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Radiant|Lab Grown|IGI

3.17ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG728561176

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

Certificate IGI LG728561176

Diamond specifications and retailer prices

From $1,418 CAD
$1,013 USD
As of October 27, 2026
Save $10,927 CAD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $12,344 CAD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.17ct lab-grown radiant diamond

This 3.17ct 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 LG728561176 or 728561176. Listed at 18 retailers as of October 27, 2026, with prices from $1,418 to $12,344, a $10,927 spread on the same certified stone. Do Amore Diamonds lists it at $12,344. 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

3.17
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle33.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728561176
Dimensions10.25 × 7.18 × 4.84 mm
L/W Ratio1.43
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
10.25 mm7.18 mm3.17 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728561176
Side View
Table 66.0%Crown 44.3°Girdle: Slightly ThickPavilion 33.3°Culet: NoneDepth 67.4%

Caratlytics Score

How it works →
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 27
Current: $12,344 CAD|Low: $1,394 CAD|High: $14,906 CAD|Avg: $5,228 CAD|-17.2%
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
Retailer 16
Retailer 17
October 30, 2026
Retailer 12$1,418 CAD
Retailer 17$1,542 CAD
Retailer 6$1,854 CAD
Retailer 14$1,895 CAD
Retailer 9$1,951 CAD
Retailer 13$2,624 CAD
Retailer 5$2,955 CAD
Retailer 11$3,335 CAD
Retailer 2$3,398 CAD
Retailer 15$3,437 CAD
Retailer 3$4,182 CAD
Retailer 10$4,600 CAD
Retailer 16$5,841 CAD
Retailer 4$7,691 CAD
Retailer 7$9,887 CAD
Retailer 8$12,051 CAD
Do Amore Diamonds$12,344 CAD

31 data points across 17 retailers

18 retailers$1,418 CAD to $12,344 CAD

A+
Cheapest Retailer
-
$1,418 CAD
$1,013 USD
A
Retailer 2
-
$1,542 CAD
$1,102 USD
View
A
Retailer 3
-
$1,854 CAD
$1,325 USD
View
A
Retailer 4
-
$1,895 CAD
$1,354 USD
View
A
Retailer 5
-
$1,951 CAD
$1,394 USD
View
Final sale: no returns
A
Retailer 6
-
$2,624 CAD
$1,875 USD
View
A
Retailer 7
-
$2,955 CAD
€2,011 EUR
View
A
Retailer 8
-
$3,335 CAD
$2,383 USD
View
A
Retailer 9
-
$3,398 CAD
$2,428 USD
View
A
Retailer 10
-
$3,437 CAD
$2,456 USD
View
Retailer 11
-
$4,182 CAD
A$4,597 AUD
View
Price last confirmed 8 days ago
A
Retailer 12
-
$4,600 CAD
$3,287 USD
View
B+
Retailer 13
-
$5,841 CAD
£3,286 GBP
View
Retailer 14
-
$7,691 CAD
$5,495 USD
View
Price last confirmed 11 days ago
Retailer 15
-
$9,887 CAD
A$10,868 AUD
View
Price last confirmed 21 days ago
Retailer 16
-
$10,142 CAD
$7,247 USD
View
B
Retailer 17
-
$12,051 CAD
$8,610 USD
View
Most Expensive
B
Do Amore Diamonds
27-A3CD23EF5 · Oct 30
$12,344 CAD
$8,820 USD
View
17 more retailers have this diamond
Prices start from $1,418 CADSave up to $10,927 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+
3.17ct Radiant
$1,418 CAD