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Marquise|Lab Grown|IGI

1.55ct D VVS1 Marquise Lab Grown Diamond

EX • D/VVS1 • IGI LG780622176

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780622176

Diamond specifications and retailer prices

From $531 CAD
$380 USD
As of November 2, 2026
Save $2,042 CAD (79%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,276 CAD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG780622176 or 780622176. Listed at 24 retailers as of November 1, 2026, with a 385% 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

1.55
Carat
D
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780622176
Dimensions11.86 × 6.18 × 3.84 mm
L/W Ratio1.92
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
11.86 mm6.18 mm1.55 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780622176
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.1%

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 2
Current: $4,276 CAD|Low: $531 CAD|High: $4,276 CAD|Avg: $1,604 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 2, 2026
Retailer 6$531 CAD
Retailer 10$595 CAD
Retailer 23$595 CAD
Retailer 4$658 CAD
Retailer 9$658 CAD
Retailer 5$700 CAD
Retailer 21$866 CAD
Retailer 11$883 CAD
Retailer 24$1,047 CAD
Retailer 22$1,096 CAD
Retailer 8$1,108 CAD
Retailer 2$1,136 CAD
Retailer 13$1,192 CAD
Retailer 20$1,529 CAD
Retailer 19$1,553 CAD
Retailer 14$2,096 CAD
Retailer 7$2,117 CAD
Retailer 16$2,171 CAD
Retailer 3$2,348 CAD
Retailer 15$2,465 CAD
Retailer 12$2,471 CAD
Retailer 18$2,573 CAD
Retailer 17$2,641 CAD
Brilliant Earth$4,276 CAD

30 data points across 24 retailers

24 retailers$531 CAD to $2,573 CAD

A
Cheapest Retailer
-
$531 CAD
$380 USD
A
Retailer 2
-
$595 CAD
$426 USD
View
A
Retailer 3
-
$595 CAD
$426 USD
View
Final sale: no returns
A
Retailer 4
-
$658 CAD
$471 USD
View
Retailer 5
-
$658 CAD
$471 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$866 CAD
$620 USD
View
A
Retailer 7
-
$883 CAD
$632 USD
View
A
Retailer 8
-
$1,047 CAD
$749 USD
View
A
Retailer 9
-
$1,096 CAD
€747 EUR
View
A
Retailer 10
-
$1,108 CAD
$793 USD
View
B+
Retailer 11
-
$1,136 CAD
ZAR 13,130 ZAR
View
B+
Retailer 12
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$1,192 CAD
£671 GBP
View
B+
Retailer 13
-
$1,529 CAD
A$1,683 AUD
View
B+
Retailer 14
-
$1,553 CAD
$1,111 USD
View
B+
Retailer 15
-
$2,096 CAD
SGD 2,027 SGD
View
B+
Retailer 16
-
$2,117 CAD
$1,515 USD
View
B+
Retailer 17
-
$2,171 CAD
$1,553 USD
View
Retailer 18
-
$2,348 CAD
$1,680 USD
View
Price last confirmed 15 days ago
Retailer 19
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$2,368 CAD
A$2,607 AUD
View
Price last confirmed 97 days ago
B
Retailer 20
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$2,465 CAD
$1,764 USD
View
B
Retailer 21
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$2,471 CAD
$1,768 USD
View
B
Retailer 22
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$2,573 CAD
£1,450 GBP
View
Retailer 23
-
$2,641 CAD
£1,488 GBP
View
Price last confirmed 19 days ago
Most Expensive
Brilliant Earth
18441629A · Oct 16
$4,276 CAD
$3,060 USD
View
Price last confirmed 17 days ago
23 more retailers have this diamond
Prices start from $531 CADSave up to $2,042 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
1.55ct Marquise
$531 CAD