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Marquise|Lab Grown|IGI

1.27ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG780662340

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780662340

Diamond specifications and retailer prices

From $1,073 CAD
HK$6,000 HKD
As of November 1, 2026
Save $3,315 CAD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,388 CAD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.27ct lab-grown marquise diamond

This 1.27ct 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 LG780662340 or 780662340. Listed at 14 retailers as of November 1, 2026, with prices from $1,073 to $4,388, a $3,315 spread on the same certified stone. Brilliant Earth lists it at $4,388. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662340
Dimensions11.51 × 5.54 × 3.47 mm
L/W Ratio2.08
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
11.51 mm5.54 mm1.27 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662340
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.6%

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 1
Current: $4,388 CAD|Low: $1,073 CAD|High: $4,765 CAD|Avg: $2,181 CAD|-7.9%
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
November 2, 2026
Retailer 4$1,073 CAD
Retailer 10$1,220 CAD
Retailer 13$1,307 CAD
Retailer 3$1,314 CAD
Retailer 8$1,426 CAD
Retailer 6$1,434 CAD
Retailer 2$1,602 CAD
Retailer 9$1,642 CAD
Retailer 12$2,186 CAD
Retailer 11$3,017 CAD
Retailer 5$3,667 CAD
Retailer 7$3,878 CAD
Brilliant Earth$4,388 CAD

40 data points across 13 retailers

14 retailers$1,073 CAD to $4,388 CAD

A
Cheapest Retailer
-
$1,073 CAD
HK$6,000 HKD
A
Retailer 2
-
$1,220 CAD
$873 USD
View
A
Retailer 3
-
$1,307 CAD
$935 USD
View
B+
Retailer 4
-
$1,314 CAD
$940 USD
View
A
Retailer 5
-
$1,426 CAD
€972 EUR
View
A
Retailer 6
-
$1,434 CAD
£808 GBP
View
B+
Retailer 7
-
$1,602 CAD
ZAR 18,522 ZAR
View
B+
Retailer 8
-
$1,642 CAD
A$1,808 AUD
View
Retailer 9
-
$2,186 CAD
$1,565 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$3,017 CAD
$2,159 USD
View
B
Retailer 11
-
$3,528 CAD
$2,525 USD
View
B
Retailer 12
-
$3,667 CAD
$2,624 USD
View
B
Retailer 13
-
$3,878 CAD
£2,185 GBP
View
Most Expensive
B
Brilliant Earth
18919119A · Nov 2
$4,388 CAD
$3,140 USD
View
13 more retailers have this diamond
Prices start from $1,073 CADSave up to $3,315 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
1.27ct Marquise
$1,073 CAD