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Radiant|Lab Grown|IGI

1.28ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG762551885

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG762551885

Diamond specifications and retailer prices

From $321 CAD
$230 USD
As of October 30, 2026
Save $1,537 CAD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,311 CAD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG762551885 or 762551885. Listed at 22 retailers as of October 30, 2026, with a 478% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762551885
Dimensions7.70 × 5.29 × 3.56 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.70 mm5.29 mm1.28 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762551885
Side View
Table 66.0%Crown 45.6°Girdle: MediumPavilion 34.6°Culet: NoneDepth 67.3%

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: $760 CAD|Low: $309 CAD|High: $1,858 CAD|Avg: $925 CAD|+4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2$321 CAD
Retailer 4$360 CAD
Retailer 3$398 CAD
Retailer 5$527 CAD
Retailer 1$760 CAD
Retailer 6$832 CAD
Retailer 11$929 CAD
Retailer 10$1,029 CAD
Retailer 9$1,071 CAD
Retailer 12$1,287 CAD
Retailer 8$1,772 CAD
Retailer 7$1,858 CAD

43 data points across 12 retailers

22 retailers$321 CAD to $1,858 CAD

A
Cheapest Retailer
-
$321 CAD
$230 USD
A
Retailer 2
-
$360 CAD
$258 USD
View
Final sale: no returns
A
Retailer 3
-
$373 CAD
$267 USD
View
Retailer 4
-
$398 CAD
$285 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$398 CAD
$285 USD
View
A
Retailer 6
-
$527 CAD
£297 GBP
View
B+
Retailer 7
-
$535 CAD
$383 USD
View
A
Retailer 8
-
$535 CAD
$383 USD
View
B+
Retailer 9
-
$760 CAD
ZAR 8,788 ZAR
View
B+
Retailer 10
-
$832 CAD
£469 GBP
View
Retailer 11
-
$929 CAD
$665 USD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$1,029 CAD
A$1,133 AUD
View
B+
Retailer 13
-
$1,071 CAD
A$1,180 AUD
View
B
Retailer 14
-
$1,287 CAD
$921 USD
View
B
Retailer 15
-
$1,415 CAD
$1,013 USD
View
B
Retailer 16
-
$1,653 CAD
$1,184 USD
View
B
Retailer 17
-
$1,724 CAD
£972 GBP
View
B
Retailer 18
-
$1,772 CAD
£999 GBP
View
B
Retailer 19
-
$1,801 CAD
$1,289 USD
View
B
Retailer 20
-
$1,858 CAD
$1,330 USD
View
Retailer 21
-
$3,087 CAD
$2,210 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-762551885 · Oct 31
$3,311 CAD
$2,370 USD
View
Price under review
21 more retailers have this diamond
Prices start from $321 CADSave up to $1,537 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 Radiant
$321 CAD