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Radiant|Lab Grown|IGI

1.59ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG604312858

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

Certificate IGI LG604312858

Diamond specifications and retailer prices

From $381 CAD
$272 USD
As of October 27, 2026
Save $3,790 CAD (91%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $4,171 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.59ct lab-grown radiant diamond

This 1.59ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG604312858 or 604312858. Listed at 31 retailers as of October 27, 2026, with prices from $381 to $4,171, a $3,790 spread on the same certified stone. Brilliant Earth lists it at $4,171. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG604312858
Dimensions8.30 × 5.95 × 3.89 mm
L/W Ratio1.39
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
8.30 mm5.95 mm1.59 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG604312858
Side View
Table 64.0%Crown 39.5°Girdle: MediumPavilion 35.4°Culet: NoneDepth 65.4%

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 27
Current: $4,171 CAD|Low: $381 CAD|High: $4,171 CAD|Avg: $1,526 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 17
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Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 29, 2026
Retailer 4$381 CAD
Retailer 17$453 CAD
Retailer 22$693 CAD
Retailer 12$699 CAD
Retailer 5$739 CAD
Retailer 10$843 CAD
Retailer 20$854 CAD
Retailer 18$896 CAD
Retailer 2$923 CAD
Retailer 11$1,175 CAD
Retailer 6$1,213 CAD
Retailer 16$1,215 CAD
Retailer 21$1,451 CAD
Retailer 8$1,817 CAD
Retailer 14$1,906 CAD
Retailer 7$1,989 CAD
Retailer 15$2,042 CAD
Retailer 13$2,101 CAD
Retailer 3$2,142 CAD
Retailer 19$3,002 CAD
Retailer 9$3,387 CAD
Brilliant Earth$4,171 CAD

38 data points across 22 retailers

31 retailers$381 CAD to $4,171 CAD

A
Cheapest Retailer
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$381 CAD
$272 USD
A
Retailer 2
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$381 CAD
$272 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$397 CAD
$284 USD
View
Price last confirmed 29 days ago
A
Retailer 4
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$453 CAD
$324 USD
View
Final sale: no returns
A
Retailer 5
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$460 CAD
$329 USD
View
Price last confirmed 32 days ago
A
Retailer 6
-
$473 CAD
$338 USD
View
Price last confirmed 26 days ago
A
Retailer 7
-
$486 CAD
$347 USD
View
Price last confirmed 30 days ago
A
Retailer 8
-
$693 CAD
$495 USD
View
A
Retailer 9
-
$699 CAD
HK$3,900 HKD
View
A
Retailer 10
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$739 CAD
$528 USD
View
A
Retailer 11
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$843 CAD
$602 USD
View
A
Retailer 12
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$854 CAD
€581 EUR
View
A
Retailer 13
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$896 CAD
ZAR 10,343 ZAR
View
A
Retailer 14
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$923 CAD
£519 GBP
View
A
Retailer 15
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$1,175 CAD
$840 USD
View
A
Retailer 16
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$1,213 CAD
$867 USD
View
A
Retailer 17
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$1,215 CAD
A$1,336 AUD
View
A
Retailer 18
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$1,451 CAD
$1,037 USD
View
B+
Retailer 19
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$1,677 CAD
$1,198 USD
View
Price last confirmed 19 days ago
B+
Retailer 20
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$1,677 CAD
$1,198 USD
View
B+
Retailer 21
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$1,747 CAD
$1,248 USD
View
Price last confirmed 28 days ago
B+
Retailer 22
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$1,817 CAD
$1,298 USD
View
B+
Retailer 23
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$1,906 CAD
$1,362 USD
View
B+
Retailer 24
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$1,989 CAD
$1,421 USD
View
B+
Retailer 25
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$2,042 CAD
SGD 1,972 SGD
View
B+
Retailer 26
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$2,101 CAD
£1,182 GBP
View
B+
Retailer 27
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$2,142 CAD
A$2,354 AUD
View
Price last confirmed 21 days ago
B+
Retailer 28
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$3,002 CAD
$2,145 USD
View
Price last confirmed 10 days ago
B
Retailer 29
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$3,387 CAD
$2,420 USD
View
B
Retailer 30
-
$3,958 CAD
£2,227 GBP
View
Most Expensive
B
Brilliant Earth
10094170Y · Oct 29
$4,171 CAD
$2,980 USD
View
30 more retailers have this diamond
Prices start from $381 CADSave up to $3,790 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
1.59ct Radiant
$381 CAD