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Princess|Lab Grown|IGI

1.21ct D SI1 Princess Lab Grown Diamond

EX • D/SI1 • IGI LG726537000

Shape and cutting style on the report: Princess cut

Certificate IGI LG726537000

Diamond specifications and retailer prices

From $271 CAD
As of November 6, 2026
Save $1,370 CAD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,641 CAD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.21ct lab-grown princess diamond

This 1.21ct lab-grown princess 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 LG726537000 or 726537000. Listed at 19 retailers as of November 6, 2026, with prices from $271 to $1,641, a $1,370 spread on the same certified stone. Reve Diamonds lists it at $1,641. 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

1.21
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726537000
Dimensions5.76 × 5.74 × 4.25 mm
L/W Ratio1.00
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
5.76 mm5.74 mm1.21 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726537000
Side View
Table 69.0%Crown 46.5°Girdle: MediumPavilion 39.8°Culet: NoneDepth 74.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $606 CAD|Low: $268 CAD|High: $1,690 CAD|Avg: $803 CAD|+4.6%
Retailer 1
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Reve Diamonds
November 6, 2026
Retailer 4$271 CAD
Retailer 5$303 CAD
Retailer 13$314 CAD
Retailer 7$337 CAD
Retailer 16$337 CAD
Retailer 2$585 CAD
Retailer 1$606 CAD
Retailer 8$624 CAD
Retailer 12$641 CAD
Retailer 15$679 CAD
Retailer 14$887 CAD
Retailer 3$1,081 CAD
Retailer 9$1,084 CAD
Retailer 11$1,103 CAD
Retailer 6$1,155 CAD
Retailer 10$1,571 CAD
Reve Diamonds$1,641 CAD

45 data points across 17 retailers

19 retailers$271 CAD to $1,641 CAD

A
Cheapest Retailer
-
$271 CAD
A
Retailer 2
-
$303 CAD
View
Final sale: no returns
A
Retailer 3
-
$314 CAD
View
Retailer 4
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$330 CAD
View
Price last confirmed 45 days ago
A
Retailer 5
-
$337 CAD
View
Retailer 6
-
$337 CAD
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$585 CAD
View
B+
Retailer 8
-
$606 CAD
View
B+
Retailer 9
-
$624 CAD
View
Retailer 10
-
$641 CAD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$679 CAD
View
Retailer 12
-
$887 CAD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$916 CAD
View
B
Retailer 14
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$1,081 CAD
View
B
Retailer 15
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$1,084 CAD
View
B
Retailer 16
-
$1,103 CAD
View
B
Retailer 17
-
$1,155 CAD
View
B
Retailer 18
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$1,571 CAD
View
Most Expensive
B
Reve Diamonds
A3692AA53 · Nov 6
$1,641 CAD
$1,175 USD
View
18 more retailers have this diamond
Prices start from $271 CADSave up to $1,370 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
1.21ct Princess
$271 CAD