138 AUD
$799 USD
View
Most Expensive
B
MOH London
LG657416911 · Oct 29
$1,302 AUD
£720 GBP
View
17 more retailers have this diamond
Prices start from $202 AUDSave up to $1,100 AUD

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
$202 AUD