Radiant|Lab Grown|IGI

1.21ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG651411202

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

Certificate IGI LG651411202

Diamond specifications and retailer prices

From $279 CAD
$200 USD
As of October 30, 2026
Save $2,843 CAD (91%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,122 CAD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG651411202 or 651411202. Listed at 25 retailers as of October 27, 2026, with prices from $279 to $3,122, a $2,843 spread on the same certified stone. Queensmith lists it at $3,122. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651411202
Dimensions7.90 × 5.43 × 3.49 mm
L/W Ratio1.45
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
7.90 mm5.43 mm1.21 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651411202
Side View
Table 62.0%Crown 38.1°Girdle: MediumPavilion 35.5°Culet: NoneDepth 64.3%

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: Oct 30
Current: $406 CAD|Low: $279 CAD|High: $2,682 CAD|Avg: $1,015 CAD|-0.2%
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Retailer 23
October 30, 2026
Retailer 23$279 CAD
Retailer 10$313 CAD
Retailer 20$325 CAD
Retailer 5$348 CAD
Retailer 11$348 CAD
Retailer 1$406 CAD
Retailer 8$495 CAD
Retailer 14$536 CAD
Retailer 18$658 CAD
Retailer 3$689 CAD
Retailer 12$713 CAD
Retailer 22$844 CAD
Retailer 19$937 CAD
Retailer 4$1,120 CAD
Retailer 2$1,232 CAD
Retailer 15$1,472 CAD
Retailer 9$1,490 CAD
Retailer 13$1,527 CAD
Retailer 17$1,543 CAD
Retailer 7$1,670 CAD
Retailer 21$2,039 CAD
Retailer 16$2,640 CAD
Retailer 6$2,682 CAD

36 data points across 23 retailers

25 retailers$279 CAD to $3,122 CAD

A
Cheapest Retailer
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$279 CAD
$200 USD
A
Retailer 2
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$313 CAD
$224 USD
View
Final sale: no returns
A
Retailer 3
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$325 CAD
$233 USD
View
A
Retailer 4
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$348 CAD
$249 USD
View
A
Retailer 5
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$348 CAD
$249 USD
View
A
Retailer 6
-
$406 CAD
£229 GBP
View
B+
Retailer 7
-
$495 CAD
$354 USD
View
A
Retailer 8
-
$536 CAD
HK$3,000 HKD
View
A
Retailer 9
-
$658 CAD
ZAR 7,614 ZAR
View
A
Retailer 10
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$689 CAD
$493 USD
View
A
Retailer 11
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$713 CAD
£402 GBP
View
A
Retailer 12
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$844 CAD
$604 USD
View
A
Retailer 13
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$937 CAD
A$1,032 AUD
View
B+
Retailer 14
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$1,120 CAD
$802 USD
View
B+
Retailer 15
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$1,232 CAD
$882 USD
View
B+
Retailer 16
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$1,472 CAD
$1,054 USD
View
B+
Retailer 17
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$1,490 CAD
£840 GBP
View
B+
Retailer 18
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$1,527 CAD
SGD 1,477 SGD
View
B+
Retailer 19
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$1,543 CAD
£870 GBP
View
B
Retailer 20
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$1,670 CAD
$1,195 USD
View
Retailer 21
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$2,039 CAD
$1,460 USD
View
Price last confirmed 9 days ago
Retailer 22
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$2,053 CAD
$1,470 USD
View
Price last confirmed 16 days ago
B
Retailer 23
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$2,640 CAD
$1,890 USD
View
B
Retailer 24
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$2,682 CAD
$1,920 USD
View
Most Expensive
B
Queensmith
LG651411202 · Oct 27
$3,122 CAD
£1,760 GBP
View
24 more retailers have this diamond
Prices start from $279 CADSave up to $2,843 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 Radiant
$279 CAD