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Radiant|Lab Grown|IGI

1.00ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG786681221

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

Certificate IGI LG786681221

Diamond specifications and retailer prices

From $193 CAD
As of November 6, 2026
Save $1,794 CAD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,986 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1ct lab-grown radiant diamond

This 1ct 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 LG786681221 or 786681221. Listed at 13 retailers as of November 5, 2026, with prices from $193 to $1,986, a $1,794 spread on the same certified stone. MOH London lists it at $1,986. 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

1.00
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786681221
Dimensions7.51 × 4.85 × 3.16 mm
L/W Ratio1.55
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.51 mm4.85 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786681221
Side View
Table 65.0%Crown 37.5°Girdle: STK-THKPavilion 33.8°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 6
Current: $1,986 CAD|Low: $183 CAD|High: $2,003 CAD|Avg: $594 CAD|+0.9%
MOH London
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
November 6, 2026
Retailer 13$193 CAD
Retailer 9$224 CAD
Retailer 4$239 CAD
Retailer 5$241 CAD
Retailer 2$401 CAD
Retailer 11$437 CAD
Retailer 6$440 CAD
Retailer 14$446 CAD
Retailer 3$453 CAD
Retailer 12$584 CAD
Retailer 7$612 CAD
Retailer 8$767 CAD
Retailer 10$810 CAD
MOH London$1,986 CAD

45 data points across 14 retailers

13 retailers$193 CAD to $1,986 CAD

A
Cheapest Retailer
-
$193 CAD
A
Retailer 2
-
$224 CAD
View
A
Retailer 3
-
$239 CAD
View
Retailer 4
-
$241 CAD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$401 CAD
View
A
Retailer 6
-
$437 CAD
View
A
Retailer 7
-
$446 CAD
View
A
Retailer 8
-
$453 CAD
View
B+
Retailer 9
-
$584 CAD
View
B+
Retailer 10
-
$612 CAD
View
B+
Retailer 11
-
$767 CAD
View
B
Retailer 12
-
$810 CAD
View
Most Expensive
B
MOH London
LG786681221 · Nov 5
$1,986 CAD
£1,112 GBP
View
12 more retailers have this diamond
Prices start from $193 CADSave up to $1,794 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
1.00ct Radiant
$193 CAD