Marquise|Lab Grown|IGI

1.27ct E VVS1 Marquise Lab Grown Diamond

EX • E/VVS1 • IGI LG818660603

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818660603

Diamond specifications and retailer prices

From $307 CAD
$220 USD
As of October 30, 2026
Save $1,448 CAD (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,207 CAD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.27ct lab-grown marquise diamond

This 1.27ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818660603 or 818660603. Listed at 24 retailers as of October 30, 2026, with a 471% 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
E
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818660603
Dimensions11.65 × 5.56 × 3.47 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.65 mm5.56 mm1.27 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818660603
Side View
Table 61.0%Crown 36.9°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 62.4%

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: $514 CAD|Low: $342 CAD|High: $1,755 CAD|Avg: $905 CAD
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
October 30, 2026
Retailer 4$342 CAD
Retailer 6$380 CAD
Retailer 15$468 CAD
Retailer 1$514 CAD
Retailer 9$617 CAD
Retailer 11$654 CAD
Retailer 8$706 CAD
Retailer 3$779 CAD
Retailer 12$931 CAD
Retailer 2$990 CAD
Retailer 7$1,224 CAD
Retailer 14$1,243 CAD
Retailer 10$1,438 CAD
Retailer 13$1,527 CAD
Retailer 5$1,755 CAD

43 data points across 15 retailers

24 retailers$307 CAD to $1,755 CAD

A
Cheapest Retailer
-
$307 CAD
$220 USD
A
Retailer 2
-
$342 CAD
$245 USD
View
Final sale: no returns
A
Retailer 3
-
$356 CAD
$255 USD
View
A
Retailer 4
-
$380 CAD
$272 USD
View
A
Retailer 5
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$380 CAD
$272 USD
View
Retailer 6
-
$468 CAD
£264 GBP
View
Price last confirmed 13 days ago
B+
Retailer 7
-
$514 CAD
$368 USD
View
A
Retailer 8
-
$617 CAD
€421 EUR
View
A
Retailer 9
-
$654 CAD
ZAR 7,563 ZAR
View
A
Retailer 10
-
$706 CAD
£398 GBP
View
A
Retailer 11
-
$779 CAD
A$858 AUD
View
A
Retailer 12
-
$781 CAD
$559 USD
View
B+
Retailer 13
-
$852 CAD
$610 USD
View
B+
Retailer 14
-
$931 CAD
A$1,025 AUD
View
B+
Retailer 15
-
$990 CAD
$709 USD
View
B+
Retailer 16
-
$1,224 CAD
$876 USD
View
B+
Retailer 17
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$1,243 CAD
$890 USD
View
B+
Retailer 18
-
$1,297 CAD
$929 USD
View
B+
Retailer 19
-
$1,309 CAD
$937 USD
View
B
Retailer 20
-
$1,438 CAD
A$1,584 AUD
View
B
Retailer 21
-
$1,490 CAD
£840 GBP
View
B
Retailer 22
-
$1,527 CAD
£861 GBP
View
B
Retailer 23
-
$1,755 CAD
$1,257 USD
View
Most Expensive
Brilliant Earth
20905909A · Sep 28
$2,207 CAD
$1,580 USD
View
Price last confirmed 32 days ago
23 more retailers have this diamond
Prices start from $307 CADSave up to $1,448 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 Marquise
$307 CAD