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Round|Lab Grown|IGI

1.27ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG769654085

Shape and cutting style on the report: Round brilliant

Certificate IGI LG769654085

Diamond specifications and retailer prices

From $282 CAD
As of November 5, 2026
Save $1,395 CAD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,677 CAD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.27ct lab-grown round diamond

This 1.27ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG769654085 or 769654085. Listed at 22 retailers as of November 4, 2026, with prices from $282 to $1,677, a $1,395 spread on the same certified stone. Reve Diamonds lists it at $1,677. 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

1.27
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769654085
Dimensions6.99 × 6.95 × 4.26 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
6.99 mm6.95 mm1.27 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769654085
Side View
Table 59.0%Crown 35.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.1%

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 5
Current: $635 CAD|Low: $281 CAD|High: $1,677 CAD|Avg: $754 CAD|+4.1%
Retailer 1
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
Retailer 15
Retailer 16
Reve Diamonds
November 6, 2026
Retailer 7$282 CAD
Retailer 15$314 CAD
Retailer 16$328 CAD
Retailer 3$351 CAD
Retailer 4$351 CAD
Retailer 5$608 CAD
Retailer 1$635 CAD
Retailer 12$666 CAD
Retailer 9$677 CAD
Retailer 2$696 CAD
Retailer 14$733 CAD
Retailer 10$866 CAD
Retailer 8$1,126 CAD
Retailer 11$1,130 CAD
Retailer 6$1,200 CAD
Retailer 13$1,637 CAD
Reve Diamonds$1,677 CAD

33 data points across 17 retailers

22 retailers$282 CAD to $1,677 CAD

A
Cheapest Retailer
-
$282 CAD
A
Retailer 2
-
$314 CAD
View
Final sale: no returns
A
Retailer 3
-
$328 CAD
View
A
Retailer 4
-
$351 CAD
View
Retailer 5
-
$351 CAD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$580 CAD
View
B+
Retailer 7
-
$608 CAD
View
B+
Retailer 8
-
$635 CAD
View
B+
Retailer 9
-
$666 CAD
View
B+
Retailer 10
-
$677 CAD
View
Retailer 11
-
$683 CAD
View
Price last confirmed 95 days ago
B+
Retailer 12
-
$696 CAD
View
B+
Retailer 13
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$733 CAD
View
B+
Retailer 14
-
$866 CAD
View
B+
Retailer 15
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$866 CAD
View
B
Retailer 16
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$961 CAD
View
Retailer 17
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$1,117 CAD
View
Price last confirmed 46 days ago
B
Retailer 18
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$1,126 CAD
View
B
Retailer 19
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$1,130 CAD
View
B
Retailer 20
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$1,200 CAD
View
B
Retailer 21
-
$1,637 CAD
View
Most Expensive
B
Reve Diamonds
219DAB444 · Nov 4
$1,677 CAD
$1,201 USD
View
21 more retailers have this diamond
Prices start from $282 CADSave up to $1,395 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 Round
$282 CAD