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Cushion|Lab Grown|IGI

3.10ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG784645072

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG784645072

Diamond specifications and retailer prices

From $2,799 CAD
$2,000 USD
As of October 29, 2026
Save $15,578 CAD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $18,377 CAD at Brilliant Earth · As of October 28, 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 LG784645072 or 784645072. Listed at 10 retailers as of October 28, 2026, with prices from $2,799 to $18,377, a $15,578 spread on the same certified stone. Brilliant Earth lists it at $18,377. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645072
Dimensions9.83 × 7.55 × 5.34 mm
L/W Ratio1.30
Girdle conditionFaceted
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
9.83 mm7.55 mm3.10 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645072
Side View
Table 64.0%Crown 36.6°Girdle: STK-THKPavilion 38°Culet: NoneDepth 70.7%

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: $18,377 CAD|Low: $2,785 CAD|High: $27,446 CAD|Avg: $8,884 CAD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 7$2,799 CAD
Retailer 5$2,813 CAD
Retailer 8$3,488 CAD
Retailer 6$4,154 CAD
Retailer 10$4,784 CAD
Retailer 2$4,794 CAD
Retailer 3$8,192 CAD
Retailer 9$9,048 CAD
Retailer 4$15,326 CAD
Brilliant Earth$18,377 CAD

28 data points across 10 retailers

10 retailers$2,799 CAD to $18,377 CAD

A+
Cheapest Retailer
-
$2,799 CAD
$2,000 USD
A
Retailer 2
-
$2,813 CAD
$2,010 USD
View
A
Retailer 3
-
$3,488 CAD
$2,492 USD
View
A
Retailer 4
-
$4,154 CAD
$2,968 USD
View
A
Retailer 5
-
$4,784 CAD
$3,418 USD
View
Final sale: no returns
A
Retailer 6
-
$4,794 CAD
€3,262 EUR
View
B+
Retailer 7
-
$8,192 CAD
£4,609 GBP
View
B+
Retailer 8
-
$9,048 CAD
$6,465 USD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$15,326 CAD
$10,950 USD
View
Most Expensive
B
Brilliant Earth
19065506Y · Oct 28
$18,377 CAD
$13,130 USD
View
9 more retailers have this diamond
Prices start from $2,799 CADSave up to $15,578 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
$2,799 CAD