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Radiant|Lab Grown|IGI

1.03ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG492135837

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

Certificate IGI LG492135837

Diamond specifications and retailer prices

From $197 CAD
As of November 4, 2026
Save $1,688 CAD (90%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $1,885 CAD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG492135837 or 492135837. Listed at 27 retailers as of November 6, 2026, with prices from $197 to $1,885, a $1,688 spread on the same certified stone. Do Amore Diamonds lists it at $1,885. 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

1.03
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492135837
Dimensions7.35 × 4.96 × 3.33 mm
L/W Ratio1.48
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
7.35 mm4.96 mm1.03 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492135837
Side View
Table 59.5%Crown 35.3°Girdle: ThickPavilion 33.2°Culet: NoneDepth 67.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $467 CAD|Low: $197 CAD|High: $1,435 CAD|Avg: $611 CAD|+2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 9$197 CAD
Retailer 11$221 CAD
Retailer 10$383 CAD
Retailer 1$467 CAD
Retailer 7$474 CAD
Retailer 6$512 CAD
Retailer 3$547 CAD
Retailer 2$591 CAD
Retailer 8$830 CAD
Retailer 5$900 CAD
Retailer 4$1,258 CAD

44 data points across 11 retailers

27 retailers$197 CAD to $1,885 CAD

A
Cheapest Retailer
-
$197 CAD
Retailer 2
-
$197 CAD
View
Price last confirmed 30 days ago
Retailer 3
-
$197 CAD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$197 CAD
View
A
Retailer 5
-
$221 CAD
View
Final sale: no returns
Retailer 6
-
$229 CAD
View
Price last confirmed 41 days ago
Retailer 7
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$241 CAD
View
Price last confirmed 39 days ago
Retailer 8
-
$245 CAD
View
Price last confirmed 35 days ago
A
Retailer 9
-
$360 CAD
View
B+
Retailer 10
-
$383 CAD
View
A
Retailer 11
-
$414 CAD
View
A
Retailer 12
-
$467 CAD
View
A
Retailer 13
-
$474 CAD
View
A
Retailer 14
-
$512 CAD
View
B+
Retailer 15
-
$547 CAD
View
B+
Retailer 16
-
$591 CAD
View
B
Retailer 17
-
$830 CAD
View
B
Retailer 18
-
$831 CAD
View
B
Retailer 19
-
$866 CAD
View
Retailer 20
-
$866 CAD
View
Price last confirmed 28 days ago
Retailer 21
-
$866 CAD
View
Price last confirmed 38 days ago
B
Retailer 22
-
$866 CAD
View
B
Retailer 23
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$900 CAD
View
B
Retailer 24
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$1,014 CAD
View
B
Retailer 25
-
$1,111 CAD
View
B
Retailer 26
-
$1,258 CAD
View
Most Expensive
B
Do Amore Diamonds
27-085836A3E · Nov 6
$1,885 CAD
$1,340 USD
View
26 more retailers have this diamond
Prices start from $197 CADSave up to $1,688 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
1.03ct Radiant
$197 CAD