Radiant|Lab Grown|IGI

1.53ct H IF Radiant Lab Grown Diamond

ID • H/IF • IGI LG644486939

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

Certificate IGI LG644486939

Diamond specifications and retailer prices

From $391 CAD
$280 USD
As of November 2, 2026
Save $2,669 CAD (87%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,060 CAD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.53ct lab-grown radiant diamond

This 1.53ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG644486939 or 644486939. Listed at 25 retailers as of November 1, 2026, with prices from $391 to $3,060, a $2,669 spread on the same certified stone. Brilliant Earth lists it at $3,060. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
H
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644486939
Dimensions8.41 × 5.64 × 3.68 mm
L/W Ratio1.49
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 Faint Blue
Top View
8.41 mm5.64 mm1.53 ctH / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644486939
Side View
Table 65.0%Crown 41.8°Girdle: MED-STKPavilion 32.7°Culet: NoneDepth 65.2%

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: Nov 2
Current: $3,060 CAD|Low: $362 CAD|High: $3,060 CAD|Avg: $1,153 CAD|+0.5%
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
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Retailer 16
Retailer 17
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Retailer 19
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Retailer 21
Retailer 22
November 2, 2026
Retailer 9$391 CAD
Retailer 10$442 CAD
Retailer 7$454 CAD
Retailer 4$485 CAD
Retailer 22$485 CAD
Retailer 13$526 CAD
Retailer 19$654 CAD
Retailer 21$657 CAD
Retailer 16$836 CAD
Retailer 5$851 CAD
Retailer 6$858 CAD
Retailer 18$863 CAD
Retailer 20$1,127 CAD
Retailer 2$1,490 CAD
Retailer 3$1,558 CAD
Retailer 14$1,560 CAD
Retailer 8$1,629 CAD
Retailer 15$1,853 CAD
Retailer 17$1,943 CAD
Retailer 12$2,035 CAD
Retailer 11$2,096 CAD
Brilliant Earth$3,060 CAD

28 data points across 22 retailers

25 retailers$391 CAD to $3,060 CAD

A
Cheapest Retailer
-
$391 CAD
$280 USD
A
Retailer 2
-
$442 CAD
$316 USD
View
Final sale: no returns
A
Retailer 3
-
$454 CAD
$325 USD
View
Retailer 4
-
$485 CAD
$347 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$485 CAD
$347 USD
View
A
Retailer 6
-
$526 CAD
£296 GBP
View
A
Retailer 7
-
$537 CAD
HK$3,000 HKD
View
A
Retailer 8
-
$654 CAD
$468 USD
View
A
Retailer 9
-
$657 CAD
$470 USD
View
B+
Retailer 10
-
$836 CAD
ZAR 9,664 ZAR
View
A
Retailer 11
-
$851 CAD
$609 USD
View
A
Retailer 12
-
$858 CAD
$614 USD
View
B+
Retailer 13
-
$863 CAD
€588 EUR
View
A
Retailer 14
-
$1,127 CAD
A$1,241 AUD
View
B+
Retailer 15
-
$1,490 CAD
$1,066 USD
View
B+
Retailer 16
-
$1,558 CAD
$1,115 USD
View
B+
Retailer 17
-
$1,560 CAD
SGD 1,509 SGD
View
B+
Retailer 18
-
$1,629 CAD
$1,166 USD
View
Retailer 19
-
$1,853 CAD
£1,044 GBP
View
Price last confirmed 20 days ago
B+
Retailer 20
-
$1,943 CAD
£1,095 GBP
View
Retailer 21
-
$2,035 CAD
$1,456 USD
View
Price last confirmed 19 days ago
Retailer 22
-
$2,096 CAD
$1,500 USD
View
Price last confirmed 14 days ago
Retailer 23
-
$2,133 CAD
$1,526 USD
View
Price last confirmed 63 days ago
B+
Retailer 24
-
$2,557 CAD
$1,830 USD
View
Most Expensive
B+
Brilliant Earth
19983871A · Nov 1
$3,060 CAD
$2,190 USD
View
24 more retailers have this diamond
Prices start from $391 CADSave up to $2,669 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
1.53ct Radiant
$391 CAD