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 $2,493 USD
As of October 27, 2026
Save $5,641 USD (69%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,134 USD 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 $2,493 to $8,134, a $5,641 spread on the same certified stone. MOH London lists it at $8,134. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $8,134 USD|Low: $1,993 USD|High: $11,113 USD|Avg: $4,904 USD|+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$2,493 USD
Retailer 6$2,713 USD
Retailer 7$2,792 USD
Retailer 4$2,892 USD
Retailer 5$4,388 USD
Retailer 8$5,502 USD
Retailer 2$7,413 USD
Retailer 9$7,790 USD
MOH London$8,134 USD

17 data points across 9 retailers

9 retailers$2,493 USD to $8,134 USD

A
Cheapest Retailer
-
$2,493 USD
A
Retailer 2
-
$2,713 USD
View
A
Retailer 3
-
$2,792 USD
View
Final sale: no returns
A
Retailer 4
-
$2,892 USD
View
B+
Retailer 5
-
$4,388 USD
View
B+
Retailer 6
-
$5,502 USD
£4,332 GBP
View
B+
Retailer 7
-
$7,413 USD
ZAR 119,761 ZAR
View
B
Retailer 8
-
$7,429 USD
View
Most Expensive
B
MOH London
1509312512 · Oct 29
$8,134 USD
£6,405 GBP
View
8 more retailers have this diamond
Prices start from $2,493 USDSave up to $5,641 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
3.11ct Radiant
$2,493 USD