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 $5,198 CAD
$3,714 USD
As of October 27, 2026
Save $16,102 CAD (76%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $21,300 CAD at Taylor and Hart · As of October 27, 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 27, 2026, with prices from $5,198 to $21,300, a $16,102 spread on the same certified stone. Taylor and Hart lists it at $21,300. 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
Color
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 27
Current: $7,887 CAD|Low: $4,991 CAD|High: $17,559 CAD|Avg: $9,141 CAD|-2.6%
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
Retailer 17
Retailer 18
October 29, 2026
Retailer 18$5,198 CAD
Retailer 10$5,794 CAD
Retailer 7$5,821 CAD
Retailer 4$6,031 CAD
Retailer 9$6,031 CAD
Retailer 5$6,242 CAD
Retailer 12$6,676 CAD
Retailer 17$7,272 CAD
Retailer 6$7,535 CAD
Retailer 1$7,887 CAD
Retailer 13$8,717 CAD
Retailer 15$10,142 CAD
Retailer 2$10,931 CAD
Retailer 11$12,986 CAD
Retailer 16$13,798 CAD
Retailer 14$13,946 CAD
Retailer 3$15,183 CAD
Retailer 8$17,559 CAD

35 data points across 18 retailers

22 retailers$5,198 CAD to $21,300 CAD

A
Cheapest Retailer
-
$5,198 CAD
$3,714 USD
B+
Retailer 2
-
$5,624 CAD
$4,018 USD
View
B+
Retailer 3
-
$5,656 CAD
$4,041 USD
View
B+
Retailer 4
-
$5,794 CAD
$4,140 USD
View
B+
Retailer 5
-
$5,821 CAD
$4,159 USD
View
Final sale: no returns
B+
Retailer 6
-
$6,031 CAD
$4,309 USD
View
B+
Retailer 7
-
$6,031 CAD
$4,309 USD
View
Price last confirmed 16 days ago
B+
Retailer 8
-
$6,242 CAD
$4,460 USD
View
B+
Retailer 9
-
$6,676 CAD
£3,756 GBP
View
B+
Retailer 10
-
$7,272 CAD
$5,196 USD
View
B+
Retailer 11
-
$7,535 CAD
$5,384 USD
View
B+
Retailer 12
-
$7,887 CAD
£4,437 GBP
View
B+
Retailer 13
-
$8,717 CAD
$6,228 USD
View
B
Retailer 14
-
$9,257 CAD
£5,208 GBP
View
B+
Retailer 15
-
$10,142 CAD
€6,901 EUR
View
B
Retailer 16
-
$10,931 CAD
$7,810 USD
View
B
Retailer 17
-
$12,986 CAD
£7,306 GBP
View
B
Retailer 18
-
$13,798 CAD
A$15,167 AUD
View
Price last confirmed 7 days ago
B
Retailer 19
-
$13,946 CAD
ZAR 160,969 ZAR
View
B
Retailer 20
-
$15,183 CAD
$10,848 USD
View
B
Retailer 21
-
$17,559 CAD
$12,546 USD
View
Most Expensive
B
Taylor and Hart
ES467IL · Oct 27
$21,300 CAD
$15,219 USD
View
21 more retailers have this diamond
Prices start from $5,198 CADSave up to $16,102 CAD

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
$5,198 CAD