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Radiant|Lab Grown|IGI

3.12ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG605367011

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG605367011

Diamond specifications and retailer prices

From €3,324 EUR
$3,714 USD
As of October 30, 2026
Save €10,298 EUR (76%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €13,622 EUR at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.12ct lab-grown radiant diamond

This 3.12ct 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 and certified by IGI LG605367011 or 605367011. Listed at 22 retailers as of October 30, 2026, with prices from €3,324 to €13,622, a €10,298 spread on the same certified stone. Taylor and Hart lists it at €13,622. 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

3.12
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.4°
Pavilion angle30.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605367011
Dimensions10.05 × 7.10 × 4.87 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.05 mm7.10 mm3.12 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605367011
Side View
Table 65.0%Crown 46.4°Girdle: MED-STKPavilion 30.6°Culet: NoneDepth 68.6%

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: €4,258 EUR|Low: €3,192 EUR|High: €11,229 EUR|Avg: €6,168 EUR|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 16€3,324 EUR
Retailer 7€3,723 EUR
Retailer 4€3,857 EUR
Retailer 5€3,992 EUR
Retailer 1€4,258 EUR
Retailer 15€4,651 EUR
Retailer 6€4,819 EUR
Retailer 9€5,044 EUR
Retailer 12€5,575 EUR
Retailer 13€6,486 EUR
Retailer 2€6,991 EUR
Retailer 11€8,305 EUR
Retailer 14€8,824 EUR
Retailer 10€8,954 EUR
Retailer 3€9,710 EUR
Retailer 8€11,229 EUR

34 data points across 16 retailers

22 retailers€3,324 EUR to €13,622 EUR

A
Cheapest Retailer
-
€3,324 EUR
$3,714 USD
B+
Retailer 2
-
€3,596 EUR
$4,018 USD
View
B+
Retailer 3
-
€3,617 EUR
$4,041 USD
View
B+
Retailer 4
-
€3,706 EUR
$4,140 USD
View
B+
Retailer 5
-
€3,723 EUR
$4,159 USD
View
Final sale: no returns
B+
Retailer 6
-
€3,857 EUR
$4,309 USD
View
Retailer 7
-
€3,857 EUR
$4,309 USD
View
Price last confirmed 17 days ago
B+
Retailer 8
-
€3,992 EUR
$4,460 USD
View
B+
Retailer 9
-
€4,258 EUR
£3,745 GBP
View
B+
Retailer 10
-
€4,651 EUR
$5,196 USD
View
B+
Retailer 11
-
€4,819 EUR
$5,384 USD
View
B+
Retailer 12
-
€5,044 EUR
£4,437 GBP
View
B+
Retailer 13
-
€5,575 EUR
$6,228 USD
View
B
Retailer 14
-
€5,920 EUR
£5,208 GBP
View
Retailer 15
-
€6,486 EUR
View
Price last confirmed 7 days ago
B
Retailer 16
-
€6,991 EUR
$7,810 USD
View
B
Retailer 17
-
€8,305 EUR
£7,306 GBP
View
Retailer 18
-
€8,824 EUR
A$15,167 AUD
View
Price last confirmed 7 days ago
B
Retailer 19
-
€8,954 EUR
ZAR 161,603 ZAR
View
B
Retailer 20
-
€9,710 EUR
$10,848 USD
View
B
Retailer 21
-
€11,229 EUR
$12,546 USD
View
Most Expensive
B
Taylor and Hart
ES467IL · Oct 30
€13,622 EUR
$15,219 USD
View
21 more retailers have this diamond
Prices start from €3,324 EURSave up to €10,298 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
3.12ct Radiant
€3,324 EUR