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Round|Lab Grown|IGI

1.21ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG710542823

Shape and cutting style on the report: Round brilliant

Certificate IGI LG710542823

Diamond specifications and retailer prices

From $247 CAD
$176 USD
As of October 29, 2026
Save $1,320 CAD (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,568 CAD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG710542823 or 710542823. Listed at 24 retailers as of October 28, 2026, with prices from $247 to $1,568, a $1,320 spread on the same certified stone. Reve Diamonds lists it at $1,568. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710542823
Dimensions6.85 × 6.92 × 4.16 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.85 mm6.92 mm1.21 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG710542823
Side View
Table 60.0%Crown 33.8°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $514 CAD|Low: $235 CAD|High: $1,568 CAD|Avg: $677 CAD|+0.3%
Retailer 1
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Retailer 21
Reve Diamonds
October 29, 2026
Retailer 11$247 CAD
Retailer 15$275 CAD
Retailer 20$287 CAD
Retailer 6$306 CAD
Retailer 8$306 CAD
Retailer 1$514 CAD
Retailer 17$525 CAD
Retailer 16$544 CAD
Retailer 7$545 CAD
Retailer 3$549 CAD
Retailer 12$591 CAD
Retailer 5$655 CAD
Retailer 14$683 CAD
Retailer 4$709 CAD
Retailer 18$747 CAD
Retailer 9$805 CAD
Retailer 21$955 CAD
Retailer 19$974 CAD
Retailer 13$983 CAD
Retailer 10$1,060 CAD
Retailer 2$1,438 CAD
Reve Diamonds$1,568 CAD

34 data points across 22 retailers

24 retailers$247 CAD to $1,568 CAD

A
Cheapest Retailer
-
$247 CAD
$176 USD
A
Retailer 2
-
$275 CAD
$196 USD
View
Final sale: no returns
A
Retailer 3
-
$287 CAD
$204 USD
View
A
Retailer 4
-
$306 CAD
$218 USD
View
A
Retailer 5
-
$306 CAD
$218 USD
View
A
Retailer 6
-
$514 CAD
£288 GBP
View
A
Retailer 7
-
$525 CAD
ZAR 6,043 ZAR
View
A
Retailer 8
-
$544 CAD
£305 GBP
View
A
Retailer 9
-
$545 CAD
$388 USD
View
A
Retailer 10
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$549 CAD
$391 USD
View
B+
Retailer 11
-
$591 CAD
€401 EUR
View
B+
Retailer 12
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$655 CAD
$466 USD
View
B+
Retailer 13
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$683 CAD
A$748 AUD
View
B+
Retailer 14
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$709 CAD
$505 USD
View
Price last confirmed 11 days ago
B+
Retailer 15
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$747 CAD
A$818 AUD
View
B+
Retailer 16
-
$805 CAD
$573 USD
View
B+
Retailer 17
-
$933 CAD
$664 USD
View
Price last confirmed 30 days ago
B
Retailer 18
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$955 CAD
$680 USD
View
B+
Retailer 19
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$974 CAD
A$1,067 AUD
View
B+
Retailer 20
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$983 CAD
$700 USD
View
B
Retailer 21
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$1,060 CAD
$755 USD
View
B
Retailer 22
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$1,065 CAD
$758 USD
View
B
Retailer 23
-
$1,438 CAD
£806 GBP
View
Most Expensive
B
Reve Diamonds
D5CEDB4A4 · Oct 28
$1,568 CAD
$1,116 USD
View
23 more retailers have this diamond
Prices start from $247 CADSave up to $1,320 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 Round
$247 CAD