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Round|Lab Grown|IGI

1.28ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG582372249

Shape and cutting style on the report: Round brilliant

Certificate IGI LG582372249

Diamond specifications and retailer prices

From $362 CAD
$258 USD
As of October 29, 2026
Save $2,321 CAD (86%) vs most expensive(unlock to see where)
22 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 LG582372249 or 582372249. Listed at 22 retailers as of October 28, 2026, with prices from $362 to $2,683, a $2,321 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 angle34°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG582372249
Dimensions6.97 × 6.94 × 4.27 mm
L/W Ratio1.00
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
6.97 mm6.94 mm1.28 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG582372249
Side View
Table 59.0%Crown 34°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.4%

Caratlytics Score

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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: $2,683 CAD|Low: $355 CAD|High: $2,683 CAD|Avg: $990 CAD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 2$362 CAD
Retailer 15$406 CAD
Retailer 9$420 CAD
Retailer 7$450 CAD
Retailer 16$604 CAD
Retailer 4$674 CAD
Retailer 12$730 CAD
Retailer 18$772 CAD
Retailer 14$806 CAD
Retailer 13$824 CAD
Retailer 3$851 CAD
Retailer 5$996 CAD
Retailer 17$1,094 CAD
Retailer 10$1,169 CAD
Retailer 6$1,445 CAD
Retailer 8$1,517 CAD
Retailer 11$1,811 CAD
Brilliant Earth$2,683 CAD

34 data points across 18 retailers

22 retailers$362 CAD to $2,683 CAD

A
Cheapest Retailer
-
$362 CAD
$258 USD
A
Retailer 2
-
$406 CAD
$289 USD
View
Final sale: no returns
A
Retailer 3
-
$420 CAD
$299 USD
View
A
Retailer 4
-
$450 CAD
$320 USD
View
A
Retailer 5
-
$459 CAD
$327 USD
View
A
Retailer 6
-
$604 CAD
$430 USD
View
A
Retailer 7
-
$674 CAD
$480 USD
View
A
Retailer 8
-
$730 CAD
£409 GBP
View
A
Retailer 9
-
$772 CAD
ZAR 8,881 ZAR
View
A
Retailer 10
-
$806 CAD
$574 USD
View
A
Retailer 11
-
$824 CAD
€559 EUR
View
A
Retailer 12
-
$851 CAD
£477 GBP
View
B+
Retailer 13
-
$996 CAD
$709 USD
View
B+
Retailer 14
-
$1,094 CAD
A$1,198 AUD
View
B+
Retailer 15
-
$1,169 CAD
$832 USD
View
B+
Retailer 16
-
$1,366 CAD
A$1,496 AUD
View
Price last confirmed 142 days ago
B
Retailer 17
-
$1,445 CAD
$1,029 USD
View
B
Retailer 18
-
$1,517 CAD
$1,080 USD
View
B
Retailer 19
-
$1,618 CAD
$1,152 USD
View
B
Retailer 20
-
$1,738 CAD
$1,238 USD
View
Price last confirmed 73 days ago
B+
Retailer 21
-
$1,811 CAD
£1,015 GBP
View
Most Expensive
B
Brilliant Earth
14223868A · Oct 28
$2,683 CAD
$1,910 USD
View
21 more retailers have this diamond
Prices start from $362 CADSave up to $2,321 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
$362 CAD