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Cushion|Lab Grown|IGI

3.12ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG537238304

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG537238304

Diamond specifications and retailer prices

From $1,222 CAD
As of November 6, 2026
Save $5,656 CAD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,878 CAD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 3.12ct lab-grown cushion diamond

This 3.12ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG537238304 or 537238304. Listed at 12 retailers as of November 6, 2026, with prices from $1,222 to $6,878, a $5,656 spread on the same certified stone. Do Amore Diamonds lists it at $6,878. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.12
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG537238304
Dimensions8.32 × 8.23 × 5.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.32 mm8.23 mm3.12 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG537238304
Side View
Table 63.5%Crown 35.5°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 70.0%

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: Nov 6
Current: $6,878 CAD|Low: $949 CAD|High: $6,878 CAD|Avg: $2,481 CAD|+29.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 9$1,222 CAD
Retailer 7$1,224 CAD
Retailer 2$1,288 CAD
Retailer 10$1,460 CAD
Retailer 11$1,481 CAD
Retailer 5$1,642 CAD
Retailer 3$2,175 CAD
Retailer 8$2,792 CAD
Retailer 12$3,588 CAD
Retailer 4$3,616 CAD
Retailer 6$4,586 CAD
Do Amore Diamonds$6,878 CAD

36 data points across 12 retailers

12 retailers$1,222 CAD to $6,878 CAD

A
Cheapest Retailer
-
$1,222 CAD
A
Retailer 2
-
$1,224 CAD
View
A
Retailer 3
-
$1,288 CAD
View
A
Retailer 4
-
$1,460 CAD
View
B+
Retailer 5
-
$1,481 CAD
View
B+
Retailer 6
-
$1,642 CAD
View
B+
Retailer 7
-
$2,175 CAD
View
B+
Retailer 8
-
$2,792 CAD
View
B
Retailer 9
-
$3,588 CAD
View
B
Retailer 10
-
$3,616 CAD
View
B
Retailer 11
-
$4,586 CAD
View
Most Expensive
B
Do Amore Diamonds
27-18523B7C3 · Nov 6
$6,878 CAD
$4,890 USD
View
11 more retailers have this diamond
Prices start from $1,222 CADSave up to $5,656 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 Cushion
$1,222 CAD