CaratHunter
Plans
Marquise|Lab Grown|IGI

1.53ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG809685426

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG809685426

Diamond specifications and retailer prices

From $531 CAD
€362 EUR
As of October 27, 2026
Save $1,844 CAD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,376 CAD at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 1.53ct lab-grown marquise diamond

This 1.53ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG809685426 or 809685426. Listed at 16 retailers as of October 27, 2026, with prices from $531 to $2,376, a $1,844 spread on the same certified stone. Brilliant Earth lists it at $2,376. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.53
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809685426
Dimensions11.84 × 5.94 × 3.74 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.84 mm5.94 mm1.53 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG809685426
Side View
Table 64.0%Crown 36.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.0%

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 27
Current: $2,376 CAD|Low: $256 CAD|High: $2,445 CAD|Avg: $1,011 CAD|-2.9%
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
October 27, 2026
Retailer 11$274 CAD
Retailer 3$412 CAD
Retailer 6$528 CAD
Retailer 2$531 CAD
Retailer 4$545 CAD
Retailer 10$648 CAD
Retailer 8$742 CAD
Retailer 7$774 CAD
Retailer 12$1,057 CAD
Retailer 13$1,300 CAD
Retailer 5$1,347 CAD
Retailer 9$1,561 CAD
Brilliant Earth$2,376 CAD

33 data points across 13 retailers

16 retailers$531 CAD to $2,376 CAD

Retailer 1
-
$330 CAD
$236 USD
Price last confirmed 25 days ago
Retailer 2
-
$383 CAD
$274 USD
View
Price last confirmed 34 days ago
Retailer 3
-
$409 CAD
$293 USD
View
Price last confirmed 30 days ago
Retailer 4
-
$412 CAD
$295 USD
View
Price last confirmed 10 days ago
Retailer 5
-
$528 CAD
£298 GBP
View
Price last confirmed 9 days ago
A
Retailer 6
-
$531 CAD
€362 EUR
View
Retailer 7
-
$545 CAD
£307 GBP
View
Price last confirmed 17 days ago
Retailer 8
-
$648 CAD
$464 USD
View
Price last confirmed 9 days ago
Retailer 9
-
$742 CAD
$531 USD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$774 CAD
$554 USD
View
Retailer 11
-
$1,057 CAD
$756 USD
View
Price last confirmed 10 days ago
Retailer 12
-
$1,300 CAD
$930 USD
View
Price last confirmed 15 days ago
Retailer 13
-
$1,314 CAD
$940 USD
View
Price last confirmed 33 days ago
Retailer 14
-
$1,347 CAD
£759 GBP
View
Price last confirmed 18 days ago
Retailer 15
-
$1,561 CAD
$1,117 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
20610791A · Oct 27
$2,376 CAD
$1,700 USD
View
15 more retailers have this diamond
Prices start from $531 CADSave up to $1,844 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
1.53ct Marquise
$531 CAD