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Round|Lab Grown|IGI

1.28ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG668433294

Shape and cutting style on the report: Round brilliant

Certificate IGI LG668433294

Diamond specifications and retailer prices

From $333 CAD
$237 USD
As of October 26, 2026
Save $2,350 CAD (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,683 CAD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 LG668433294 or 668433294. Listed at 21 retailers as of October 26, 2026, with prices from $333 to $2,683, a $2,350 spread on the same certified stone. Brilliant Earth lists it at $2,683. 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 angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668433294
Dimensions6.94 × 6.98 × 4.32 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
6.94 mm6.98 mm1.28 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668433294
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.1%

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 26
Current: $2,683 CAD|Low: $264 CAD|High: $2,767 CAD|Avg: $960 CAD|-3.0%
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 29, 2026
Retailer 12$333 CAD
Retailer 5$372 CAD
Retailer 3$413 CAD
Retailer 13$555 CAD
Retailer 8$708 CAD
Retailer 6$746 CAD
Retailer 4$753 CAD
Retailer 7$773 CAD
Retailer 9$1,005 CAD
Retailer 11$1,089 CAD
Retailer 10$1,643 CAD
Retailer 2$1,661 CAD
Brilliant Earth$2,683 CAD

42 data points across 13 retailers

21 retailers$333 CAD to $2,683 CAD

A
Cheapest Retailer
-
$333 CAD
$237 USD
A
Retailer 2
-
$372 CAD
$265 USD
View
Final sale: no returns
A
Retailer 3
-
$386 CAD
$275 USD
View
A
Retailer 4
-
$413 CAD
$294 USD
View
A
Retailer 5
-
$413 CAD
$294 USD
View
A
Retailer 6
-
$467 CAD
HK$2,600 HKD
View
A
Retailer 7
-
$555 CAD
$395 USD
View
A
Retailer 8
-
$708 CAD
ZAR 8,147 ZAR
View
A
Retailer 9
-
$746 CAD
€506 EUR
View
A
Retailer 10
-
$753 CAD
$536 USD
View
A
Retailer 11
-
$773 CAD
£433 GBP
View
B+
Retailer 12
-
$985 CAD
$701 USD
View
B+
Retailer 13
-
$1,005 CAD
A$1,101 AUD
View
B+
Retailer 14
-
$1,089 CAD
$775 USD
View
B+
Retailer 15
-
$1,326 CAD
$944 USD
View
B+
Retailer 16
-
$1,332 CAD
SGD 1,281 SGD
View
B+
Retailer 17
-
$1,399 CAD
$996 USD
View
B
Retailer 18
-
$1,433 CAD
$1,020 USD
View
B
Retailer 19
-
$1,643 CAD
$1,170 USD
View
Price last confirmed 11 days ago
B+
Retailer 20
-
$1,661 CAD
£931 GBP
View
Most Expensive
B
Brilliant Earth
14522387A · Oct 28
$2,683 CAD
$1,910 USD
View
20 more retailers have this diamond
Prices start from $333 CADSave up to $2,350 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
$333 CAD