CaratHunter
Plans
Marquise|Lab Grown|IGI

0.91ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG783655428

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG783655428

Diamond specifications and retailer prices

From $176 CAD
$126 USD
As of October 30, 2026
Save $1,650 CAD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,826 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.91ct lab-grown marquise diamond

This 0.91ct lab-grown marquise sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG783655428 or 783655428. Listed at 17 retailers as of October 29, 2026, with prices from $176 to $1,826, a $1,650 spread on the same certified stone. MOH London lists it at $1,826. 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

0.91
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783655428
Dimensions9.62 × 5.08 × 3.14 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.62 mm5.08 mm0.91 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG783655428
Side View
Table 61.0%Crown 37.1°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 61.8%

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: Oct 30
Current: $1,826 CAD|Low: $176 CAD|High: $1,920 CAD|Avg: $542 CAD|-3.7%
MOH London
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
October 30, 2026
Retailer 13$176 CAD
Retailer 5$196 CAD
Retailer 7$204 CAD
Retailer 3$232 CAD
Retailer 6$232 CAD
Retailer 4$296 CAD
Retailer 9$362 CAD
Retailer 12$362 CAD
Retailer 11$395 CAD
Retailer 10$448 CAD
Retailer 15$662 CAD
Retailer 14$700 CAD
Retailer 16$739 CAD
Retailer 8$778 CAD
Retailer 2$838 CAD
MOH London$1,826 CAD

43 data points across 16 retailers

17 retailers$176 CAD to $1,826 CAD

A
Cheapest Retailer
-
$176 CAD
$126 USD
A
Retailer 2
-
$196 CAD
$140 USD
View
Final sale: no returns
A
Retailer 3
-
$204 CAD
$146 USD
View
A
Retailer 4
-
$232 CAD
$166 USD
View
A
Retailer 5
-
$232 CAD
$166 USD
View
B+
Retailer 6
-
$296 CAD
$212 USD
View
A
Retailer 7
-
$362 CAD
£204 GBP
View
A
Retailer 8
-
$362 CAD
$259 USD
View
A
Retailer 9
-
$395 CAD
€269 EUR
View
A
Retailer 10
-
$448 CAD
£252 GBP
View
B+
Retailer 11
-
$662 CAD
$474 USD
View
Retailer 12
-
$672 CAD
$481 USD
View
Price last confirmed 75 days ago
B+
Retailer 13
-
$700 CAD
$501 USD
View
B
Retailer 14
-
$739 CAD
$529 USD
View
B
Retailer 15
-
$778 CAD
$557 USD
View
B
Retailer 16
-
$838 CAD
$600 USD
View
Most Expensive
B
MOH London
LG783655428 · Oct 29
$1,826 CAD
£1,029 GBP
View
16 more retailers have this diamond
Prices start from $176 CADSave up to $1,650 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
0.91ct Marquise
$176 CAD