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Marquise|Lab Grown|IGI

1.51ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG800679282

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG800679282

Diamond specifications and retailer prices

From $1,591 CAD
HK$8,900 HKD
As of October 31, 2026
Save $3,396 CAD (68%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,987 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown marquise diamond

This 1.51ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800679282 or 800679282. Listed at 12 retailers as of October 31, 2026, with prices from $1,591 to $4,987, a $3,396 spread on the same certified stone. Brilliant Earth lists it at $4,987. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679282
Dimensions11.67 × 5.97 × 3.74 mm
L/W Ratio1.95
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
11.67 mm5.97 mm1.51 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679282
Side View
Table 62.0%Crown 35.6°Girdle: MED-STKPavilion 39.7°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: Oct 31
Current: $4,987 CAD|Low: $1,591 CAD|High: $6,448 CAD|Avg: $3,514 CAD|-10.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7$1,591 CAD
Retailer 9$1,660 CAD
Retailer 10$1,970 CAD
Retailer 2$2,000 CAD
Retailer 4$2,093 CAD
Retailer 6$2,522 CAD
Retailer 8$3,341 CAD
Retailer 3$4,508 CAD
Retailer 5$4,911 CAD
Retailer 11$4,934 CAD
Brilliant Earth$4,987 CAD

40 data points across 11 retailers

12 retailers$1,591 CAD to $4,987 CAD

A
Cheapest Retailer
-
$1,591 CAD
HK$8,900 HKD
A
Retailer 2
-
$1,660 CAD
$1,188 USD
View
A
Retailer 3
-
$1,970 CAD
$1,410 USD
View
A
Retailer 4
-
$2,000 CAD
£1,127 GBP
View
A
Retailer 5
-
$2,093 CAD
€1,427 EUR
View
B+
Retailer 6
-
$2,522 CAD
A$2,778 AUD
View
Retailer 7
-
$3,341 CAD
$2,392 USD
View
Price last confirmed 7 days ago
Retailer 8
-
$4,439 CAD
$3,178 USD
View
Price last confirmed 89 days ago
B
Retailer 9
-
$4,508 CAD
$3,227 USD
View
B
Retailer 10
-
$4,911 CAD
£2,768 GBP
View
B
Retailer 11
-
$4,934 CAD
$3,532 USD
View
Most Expensive
B
Brilliant Earth
20788119A · Oct 31
$4,987 CAD
$3,570 USD
View
11 more retailers have this diamond
Prices start from $1,591 CADSave up to $3,396 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
1.51ct Marquise
$1,591 CAD