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Radiant|Lab Grown|IGI

1.28ct E VS1 Radiant Lab Grown Diamond

VG • E/VS1 • IGI LG628407192

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

Certificate IGI LG628407192

Diamond specifications and retailer prices

From $270 CAD
$193 USD
As of October 27, 2026
Save $2,333 CAD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,603 CAD at Do Amore Diamonds · As of October 29, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG628407192 or 628407192. Listed at 12 retailers as of October 27, 2026, with prices from $270 to $2,603, a $2,333 spread on the same certified stone. Do Amore Diamonds lists it at $2,603. 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

1.28
Carat
E
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628407192
Dimensions7.87 × 5.32 × 3.63 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.87 mm5.32 mm1.28 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628407192
Side View
Table 65.0%Crown 42.8°Girdle: MediumPavilion 35.6°Culet: NoneDepth 68.2%

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 27
Current: $2,603 CAD|Low: $217 CAD|High: $2,603 CAD|Avg: $984 CAD
Do Amore Diamonds
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 15$270 CAD
Retailer 3$304 CAD
Retailer 12$314 CAD
Retailer 2$467 CAD
Retailer 17$586 CAD
Retailer 4$617 CAD
Retailer 8$631 CAD
Retailer 7$721 CAD
Retailer 9$752 CAD
Retailer 11$906 CAD
Retailer 10$929 CAD
Retailer 13$1,083 CAD
Retailer 16$1,191 CAD
Retailer 5$1,386 CAD
Retailer 6$1,390 CAD
Retailer 14$1,493 CAD
Retailer 18$1,833 CAD
Do Amore Diamonds$2,603 CAD

40 data points across 18 retailers

12 retailers$270 CAD to $2,603 CAD

A
Cheapest Retailer
-
$270 CAD
$193 USD
A
Retailer 2
-
$304 CAD
$217 USD
View
Final sale: no returns
A
Retailer 3
-
$314 CAD
$224 USD
View
A
Retailer 4
-
$467 CAD
£263 GBP
View
B+
Retailer 5
-
$586 CAD
$419 USD
View
B+
Retailer 6
-
$906 CAD
A$996 AUD
View
B
Retailer 7
-
$1,083 CAD
$774 USD
View
B
Retailer 8
-
$1,191 CAD
$851 USD
View
B
Retailer 9
-
$1,386 CAD
$990 USD
View
B
Retailer 10
-
$1,493 CAD
£840 GBP
View
B
Retailer 11
-
$1,833 CAD
$1,310 USD
View
Most Expensive
B
Do Amore Diamonds
27-E781DC176 · Oct 29
$2,603 CAD
$1,860 USD
View
11 more retailers have this diamond
Prices start from $270 CADSave up to $2,333 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
$270 CAD