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Radiant|Lab Grown|IGI

3.12ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG828684106

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

Certificate IGI LG828684106

Diamond specifications and retailer prices

From $1,373 CAD
$981 USD
As of October 29, 2026
Save $4,187 CAD (75%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,735 CAD at Novita Diamonds · As of October 5, 2026
View at Novita Diamonds

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 LG828684106 or 828684106. Listed at 17 retailers as of October 29, 2026, with a 305% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle42.2°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828684106
Dimensions11.02 × 7.00 × 4.66 mm
L/W Ratio1.57
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.02 mm7.00 mm3.12 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828684106
Side View
Table 65.0%Crown 42.2°Girdle: MED-STKPavilion 33.9°Culet: NoneDepth 66.6%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: $2,168 CAD|Low: $1,373 CAD|High: $5,739 CAD|Avg: $3,262 CAD|-5.8%
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
October 29, 2026
Retailer 12$1,373 CAD
Retailer 9$1,565 CAD
Retailer 2$1,722 CAD
Retailer 13$2,036 CAD
Retailer 4$2,163 CAD
Retailer 1$2,168 CAD
Retailer 5$3,180 CAD
Retailer 6$3,242 CAD
Retailer 7$3,283 CAD
Retailer 14$4,286 CAD
Retailer 3$4,934 CAD
Retailer 11$5,109 CAD
Retailer 8$5,329 CAD
Retailer 10$5,560 CAD

17 data points across 14 retailers

17 retailers$1,373 CAD to $5,560 CAD

A+
Cheapest Retailer
-
$1,373 CAD
$981 USD
Final sale: no returns
A
Retailer 2
-
$1,565 CAD
£881 GBP
View
A
Retailer 3
-
$1,722 CAD
$1,230 USD
View
A
Retailer 4
-
$2,036 CAD
$1,455 USD
View
A
Retailer 5
-
$2,163 CAD
€1,472 EUR
View
A
Retailer 6
-
$2,168 CAD
£1,220 GBP
View
A
Retailer 7
-
$3,180 CAD
$2,272 USD
View
A
Retailer 8
-
$3,242 CAD
A$3,564 AUD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$3,283 CAD
ZAR 37,897 ZAR
View
A
Retailer 10
-
$3,989 CAD
£2,244 GBP
View
Price last confirmed 37 days ago
A
Retailer 11
-
$4,286 CAD
$3,062 USD
View
B+
Retailer 12
-
$4,614 CAD
$3,297 USD
View
B+
Retailer 13
-
$4,934 CAD
$3,525 USD
View
B+
Retailer 14
-
$5,109 CAD
$3,650 USD
View
B+
Retailer 15
-
$5,329 CAD
£2,998 GBP
View
B+
Retailer 16
-
$5,560 CAD
SGD 5,368 SGD
View
Most Expensive
B+
Novita Diamonds
cert_828684106 · Oct 5
$6,735 CAD
A$7,403 AUD
View
Price last confirmed 24 days ago
16 more retailers have this diamond
Prices start from $1,373 CADSave up to $4,187 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
$1,373 CAD