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Radiant|Lab Grown|GIA

3.11ct E IF Radiant Lab Grown Diamond

ID • E/IF • GIA 1509312512

Certificate GIA 1509312512

Diamond specifications and retailer prices

From $3,549 AUD
$2,493 USD
As of October 27, 2026
Save $8,030 AUD (69%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $11,578 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 3.11ct lab-grown radiant diamond

This 3.11ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1509312512. Listed at 9 retailers as of October 27, 2026, with prices from $3,549 to $11,578, a $8,030 spread on the same certified stone. MOH London lists it at $11,578. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.11
Carat
E
Colour
IF
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1509312512
Dimensions9.81 × 7.22 × 5.04 mm
L/W Ratio1.36
Girdle conditionPolished
Cert comments
An additional inscription is present. This is a man-made diamond.
Key to symbols
Minor Details of Polish
Top View
9.81 mm7.22 mm3.11 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1509312512
Side View
Table 64.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.8%

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: $11,578 AUD|Low: $2,837 AUD|High: $15,818 AUD|Avg: $6,980 AUD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 3$3,549 AUD
Retailer 6$3,862 AUD
Retailer 7$3,974 AUD
Retailer 4$4,116 AUD
Retailer 5$6,246 AUD
Retailer 8$7,831 AUD
Retailer 2$10,552 AUD
Retailer 9$11,088 AUD
MOH London$11,578 AUD

17 data points across 9 retailers

9 retailers$3,549 AUD to $11,578 AUD

A
Cheapest Retailer
-
$3,549 AUD
$2,493 USD
A
Retailer 2
-
$3,862 AUD
$2,713 USD
View
A
Retailer 3
-
$3,974 AUD
$2,792 USD
View
Final sale: no returns
A
Retailer 4
-
$4,116 AUD
$2,892 USD
View
B+
Retailer 5
-
$6,246 AUD
$4,388 USD
View
B+
Retailer 6
-
$7,831 AUD
£4,332 GBP
View
B+
Retailer 7
-
$10,552 AUD
ZAR 119,761 ZAR
View
B
Retailer 8
-
$10,574 AUD
$7,429 USD
View
Most Expensive
B
MOH London
1509312512 · Oct 29
$11,578 AUD
£6,405 GBP
View
8 more retailers have this diamond
Prices start from $3,549 AUDSave up to $8,030 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
3.11ct Radiant
$3,549 AUD