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 €2,231 EUR
$2,493 USD
As of October 30, 2026
Save €5,050 EUR (69%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €7,281 EUR 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 29, 2026, with prices from €2,231 to €7,281, a €5,050 spread on the same certified stone. MOH London lists it at €7,281. 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 30
Current: €7,281 EUR|Low: €1,784 EUR|High: €9,947 EUR|Avg: €4,389 EUR|+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€2,231 EUR
Retailer 6€2,428 EUR
Retailer 7€2,499 EUR
Retailer 4€2,589 EUR
Retailer 5€3,928 EUR
Retailer 8€4,924 EUR
Retailer 2€6,635 EUR
Retailer 9€6,973 EUR
MOH London€7,281 EUR

17 data points across 9 retailers

9 retailers€2,231 EUR to €7,281 EUR

A
Cheapest Retailer
-
€2,231 EUR
$2,493 USD
A
Retailer 2
-
€2,428 EUR
$2,713 USD
View
A
Retailer 3
-
€2,499 EUR
$2,792 USD
View
Final sale: no returns
A
Retailer 4
-
€2,589 EUR
$2,892 USD
View
B+
Retailer 5
-
€3,928 EUR
$4,388 USD
View
B+
Retailer 6
-
€4,924 EUR
£4,332 GBP
View
B+
Retailer 7
-
€6,635 EUR
ZAR 119,761 ZAR
View
B
Retailer 8
-
€6,649 EUR
$7,429 USD
View
Most Expensive
B
MOH London
1509312512 · Oct 29
€7,281 EUR
£6,405 GBP
View
8 more retailers have this diamond
Prices start from €2,231 EURSave up to €5,050 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
3.11ct Radiant
€2,231 EUR