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Cushion|Lab Grown|IGI

3.10ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG828681233

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG828681233

Diamond specifications and retailer prices

From $3,995 CAD
HK$22,300 HKD
As of October 29, 2026
Save $14,564 CAD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $18,559 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG828681233 or 828681233. Listed at 12 retailers as of October 29, 2026, with prices from $3,995 to $18,559, a $14,564 spread on the same certified stone. Brilliant Earth lists it at $18,559. 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

3.10
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828681233
Dimensions9.70 × 7.84 × 5.15 mm
L/W Ratio1.24
Girdle conditionFaceted
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
9.70 mm7.84 mm3.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828681233
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 36.7°Culet: NoneDepth 65.7%

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 29
Current: $18,559 CAD|Low: $3,995 CAD|High: $18,559 CAD|Avg: $9,373 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7$3,995 CAD
Retailer 5$4,511 CAD
Retailer 3$4,659 CAD
Retailer 12$5,167 CAD
Retailer 9$5,263 CAD
Retailer 8$7,614 CAD
Retailer 11$8,973 CAD
Retailer 4$9,235 CAD
Retailer 10$9,348 CAD
Retailer 6$11,474 CAD
Retailer 2$12,686 CAD
Brilliant Earth$18,559 CAD

20 data points across 12 retailers

12 retailers$3,995 CAD to $18,559 CAD

A
Cheapest Retailer
-
$3,995 CAD
HK$22,300 HKD
A
Retailer 2
-
$4,511 CAD
£2,538 GBP
View
A
Retailer 3
-
$4,659 CAD
$3,329 USD
View
A
Retailer 4
-
$5,167 CAD
$3,692 USD
View
A
Retailer 5
-
$5,263 CAD
€3,581 EUR
View
B+
Retailer 6
-
$7,614 CAD
ZAR 87,891 ZAR
View
B+
Retailer 7
-
$8,973 CAD
$6,411 USD
View
B+
Retailer 8
-
$9,235 CAD
$6,598 USD
View
B+
Retailer 9
-
$9,348 CAD
£5,259 GBP
View
B+
Retailer 10
-
$11,474 CAD
$8,198 USD
View
B
Retailer 11
-
$12,686 CAD
$9,064 USD
View
Most Expensive
B
Brilliant Earth
21765376A · Oct 29
$18,559 CAD
$13,260 USD
View
11 more retailers have this diamond
Prices start from $3,995 CADSave up to $14,564 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
3.10ct Cushion
$3,995 CAD