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Marquise|Lab Grown|IGI

1.27ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG790666443

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790666443

Diamond specifications and retailer prices

From $1,473 CAD
$1,054 USD
As of November 2, 2026
Save $4,490 CAD (75%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,963 CAD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 LG790666443 or 790666443. Listed at 22 retailers as of October 31, 2026, with prices from $1,473 to $5,963, a $4,490 spread on the same certified stone. Taylor and Hart lists it at $5,963. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790666443
Dimensions11.24 × 5.57 × 3.45 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
11.24 mm5.57 mm1.27 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790666443
Side View
Table 62.0%Crown 35.5°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 61.9%

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: $3,292 CAD|Low: $1,418 CAD|High: $5,974 CAD|Avg: $3,178 CAD|+4.0%
Retailer 1
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Taylor and Hart
November 2, 2026
Retailer 17$1,473 CAD
Retailer 8$1,601 CAD
Retailer 3$1,648 CAD
Retailer 19$1,708 CAD
Retailer 10$1,710 CAD
Retailer 2$1,949 CAD
Retailer 16$1,973 CAD
Retailer 9$2,414 CAD
Retailer 15$2,443 CAD
Retailer 12$2,473 CAD
Retailer 20$3,015 CAD
Retailer 5$3,139 CAD
Retailer 7$3,201 CAD
Retailer 1$3,292 CAD
Retailer 13$3,598 CAD
Retailer 4$4,706 CAD
Retailer 11$4,821 CAD
Retailer 18$5,474 CAD
Retailer 6$5,722 CAD
Retailer 14$5,791 CAD
Taylor and Hart$5,963 CAD

36 data points across 21 retailers

22 retailers$1,473 CAD to $5,963 CAD

A
Cheapest Retailer
-
$1,473 CAD
$1,054 USD
B+
Retailer 2
-
$1,601 CAD
$1,146 USD
View
B+
Retailer 3
-
$1,648 CAD
$1,179 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,708 CAD
$1,222 USD
View
Retailer 5
-
$1,710 CAD
$1,224 USD
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$1,949 CAD
$1,395 USD
View
B+
Retailer 7
-
$1,973 CAD
$1,412 USD
View
B+
Retailer 8
-
$1,985 CAD
HK$11,100 HKD
View
B+
Retailer 9
-
$2,414 CAD
A$2,658 AUD
View
B+
Retailer 10
-
$2,443 CAD
$1,748 USD
View
B+
Retailer 11
-
$2,473 CAD
£1,393 GBP
View
B
Retailer 12
-
$3,015 CAD
€2,055 EUR
View
B+
Retailer 13
-
$3,139 CAD
ZAR 36,292 ZAR
View
B+
Retailer 14
-
$3,201 CAD
$2,291 USD
View
B
Retailer 15
-
$3,292 CAD
$2,356 USD
View
Retailer 16
-
$3,598 CAD
$2,575 USD
View
Price last confirmed 26 days ago
B
Retailer 17
-
$4,706 CAD
£2,652 GBP
View
B
Retailer 18
-
$4,821 CAD
$3,450 USD
View
B
Retailer 19
-
$5,474 CAD
$3,917 USD
View
B
Retailer 20
-
$5,722 CAD
SGD 5,533 SGD
View
B
Retailer 21
-
$5,791 CAD
£3,263 GBP
View
Most Expensive
B
Taylor and Hart
C0FQK8M · Oct 31
$5,963 CAD
$4,267 USD
View
21 more retailers have this diamond
Prices start from $1,473 CADSave up to $4,490 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
$1,473 CAD