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Radiant|Lab Grown|IGI

1.53ct D SI1 Radiant Lab Grown Diamond

GD • D/SI1 • IGI LG496117921

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

Certificate IGI LG496117921

Diamond specifications and retailer prices

From $217 CAD
$155 USD
As of October 27, 2026
Save $1,204 CAD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,421 CAD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG496117921 or 496117921. Listed at 16 retailers as of October 27, 2026, with prices from $217 to $1,421, a $1,204 spread on the same certified stone. Rare Carat lists it at $1,421. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.53
Carat
D
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle29°
OriginLab Grown
Grading LabIGI
CertificateIGI LG496117921
Dimensions7.64 × 5.62 × 3.86 mm
L/W Ratio1.36
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
7.64 mm5.62 mm1.53 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG496117921
Side View
Table 62.5%Crown 40°Girdle: MED-STKPavilion 29°Culet: NoneDepth 68.7%

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 27
Current: $1,421 CAD|Low: $209 CAD|High: $1,609 CAD|Avg: $676 CAD|-11.7%
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
Retailer 15
Retailer 16
Retailer 17
October 28, 2026
Retailer 15$217 CAD
Retailer 13$252 CAD
Retailer 14$269 CAD
Retailer 17$269 CAD
Retailer 7$297 CAD
Retailer 10$469 CAD
Retailer 2$486 CAD
Retailer 3$491 CAD
Retailer 6$682 CAD
Retailer 5$743 CAD
Retailer 9$860 CAD
Retailer 16$865 CAD
Retailer 4$882 CAD
Retailer 12$914 CAD
Retailer 8$942 CAD
Retailer 11$1,260 CAD
Rare Carat$1,421 CAD

40 data points across 17 retailers

16 retailers$217 CAD to $1,421 CAD

A
Cheapest Retailer
-
$217 CAD
$155 USD
A
Retailer 2
-
$252 CAD
$180 USD
View
A
Retailer 3
-
$269 CAD
$192 USD
View
A
Retailer 4
-
$269 CAD
$192 USD
View
Retailer 5
-
$297 CAD
£167 GBP
View
Price last confirmed 48 days ago
B+
Retailer 6
-
$469 CAD
£264 GBP
View
B+
Retailer 7
-
$486 CAD
£274 GBP
View
B
Retailer 8
-
$491 CAD
$351 USD
View
B+
Retailer 9
-
$682 CAD
$487 USD
View
B+
Retailer 10
-
$743 CAD
$531 USD
View
B
Retailer 11
-
$860 CAD
HK$4,800 HKD
View
B
Retailer 12
-
$865 CAD
$618 USD
View
B
Retailer 13
-
$914 CAD
$653 USD
View
B
Retailer 14
-
$942 CAD
$673 USD
View
B
Retailer 15
-
$1,260 CAD
£709 GBP
View
Most Expensive
B
Rare Carat
496117921_l_496117921 · Oct 28
$1,421 CAD
$1,015 USD
View
15 more retailers have this diamond
Prices start from $217 CADSave up to $1,204 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
$217 CAD