Radiant|Lab Grown|IGI

3.18ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG732516320

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

Certificate IGI LG732516320

Diamond specifications and retailer prices

From $1,394 CAD
$996 USD
As of October 30, 2026
Save $10,978 CAD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $12,372 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 LG732516320 or 732516320. Listed at 18 retailers as of October 30, 2026, with prices from $1,394 to $12,372, a $10,978 spread on the same certified stone. Do Amore Diamonds lists it at $12,372. 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 angle45.1°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732516320
Dimensions10.24 × 7.30 × 4.82 mm
L/W Ratio1.40
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
10.24 mm7.30 mm3.18 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732516320
Side View
Table 65.0%Crown 45.1°Girdle: STK-THKPavilion 33.6°Culet: NoneDepth 66.0%

Caratlytics Score

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A+
Exceptional
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: $12,372 CAD|Low: $1,394 CAD|High: $14,948 CAD|Avg: $5,320 CAD|-17.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
October 30, 2026
Retailer 2$1,394 CAD
Retailer 17$1,548 CAD
Retailer 6$1,861 CAD
Retailer 15$1,901 CAD
Retailer 9$1,957 CAD
Retailer 14$2,634 CAD
Retailer 3$2,966 CAD
Retailer 13$3,345 CAD
Retailer 10$3,418 CAD
Retailer 16$3,447 CAD
Retailer 4$4,195 CAD
Retailer 12$4,613 CAD
Retailer 11$6,084 CAD
Retailer 5$7,712 CAD
Retailer 7$9,917 CAD
Retailer 8$12,079 CAD
Do Amore Diamonds$12,372 CAD

33 data points across 17 retailers

18 retailers$1,394 CAD to $12,372 CAD

A+
Cheapest Retailer
-
$1,394 CAD
$996 USD
A
Retailer 2
-
$1,548 CAD
$1,106 USD
View
A
Retailer 3
-
$1,861 CAD
$1,330 USD
View
A
Retailer 4
-
$1,901 CAD
$1,358 USD
View
A
Retailer 5
-
$1,957 CAD
$1,398 USD
View
Final sale: no returns
A
Retailer 6
-
$2,634 CAD
$1,882 USD
View
A
Retailer 7
-
$2,966 CAD
€2,018 EUR
View
A
Retailer 8
-
$3,345 CAD
$2,390 USD
View
A
Retailer 9
-
$3,418 CAD
$2,442 USD
View
A
Retailer 10
-
$3,447 CAD
$2,463 USD
View
Retailer 11
-
$4,195 CAD
A$4,611 AUD
View
Price last confirmed 8 days ago
A
Retailer 12
-
$4,613 CAD
$3,296 USD
View
B+
Retailer 13
-
$6,084 CAD
£3,423 GBP
View
Retailer 14
-
$7,712 CAD
$5,510 USD
View
Price last confirmed 11 days ago
Retailer 15
-
$9,917 CAD
A$10,901 AUD
View
Price last confirmed 21 days ago
Retailer 16
-
$10,142 CAD
$7,247 USD
View
B
Retailer 17
-
$12,079 CAD
$8,630 USD
View
Most Expensive
B
Do Amore Diamonds
27-E6BF10FE9 · Oct 30
$12,372 CAD
$8,840 USD
View
17 more retailers have this diamond
Prices start from $1,394 CADSave up to $10,978 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
$1,394 CAD