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Marquise|Lab Grown|IGI

1.28ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG787621308

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787621308

Diamond specifications and retailer prices

From $1,001 CAD
$716 USD
As of November 2, 2026
Save $2,954 CAD (75%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,955 CAD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.28ct lab-grown marquise diamond

This 1.28ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787621308 or 787621308. Listed at 14 retailers as of November 2, 2026, with prices from $1,001 to $3,955, a $2,954 spread on the same certified stone. Brilliant Earth lists it at $3,955. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787621308
Dimensions11.18 × 5.70 × 3.58 mm
L/W Ratio1.96
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
11.18 mm5.70 mm1.28 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787621308
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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 2
Current: $3,955 CAD|Low: $1,001 CAD|High: $4,737 CAD|Avg: $2,212 CAD|-16.5%
Brilliant Earth
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
November 3, 2026
Retailer 3$1,001 CAD
Retailer 12$1,161 CAD
Retailer 11$1,181 CAD
Retailer 4$1,321 CAD
Retailer 9$1,436 CAD
Retailer 2$1,443 CAD
Retailer 7$1,614 CAD
Retailer 6$1,669 CAD
Retailer 14$2,204 CAD
Retailer 13$2,925 CAD
Retailer 5$3,202 CAD
Retailer 10$3,528 CAD
Retailer 8$3,906 CAD
Brilliant Earth$3,955 CAD

43 data points across 14 retailers

14 retailers$1,001 CAD to $3,955 CAD

A
Cheapest Retailer
-
$1,001 CAD
$716 USD
A
Retailer 2
-
$1,161 CAD
$831 USD
View
A
Retailer 3
-
$1,181 CAD
HK$6,600 HKD
View
B+
Retailer 4
-
$1,321 CAD
$945 USD
View
A
Retailer 5
-
$1,436 CAD
€979 EUR
View
A
Retailer 6
-
$1,443 CAD
£813 GBP
View
B+
Retailer 7
-
$1,614 CAD
ZAR 18,661 ZAR
View
B+
Retailer 8
-
$1,669 CAD
A$1,838 AUD
View
Retailer 9
-
$2,204 CAD
$1,577 USD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$2,925 CAD
$2,093 USD
View
B
Retailer 11
-
$3,202 CAD
$2,291 USD
View
B
Retailer 12
-
$3,528 CAD
$2,525 USD
View
B
Retailer 13
-
$3,906 CAD
£2,201 GBP
View
Most Expensive
B
Brilliant Earth
20870080Y · Nov 2
$3,955 CAD
$2,830 USD
View
13 more retailers have this diamond
Prices start from $1,001 CADSave up to $2,954 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
1.28ct Marquise
$1,001 CAD