CaratHunter
Plans
Cushion|Lab Grown|IGI

0.91ct D SI1 Cushion Lab Grown Diamond

GD • D/SI1 • IGI LG517283270

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG517283270

Diamond specifications and retailer prices

From $195 CAD
$139 USD
As of October 30, 2026
Save $1,615 CAD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,809 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.91ct lab-grown cushion diamond

This 0.91ct lab-grown cushion sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG517283270 or 517283270. Listed at 12 retailers as of October 29, 2026, with prices from $195 to $1,809, a $1,615 spread on the same certified stone. MOH London lists it at $1,809. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.91
Carat
D
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517283270
Dimensions6.80 × 5.50 × 3.43 mm
L/W Ratio1.24
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
6.80 mm5.50 mm0.91 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG517283270
Side View
Table 58.5%Crown 34.1°Girdle: MED-THKPavilion 37.3°Culet: NoneDepth 62.4%

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: $1,809 CAD|Low: $195 CAD|High: $1,822 CAD|Avg: $625 CAD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 10$195 CAD
Retailer 6$230 CAD
Retailer 3$388 CAD
Retailer 8$413 CAD
Retailer 4$444 CAD
Retailer 2$448 CAD
Retailer 9$662 CAD
Retailer 5$756 CAD
Retailer 7$1,134 CAD
MOH London$1,809 CAD

43 data points across 10 retailers

12 retailers$195 CAD to $1,809 CAD

A
Cheapest Retailer
-
$195 CAD
$139 USD
Final sale: no returns
A
Retailer 2
-
$230 CAD
$164 USD
View
B+
Retailer 3
-
$362 CAD
$259 USD
View
A
Retailer 4
-
$388 CAD
€264 EUR
View
B+
Retailer 5
-
$413 CAD
$295 USD
View
B+
Retailer 6
-
$444 CAD
£250 GBP
View
B+
Retailer 7
-
$448 CAD
£252 GBP
View
B+
Retailer 8
-
$662 CAD
$473 USD
View
Retailer 9
-
$756 CAD
$540 USD
View
Price last confirmed 15 days ago
B
Retailer 10
-
$772 CAD
$552 USD
View
B
Retailer 11
-
$1,134 CAD
$810 USD
View
Most Expensive
B
MOH London
LG517283270 · Oct 29
$1,809 CAD
£1,018 GBP
View
11 more retailers have this diamond
Prices start from $195 CADSave up to $1,615 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 Cushion
$195 CAD