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Radiant|Lab Grown|IGI

1.01ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG519237667

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

Certificate IGI LG519237667

Diamond specifications and retailer prices

From $226 CAD
$162 USD
As of October 30, 2026
Save $1,273 CAD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,499 CAD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.01ct lab-grown radiant diamond

This 1.01ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG519237667 or 519237667. Listed at 19 retailers as of October 30, 2026, with prices from $226 to $1,499, a $1,273 spread on the same certified stone. Reve Diamonds lists it at $1,499. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.4°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519237667
Dimensions6.75 × 4.94 × 3.40 mm
L/W Ratio1.37
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
6.75 mm4.94 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG519237667
Side View
Table 67.5%Crown 46.4°Girdle: MED-STKPavilion 32.6°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
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: $254 CAD|Low: $253 CAD|High: $1,329 CAD|Avg: $645 CAD|-16.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 1$254 CAD
Retailer 6$380 CAD
Retailer 2$496 CAD
Retailer 4$524 CAD
Retailer 8$551 CAD
Retailer 9$619 CAD
Retailer 5$736 CAD
Retailer 7$1,062 CAD
Retailer 3$1,322 CAD

42 data points across 9 retailers

19 retailers$226 CAD to $1,499 CAD

A
Cheapest Retailer
-
$226 CAD
$162 USD
A
Retailer 2
-
$254 CAD
$182 USD
View
Final sale: no returns
A
Retailer 3
-
$263 CAD
$188 USD
View
A
Retailer 4
-
$281 CAD
$201 USD
View
A
Retailer 5
-
$281 CAD
$201 USD
View
A
Retailer 6
-
$322 CAD
HK$1,800 HKD
View
B+
Retailer 7
-
$380 CAD
$272 USD
View
A
Retailer 8
-
$454 CAD
$325 USD
View
A
Retailer 9
-
$496 CAD
£280 GBP
View
Retailer 10
-
$524 CAD
€357 EUR
View
Price last confirmed 7 days ago
Retailer 11
-
$551 CAD
£311 GBP
View
Price last confirmed 25 days ago
B+
Retailer 12
-
$619 CAD
$443 USD
View
B+
Retailer 13
-
$736 CAD
$527 USD
View
B
Retailer 14
-
$865 CAD
£487 GBP
View
B
Retailer 15
-
$904 CAD
$647 USD
View
B
Retailer 16
-
$980 CAD
$702 USD
View
B
Retailer 17
-
$1,062 CAD
$760 USD
View
B
Retailer 18
-
$1,322 CAD
£745 GBP
View
Most Expensive
B
Reve Diamonds
730792602 · Oct 30
$1,499 CAD
$1,073 USD
View
18 more retailers have this diamond
Prices start from $226 CADSave up to $1,273 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
1.01ct Radiant
$226 CAD