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Marquise|Lab Grown|IGI

1.05ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG643452185

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG643452185

Diamond specifications and retailer prices

From $334 CAD
$239 USD
As of October 30, 2026
Save $2,195 CAD (87%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $2,528 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG643452185 or 643452185. Listed at 26 retailers as of October 28, 2026, with prices from $334 to $2,528, a $2,195 spread on the same certified stone. Brilliant Earth lists it at $2,528. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG643452185
Dimensions10.71 × 5.30 × 3.31 mm
L/W Ratio2.02
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
10.71 mm5.30 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG643452185
Side View
Table 59.0%Crown 34.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

Caratlytics Score

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A+
Exceptional
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: $2,528 CAD|Low: $334 CAD|High: $3,562 CAD|Avg: $1,100 CAD|-29.0%
Brilliant Earth
Retailer 2
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Retailer 6
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Retailer 25
October 30, 2026
Retailer 4$334 CAD
Retailer 23$373 CAD
Retailer 24$388 CAD
Retailer 3$415 CAD
Retailer 10$483 CAD
Retailer 9$587 CAD
Retailer 13$695 CAD
Retailer 21$713 CAD
Retailer 7$739 CAD
Retailer 2$785 CAD
Retailer 11$840 CAD
Retailer 18$859 CAD
Retailer 15$910 CAD
Retailer 20$933 CAD
Retailer 22$1,011 CAD
Retailer 16$1,171 CAD
Retailer 5$1,333 CAD
Retailer 6$1,338 CAD
Retailer 12$1,406 CAD
Retailer 17$1,527 CAD
Retailer 19$1,671 CAD
Retailer 25$1,788 CAD
Retailer 8$1,843 CAD
Retailer 14$2,067 CAD
Brilliant Earth$2,528 CAD

32 data points across 25 retailers

26 retailers$334 CAD to $2,528 CAD

A+
Cheapest Retailer
-
$334 CAD
$239 USD
A
Retailer 2
-
$373 CAD
$267 USD
View
Final sale: no returns
A
Retailer 3
-
$388 CAD
$278 USD
View
A
Retailer 4
-
$415 CAD
$297 USD
View
A
Retailer 5
-
$483 CAD
HK$2,700 HKD
View
A
Retailer 6
-
$587 CAD
$420 USD
View
A
Retailer 7
-
$695 CAD
€474 EUR
View
A
Retailer 8
-
$713 CAD
ZAR 8,241 ZAR
View
A
Retailer 9
-
$739 CAD
$529 USD
View
Retailer 10
-
$766 CAD
£432 GBP
View
Price last confirmed 15 days ago
A
Retailer 11
-
$785 CAD
£443 GBP
View
A
Retailer 12
-
$840 CAD
$601 USD
View
A
Retailer 13
-
$910 CAD
$651 USD
View
B+
Retailer 14
-
$933 CAD
A$1,028 AUD
View
B+
Retailer 15
-
$1,011 CAD
A$1,114 AUD
View
B+
Retailer 16
-
$1,171 CAD
SGD 1,133 SGD
View
B+
Retailer 17
-
$1,333 CAD
$954 USD
View
B+
Retailer 18
-
$1,338 CAD
$958 USD
View
B+
Retailer 19
-
$1,406 CAD
$1,007 USD
View
B+
Retailer 20
-
$1,527 CAD
$1,093 USD
View
B+
Retailer 21
-
$1,671 CAD
£942 GBP
View
B+
Retailer 22
-
$1,788 CAD
$1,280 USD
View
B
Retailer 23
-
$1,843 CAD
$1,320 USD
View
Retailer 24
-
$1,855 CAD
$1,328 USD
View
Price last confirmed 81 days ago
Retailer 25
-
$2,067 CAD
A$2,277 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
11464487A · Oct 28
$2,528 CAD
$1,810 USD
View
25 more retailers have this diamond
Prices start from $334 CADSave up to $2,195 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+
1.05ct Marquise
$334 CAD