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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 $4,439 NZD
$2,493 USD
As of October 27, 2026
Save $10,044 NZD (69%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $14,483 NZD 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 $4,439 to $14,483, a $10,044 spread on the same certified stone. MOH London lists it at $14,483. 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: $14,483 NZD|Low: $3,549 NZD|High: $19,786 NZD|Avg: $8,731 NZD|+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$4,439 NZD
Retailer 6$4,830 NZD
Retailer 7$4,971 NZD
Retailer 4$5,149 NZD
Retailer 5$7,813 NZD
Retailer 8$9,796 NZD
Retailer 2$13,199 NZD
Retailer 9$13,870 NZD
MOH London$14,483 NZD

17 data points across 9 retailers

9 retailers$4,439 NZD to $14,483 NZD

A
Cheapest Retailer
-
$4,439 NZD
$2,493 USD
A
Retailer 2
-
$4,830 NZD
$2,713 USD
View
A
Retailer 3
-
$4,971 NZD
$2,792 USD
View
Final sale: no returns
A
Retailer 4
-
$5,149 NZD
$2,892 USD
View
B+
Retailer 5
-
$7,813 NZD
$4,388 USD
View
B+
Retailer 6
-
$9,796 NZD
£4,332 GBP
View
B+
Retailer 7
-
$13,199 NZD
ZAR 119,761 ZAR
View
B
Retailer 8
-
$13,227 NZD
$7,429 USD
View
Most Expensive
B
MOH London
1509312512 · Oct 29
$14,483 NZD
£6,405 GBP
View
8 more retailers have this diamond
Prices start from $4,439 NZDSave up to $10,044 NZD

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
$4,439 NZD