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Radiant|Lab Grown|IGI

1.39ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG825659912

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

Certificate IGI LG825659912

Diamond specifications and retailer prices

From $495 CAD
$354 USD
As of October 30, 2026
Save $3,305 CAD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,372 CAD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.39ct lab-grown radiant diamond

This 1.39ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825659912 or 825659912. Listed at 19 retailers as of October 30, 2026, with a 668% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.39
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825659912
Dimensions7.66 × 5.58 × 3.89 mm
L/W Ratio1.37
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
7.66 mm5.58 mm1.39 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825659912
Side View
Table 61.0%Crown 40.9°Girdle: MediumPavilion 38.3°Culet: NoneDepth 69.7%

Caratlytics Score

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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: $4,372 CAD|Low: $461 CAD|High: $5,783 CAD|Avg: $1,777 CAD|-1.4%
Rare Carat
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
October 30, 2026
Retailer 10$495 CAD
Retailer 3$733 CAD
Retailer 12$844 CAD
Retailer 9$885 CAD
Retailer 7$911 CAD
Retailer 4$955 CAD
Retailer 14$1,394 CAD
Retailer 11$1,583 CAD
Retailer 5$1,612 CAD
Retailer 13$1,722 CAD
Retailer 6$1,901 CAD
Retailer 8$2,074 CAD
Retailer 2$3,800 CAD
Rare Carat$4,372 CAD

30 data points across 14 retailers

19 retailers$495 CAD to $3,800 CAD

A
Cheapest Retailer
-
$495 CAD
$354 USD
Final sale: no returns
Retailer 2
-
$550 CAD
$394 USD
View
Price last confirmed 28 days ago
Retailer 3
-
$643 CAD
$460 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$711 CAD
$509 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$733 CAD
$525 USD
View
A
Retailer 6
-
$844 CAD
$604 USD
View
A
Retailer 7
-
$885 CAD
ZAR 10,234 ZAR
View
A
Retailer 8
-
$911 CAD
£514 GBP
View
A
Retailer 9
-
$955 CAD
€651 EUR
View
B+
Retailer 10
-
$1,394 CAD
$998 USD
View
B+
Retailer 11
-
$1,583 CAD
$1,133 USD
View
B+
Retailer 12
-
$1,612 CAD
$1,154 USD
View
B+
Retailer 13
-
$1,722 CAD
$1,233 USD
View
B+
Retailer 14
-
$1,901 CAD
SGD 1,839 SGD
View
B+
Retailer 15
-
$2,074 CAD
£1,169 GBP
View
Retailer 16
-
$2,285 CAD
$1,636 USD
View
Price last confirmed 29 days ago
B
Retailer 17
-
$3,800 CAD
$2,720 USD
View
Retailer 18
-
$4,365 CAD
$3,125 USD
View
Price last confirmed 9 days ago
Most Expensive
Rare Carat
5111-U_l_800678839 · Oct 21
$4,372 CAD
$3,130 USD
View
Price last confirmed 9 days ago
18 more retailers have this diamond
Prices start from $495 CADSave up to $3,305 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
1.39ct Radiant
$495 CAD