Radiant|Lab Grown|IGI

3.17ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG579395078

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

Certificate IGI LG579395078

Diamond specifications and retailer prices

From $4,963 CAD
$3,553 USD
As of October 30, 2026
Save $12,778 CAD (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $17,741 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 3.17ct lab-grown radiant diamond

This 3.17ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG579395078 or 579395078. Listed at 10 retailers as of October 30, 2026, with prices from $4,963 to $17,741, a $12,778 spread on the same certified stone. Taylor and Hart lists it at $17,741. 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
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.5°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579395078
Dimensions8.07 × 8.04 × 5.31 mm
L/W Ratio1.00
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
8.07 mm8.04 mm3.17 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579395078
Side View
Table 62.0%Crown 49.5°Girdle: MED-STKPavilion 31.6°Culet: NoneDepth 66.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,611 CAD|Low: $4,819 CAD|High: $18,891 CAD|Avg: $9,508 CAD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
October 30, 2026
Retailer 10$4,963 CAD
Retailer 9$5,083 CAD
Retailer 8$5,301 CAD
Retailer 1$5,611 CAD
Retailer 3$6,878 CAD
Retailer 6$7,278 CAD
Retailer 11$8,792 CAD
Retailer 4$11,800 CAD
Retailer 7$12,675 CAD
Retailer 5$12,952 CAD
Retailer 2$14,430 CAD
Taylor and Hart$17,741 CAD

36 data points across 12 retailers

10 retailers$4,963 CAD to $17,741 CAD

B+
Cheapest Retailer
-
$4,963 CAD
$3,553 USD
Retailer 2
-
$5,083 CAD
$3,639 USD
View
Price last confirmed 20 days ago
B+
Retailer 3
-
$5,301 CAD
$3,795 USD
View
B+
Retailer 4
-
$5,611 CAD
£3,163 GBP
View
B+
Retailer 5
-
$7,278 CAD
$5,210 USD
View
B
Retailer 6
-
$8,792 CAD
£4,956 GBP
View
B
Retailer 7
-
$11,800 CAD
ZAR 136,465 ZAR
View
B
Retailer 8
-
$12,675 CAD
$9,074 USD
View
B
Retailer 9
-
$12,952 CAD
£7,301 GBP
View
Most Expensive
B
Taylor and Hart
IEJVIMC · Oct 30
$17,741 CAD
$12,701 USD
View
9 more retailers have this diamond
Prices start from $4,963 CADSave up to $12,778 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.

B+
3.17ct Radiant
$4,963 CAD