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Radiant|Lab Grown|IGI

1.27ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG840634757

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

Certificate IGI LG840634757

Diamond specifications and retailer prices

From $269 CAD
$192 USD
As of October 27, 2026
Save $2,516 CAD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,785 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.27ct lab-grown radiant diamond

This 1.27ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840634757 or 840634757. Listed at 21 retailers as of October 27, 2026, with prices from $269 to $2,785, a $2,516 spread on the same certified stone. Brilliant Earth lists it at $2,785. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle47.3°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634757
Dimensions7.85 × 5.32 × 3.55 mm
L/W Ratio1.48
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
7.85 mm5.32 mm1.27 ctE / IF
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634757
Side View
Table 63.0%Crown 47.3°Girdle: MediumPavilion 35.6°Culet: NoneDepth 66.7%

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 27
Current: $2,785 CAD|Low: $269 CAD|High: $2,785 CAD|Avg: $1,012 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
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Retailer 19
Retailer 20
Retailer 21
October 29, 2026
Retailer 11$269 CAD
Retailer 6$301 CAD
Retailer 16$311 CAD
Retailer 4$333 CAD
Retailer 10$333 CAD
Retailer 9$353 CAD
Retailer 15$571 CAD
Retailer 3$581 CAD
Retailer 2$603 CAD
Retailer 20$614 CAD
Retailer 5$680 CAD
Retailer 17$1,069 CAD
Retailer 18$1,072 CAD
Retailer 14$1,144 CAD
Retailer 21$1,169 CAD
Retailer 8$1,188 CAD
Retailer 12$1,246 CAD
Retailer 13$1,562 CAD
Retailer 19$2,155 CAD
Retailer 7$2,756 CAD
Brilliant Earth$2,785 CAD

14 data points across 21 retailers

21 retailers$269 CAD to $2,785 CAD

A
Cheapest Retailer
-
$269 CAD
$192 USD
A
Retailer 2
-
$301 CAD
$215 USD
View
Final sale: no returns
A
Retailer 3
-
$311 CAD
$222 USD
View
A
Retailer 4
-
$333 CAD
$238 USD
View
A
Retailer 5
-
$333 CAD
$238 USD
View
Retailer 6
-
$353 CAD
£199 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
$571 CAD
ZAR 6,588 ZAR
View
A
Retailer 8
-
$581 CAD
$415 USD
View
A
Retailer 9
-
$603 CAD
£339 GBP
View
A
Retailer 10
-
$614 CAD
€418 EUR
View
A
Retailer 11
-
$680 CAD
$486 USD
View
B+
Retailer 12
-
$1,069 CAD
$764 USD
View
B+
Retailer 13
-
$1,072 CAD
$766 USD
View
B+
Retailer 14
-
$1,144 CAD
$817 USD
View
B+
Retailer 15
-
$1,169 CAD
$835 USD
View
B+
Retailer 16
-
$1,188 CAD
SGD 1,147 SGD
View
B+
Retailer 17
-
$1,246 CAD
$890 USD
View
B+
Retailer 18
-
$1,562 CAD
£879 GBP
View
Retailer 19
-
$2,155 CAD
$1,540 USD
View
Price last confirmed 8 days ago
B
Retailer 20
-
$2,756 CAD
$1,969 USD
View
Most Expensive
B
Brilliant Earth
22143126A · Oct 29
$2,785 CAD
$1,990 USD
View
20 more retailers have this diamond
Prices start from $269 CADSave up to $2,516 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
1.27ct Radiant
$269 CAD