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Cushion|Lab Grown|IGI

4.12ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG602314691

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG602314691

Diamond specifications and retailer prices

From $971 CAD
$695 USD
As of November 2, 2026
Save $3,513 CAD (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,484 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.12ct lab-grown cushion diamond

This 4.12ct 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 LG602314691 or 602314691. Listed at 9 retailers as of October 31, 2026, with prices from $971 to $4,484, a $3,513 spread on the same certified stone. Brilliant Earth lists it at $4,484. 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

4.12
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602314691
Dimensions10.79 × 8.58 × 5.73 mm
L/W Ratio1.26
Girdle conditionFaceted
Culet sizePointed
Top View
10.79 mm8.58 mm4.12 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602314691
Side View
Table 66.0%Crown 31.1°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $4,484 CAD|Low: $667 CAD|High: $8,465 CAD|Avg: $2,076 CAD|-47.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7$667 CAD
Retailer 4$971 CAD
Retailer 9$1,207 CAD
Retailer 3$1,250 CAD
Retailer 2$1,262 CAD
Retailer 8$1,352 CAD
Retailer 6$1,647 CAD
Retailer 5$2,842 CAD
Brilliant Earth$4,484 CAD

35 data points across 9 retailers

9 retailers$971 CAD to $4,484 CAD

Retailer 1
-
$667 CAD
£376 GBP
Price last confirmed 15 days ago
A
Retailer 2
-
$971 CAD
$695 USD
View
B+
Retailer 3
-
$1,207 CAD
$864 USD
View
A
Retailer 4
-
$1,250 CAD
€852 EUR
View
A
Retailer 5
-
$1,262 CAD
£711 GBP
View
A
Retailer 6
-
$1,352 CAD
$968 USD
View
A
Retailer 7
-
$1,647 CAD
$1,179 USD
View
B+
Retailer 8
-
$2,842 CAD
£1,602 GBP
View
Most Expensive
B
Brilliant Earth
8384918A · Oct 31
$4,484 CAD
$3,210 USD
View
8 more retailers have this diamond
Prices start from $971 CADSave up to $3,513 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
4.12ct Cushion
$971 CAD