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Radiant|Lab Grown|IGI

3.18ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG822622999

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

Certificate IGI LG822622999

Diamond specifications and retailer prices

From $1,569 CAD
$1,121 USD
As of October 30, 2026
Save $12,371 CAD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $13,940 CAD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.18ct lab-grown radiant diamond

This 3.18ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG822622999 or 822622999. Listed at 14 retailers as of October 30, 2026, with prices from $1,569 to $13,940, a $12,371 spread on the same certified stone. Do Amore Diamonds lists it at $13,940. 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

3.18
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG822622999
Dimensions10.21 × 7.29 × 5.13 mm
L/W Ratio1.40
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
10.21 mm7.29 mm3.18 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG822622999
Side View
Table 63.0%Crown 45.2°Girdle: MED-STKPavilion 36.6°Culet: NoneDepth 70.4%

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: Oct 30
Current: $13,940 CAD|Low: $1,569 CAD|High: $17,551 CAD|Avg: $6,666 CAD|-6.7%
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
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 2$1,569 CAD
Retailer 14$1,763 CAD
Retailer 9$2,064 CAD
Retailer 12$2,985 CAD
Retailer 15$3,368 CAD
Retailer 8$3,458 CAD
Retailer 13$3,703 CAD
Retailer 11$3,766 CAD
Retailer 3$4,774 CAD
Retailer 10$6,490 CAD
Retailer 4$7,537 CAD
Retailer 7$8,417 CAD
Retailer 6$9,917 CAD
Retailer 5$11,575 CAD
Do Amore Diamonds$13,940 CAD

34 data points across 15 retailers

14 retailers$1,569 CAD to $13,940 CAD

A
Cheapest Retailer
-
$1,569 CAD
$1,121 USD
A
Retailer 2
-
$1,763 CAD
$1,260 USD
View
A
Retailer 3
-
$2,064 CAD
$1,475 USD
View
A
Retailer 4
-
$2,985 CAD
$2,133 USD
View
A
Retailer 5
-
$3,368 CAD
€2,292 EUR
View
A
Retailer 6
-
$3,458 CAD
$2,471 USD
View
A
Retailer 7
-
$3,703 CAD
$2,646 USD
View
A
Retailer 8
-
$3,766 CAD
$2,691 USD
View
Retailer 9
-
$4,774 CAD
A$5,248 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$6,490 CAD
£3,651 GBP
View
Retailer 11
-
$7,537 CAD
$5,385 USD
View
Price last confirmed 11 days ago
Retailer 12
-
$9,917 CAD
A$10,901 AUD
View
Price last confirmed 21 days ago
B
Retailer 13
-
$11,575 CAD
$8,270 USD
View
Most Expensive
B
Do Amore Diamonds
27-B6179899E · Oct 30
$13,940 CAD
$9,960 USD
View
13 more retailers have this diamond
Prices start from $1,569 CADSave up to $12,371 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
3.18ct Radiant
$1,569 CAD