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Marquise|Lab Grown|IGI

1.20ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG825687968

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825687968

Diamond specifications and retailer prices

From $387 CAD
As of November 4, 2026
Save $1,624 CAD (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,210 CAD at Queensmith · As of October 27, 2026
View at Queensmith

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 LG825687968 or 825687968. Listed at 23 retailers as of November 4, 2026, with a 420% 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

1.20
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825687968
Dimensions11.19 × 5.42 × 3.48 mm
L/W Ratio2.06
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
11.19 mm5.42 mm1.20 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825687968
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 64.2%

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 4
Current: $837 CAD|Low: $371 CAD|High: $2,366 CAD|Avg: $1,137 CAD|-10.9%
Retailer 1
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Retailer 22
November 5, 2026
Retailer 4$387 CAD
Retailer 13$432 CAD
Retailer 3$450 CAD
Retailer 9$480 CAD
Retailer 15$480 CAD
Retailer 20$536 CAD
Retailer 18$659 CAD
Retailer 19$698 CAD
Retailer 21$788 CAD
Retailer 17$828 CAD
Retailer 1$837 CAD
Retailer 11$1,071 CAD
Retailer 16$1,177 CAD
Retailer 2$1,476 CAD
Retailer 7$1,542 CAD
Retailer 8$1,545 CAD
Retailer 10$1,614 CAD
Retailer 6$1,702 CAD
Retailer 12$1,919 CAD
Retailer 14$2,011 CAD
Retailer 22$2,046 CAD
Retailer 5$2,356 CAD

42 data points across 22 retailers

23 retailers$387 CAD to $2,011 CAD

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Cheapest Retailer
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$387 CAD
A
Retailer 2
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$432 CAD
View
Final sale: no returns
A
Retailer 3
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$450 CAD
View
Retailer 4
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$480 CAD
View
Price last confirmed 11 days ago
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Retailer 5
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$480 CAD
View
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Retailer 6
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$536 CAD
View
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Retailer 7
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$659 CAD
View
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Retailer 8
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$698 CAD
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Retailer 9
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$788 CAD
View
Price last confirmed 11 days ago
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Retailer 10
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$828 CAD
View
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Retailer 11
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$837 CAD
View
B+
Retailer 12
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$1,071 CAD
View
B+
Retailer 13
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$1,177 CAD
View
B+
Retailer 14
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$1,476 CAD
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B+
Retailer 15
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$1,542 CAD
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B+
Retailer 16
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$1,545 CAD
View
B+
Retailer 17
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$1,614 CAD
View
B+
Retailer 18
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$1,702 CAD
View
B+
Retailer 19
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$1,919 CAD
View
B
Retailer 20
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$2,011 CAD
View
Retailer 21
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$2,046 CAD
View
Price last confirmed 8 days ago
Retailer 22
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$2,356 CAD
View
Price last confirmed 28 days ago
Most Expensive
Queensmith
LG825687968 · Oct 27
$3,210 CAD
£1,810 GBP
View
Price last confirmed 9 days ago
22 more retailers have this diamond
Prices start from $387 CADSave up to $1,624 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
$387 CAD