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Round|Lab Grown|IGI

1.27ct D VS1 Round Lab Grown Diamond

EX • D/VS1 • IGI LG818678012

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818678012

Diamond specifications and retailer prices

From $272 CAD
As of November 5, 2026
Save $1,371 CAD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,927 CAD at Queensmith · As of October 27, 2026
View at Queensmith

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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818678012 or 818678012. Listed at 23 retailers as of November 4, 2026, with a 504% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818678012
Dimensions7.02 × 6.98 × 4.17 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.02 mm6.98 mm1.27 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818678012
Side View
Table 63.0%Crown 34.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.5%

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: Nov 5
Current: $608 CAD|Low: $261 CAD|High: $1,596 CAD|Avg: $660 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
November 5, 2026
Retailer 12$272 CAD
Retailer 11$303 CAD
Retailer 4$338 CAD
Retailer 3$454 CAD
Retailer 6$571 CAD
Retailer 10$582 CAD
Retailer 1$608 CAD
Retailer 8$621 CAD
Retailer 2$747 CAD
Retailer 9$821 CAD
Retailer 7$1,088 CAD
Retailer 5$1,573 CAD

42 data points across 12 retailers

23 retailers$272 CAD to $1,644 CAD

A
Cheapest Retailer
-
$272 CAD
A
Retailer 2
-
$303 CAD
View
Final sale: no returns
A
Retailer 3
-
$316 CAD
View
Retailer 4
-
$338 CAD
View
Price last confirmed 11 days ago
A
Retailer 5
-
$338 CAD
View
A
Retailer 6
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$374 CAD
View
B+
Retailer 7
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$454 CAD
View
A
Retailer 8
-
$571 CAD
View
A
Retailer 9
-
$582 CAD
View
A
Retailer 10
-
$596 CAD
View
B+
Retailer 11
-
$608 CAD
View
B+
Retailer 12
-
$621 CAD
View
Retailer 13
-
$747 CAD
View
Price last confirmed 17 days ago
B+
Retailer 14
-
$821 CAD
View
B+
Retailer 15
-
$877 CAD
View
B
Retailer 16
-
$1,085 CAD
View
B
Retailer 17
-
$1,088 CAD
View
B
Retailer 18
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$1,096 CAD
View
B
Retailer 19
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$1,138 CAD
View
B
Retailer 20
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$1,159 CAD
View
B
Retailer 21
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$1,573 CAD
View
B
Retailer 22
-
$1,644 CAD
View
Most Expensive
Queensmith
LG818678012 · Oct 27
$2,927 CAD
£1,650 GBP
View
Price under review
22 more retailers have this diamond
Prices start from $272 CADSave up to $1,371 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
$272 CAD