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Marquise|Lab Grown|IGI

1.20ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG700512487

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG700512487

Diamond specifications and retailer prices

From $475 CAD
As of November 5, 2026
Save $3,310 CAD (87%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $3,785 CAD at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown marquise diamond

This 1.2ct 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 LG700512487 or 700512487. Listed at 29 retailers as of November 5, 2026, with prices from $475 to $3,785, a $3,310 spread on the same certified stone. Do Amore Diamonds lists it at $3,785. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700512487
Dimensions11.10 × 5.44 × 3.46 mm
L/W Ratio2.04
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
11.10 mm5.44 mm1.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700512487
Side View
Table 54.0%Crown 35°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 63.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $3,785 CAD|Low: $341 CAD|High: $4,930 CAD|Avg: $1,690 CAD|+15.3%
Do Amore Diamonds
Retailer 2
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November 5, 2026
Retailer 16$341 CAD
Retailer 13$475 CAD
Retailer 15$689 CAD
Retailer 19$691 CAD
Retailer 20$768 CAD
Retailer 3$824 CAD
Retailer 2$844 CAD
Retailer 14$1,011 CAD
Retailer 17$1,028 CAD
Retailer 11$1,219 CAD
Retailer 8$1,311 CAD
Retailer 6$1,327 CAD
Retailer 21$1,432 CAD
Retailer 23$1,621 CAD
Retailer 22$1,873 CAD
Retailer 7$2,096 CAD
Retailer 12$2,109 CAD
Retailer 4$2,127 CAD
Retailer 5$2,242 CAD
Retailer 18$2,328 CAD
Retailer 10$2,458 CAD
Retailer 9$2,496 CAD
Do Amore Diamonds$3,785 CAD

29 data points across 23 retailers

29 retailers$475 CAD to $3,785 CAD

Retailer 1
-
$341 CAD
Price last confirmed 28 days ago
A
Retailer 2
-
$475 CAD
View
Final sale: no returns
Retailer 3
-
$577 CAD
View
Price last confirmed 36 days ago
Retailer 4
-
$647 CAD
View
Price last confirmed 37 days ago
Retailer 5
-
$689 CAD
View
Price last confirmed 28 days ago
Retailer 6
-
$689 CAD
View
Price last confirmed 26 days ago
A
Retailer 7
-
$691 CAD
View
Retailer 8
-
$707 CAD
View
Price last confirmed 37 days ago
A
Retailer 9
-
$768 CAD
View
A
Retailer 10
-
$824 CAD
View
A
Retailer 11
-
$844 CAD
View
B+
Retailer 12
-
$1,011 CAD
View
A
Retailer 13
-
$1,028 CAD
View
Retailer 14
-
$1,219 CAD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$1,311 CAD
View
B+
Retailer 16
-
$1,327 CAD
View
B+
Retailer 17
-
$1,432 CAD
View
B+
Retailer 18
-
$1,621 CAD
View
B+
Retailer 19
-
$1,873 CAD
View
B
Retailer 20
-
$2,096 CAD
View
Retailer 21
-
$2,109 CAD
View
Price last confirmed 8 days ago
B+
Retailer 22
-
$2,127 CAD
View
B
Retailer 23
-
$2,242 CAD
View
B
Retailer 24
-
$2,328 CAD
View
Retailer 25
-
$2,445 CAD
View
Price last confirmed 26 days ago
B
Retailer 26
-
$2,458 CAD
View
B
Retailer 27
-
$2,496 CAD
View
Retailer 28
-
$2,540 CAD
View
Price last confirmed 36 days ago
Most Expensive
B
Do Amore Diamonds
27-090EA091C · Nov 5
$3,785 CAD
$2,710 USD
View
28 more retailers have this diamond
Prices start from $475 CADSave up to $3,310 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
1.20ct Marquise
$475 CAD