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Round|Lab Grown|IGI

1.28ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG850688192

Shape and cutting style on the report: Round brilliant

Certificate IGI LG850688192

Diamond specifications and retailer prices

From $376 CAD
$268 USD
As of October 29, 2026
Save $1,502 CAD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,879 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG850688192 or 850688192. Listed at 10 retailers as of October 29, 2026, with prices from $376 to $1,879, a $1,502 spread on the same certified stone. MOH London lists it at $1,879. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850688192
Dimensions6.96 × 6.99 × 4.24 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.96 mm6.99 mm1.28 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850688192
Side View
Table 58.0%Crown 35.4°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 60.9%

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: $1,879 CAD|Low: $376 CAD|High: $1,879 CAD|Avg: $984 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 3$376 CAD
Retailer 7$521 CAD
Retailer 9$629 CAD
Retailer 2$688 CAD
Retailer 4$754 CAD
Retailer 5$757 CAD
Retailer 6$822 CAD
Retailer 10$1,527 CAD
Retailer 8$1,570 CAD
MOH London$1,879 CAD

2 data points across 10 retailers

10 retailers$376 CAD to $1,879 CAD

A
Cheapest Retailer
-
$376 CAD
$268 USD
A
Retailer 2
-
$521 CAD
HK$2,900 HKD
View
A
Retailer 3
-
$629 CAD
$448 USD
View
A
Retailer 4
-
$688 CAD
$490 USD
View
A
Retailer 5
-
$754 CAD
€511 EUR
View
A
Retailer 6
-
$757 CAD
£424 GBP
View
A
Retailer 7
-
$822 CAD
$585 USD
View
B
Retailer 8
-
$1,527 CAD
SGD 1,469 SGD
View
B
Retailer 9
-
$1,570 CAD
$1,118 USD
View
Most Expensive
B
MOH London
LG850688192 · Oct 29
$1,879 CAD
£1,053 GBP
View
9 more retailers have this diamond
Prices start from $376 CADSave up to $1,502 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
1.28ct Round
$376 CAD