Round|Lab Grown|IGI

0.91ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG457056543

Shape and cutting style on the report: Round brilliant

Certificate IGI LG457056543

Diamond specifications and retailer prices

From $193 CAD
$138 USD
As of October 29, 2026
Save $928 CAD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,122 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 0.91ct lab-grown round diamond

This 0.91ct lab-grown round sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG457056543 or 457056543. Listed at 12 retailers as of October 26, 2026, with prices from $193 to $1,122, a $928 spread on the same certified stone. MOH London lists it at $1,122. 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
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG457056543
Dimensions6.16 × 6.10 × 3.86 mm
L/W Ratio1.01
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
6.16 mm6.10 mm0.91 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG457056543
Side View
Table 59.0%Crown 36.8°Girdle: ThickPavilion 40.9°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,122 CAD|Low: $185 CAD|High: $1,250 CAD|Avg: $629 CAD|-0.8%
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
Retailer 17
October 29, 2026
Retailer 12$193 CAD
Retailer 16$217 CAD
Retailer 17$224 CAD
Retailer 3$412 CAD
Retailer 10$414 CAD
Retailer 15$446 CAD
Retailer 2$449 CAD
Retailer 6$550 CAD
Retailer 8$596 CAD
Retailer 5$614 CAD
Retailer 7$731 CAD
Retailer 14$770 CAD
Retailer 11$813 CAD
Retailer 13$938 CAD
Retailer 4$1,004 CAD
MOH London$1,122 CAD
Retailer 9$1,250 CAD

31 data points across 17 retailers

12 retailers$193 CAD to $1,122 CAD

A
Cheapest Retailer
-
$193 CAD
$138 USD
A
Retailer 2
-
$217 CAD
$155 USD
View
Final sale: no returns
A
Retailer 3
-
$224 CAD
$160 USD
View
B+
Retailer 4
-
$412 CAD
HK$2,300 HKD
View
A
Retailer 5
-
$414 CAD
€282 EUR
View
B+
Retailer 6
-
$446 CAD
$319 USD
View
B+
Retailer 7
-
$449 CAD
£253 GBP
View
B
Retailer 8
-
$770 CAD
$550 USD
View
B
Retailer 9
-
$813 CAD
$581 USD
View
B
Retailer 10
-
$938 CAD
$670 USD
View
B
Retailer 11
-
$1,004 CAD
SGD 969 SGD
View
Most Expensive
B
MOH London
LG457056543 · Oct 26
$1,122 CAD
£631 GBP
View
11 more retailers have this diamond
Prices start from $193 CADSave up to $928 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 Round
$193 CAD