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Radiant|Lab Grown|IGI

1.28ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG638468183

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

Certificate IGI LG638468183

Diamond specifications and retailer prices

From $351 CAD
$251 USD
As of October 30, 2026
Save $1,388 CAD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,739 CAD at MOH London · As of November 1, 2026
View at MOH London

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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG638468183 or 638468183. Listed at 17 retailers as of October 30, 2026, with prices from $351 to $1,739, a $1,388 spread on the same certified stone. MOH London lists it at $1,739. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638468183
Dimensions7.74 × 5.32 × 3.70 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.74 mm5.32 mm1.28 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638468183
Side View
Table 64.0%Crown 39.7°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 69.5%

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 30
Current: $1,739 CAD|Low: $335 CAD|High: $1,760 CAD|Avg: $886 CAD|+4.1%
MOH London
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
November 1, 2026
Retailer 14$351 CAD
Retailer 5$393 CAD
Retailer 3$406 CAD
Retailer 4$434 CAD
Retailer 15$434 CAD
Retailer 2$519 CAD
Retailer 12$657 CAD
Retailer 6$717 CAD
Retailer 17$725 CAD
Retailer 8$789 CAD
Retailer 10$826 CAD
Retailer 11$992 CAD
Retailer 13$1,333 CAD
Retailer 16$1,396 CAD
Retailer 9$1,467 CAD
Retailer 7$1,682 CAD
MOH London$1,739 CAD

42 data points across 17 retailers

17 retailers$351 CAD to $1,739 CAD

A
Cheapest Retailer
-
$351 CAD
$251 USD
A
Retailer 2
-
$393 CAD
$281 USD
View
Final sale: no returns
A
Retailer 3
-
$406 CAD
$291 USD
View
A
Retailer 4
-
$434 CAD
$311 USD
View
A
Retailer 5
-
$434 CAD
$311 USD
View
A
Retailer 6
-
$519 CAD
£293 GBP
View
A
Retailer 7
-
$657 CAD
$470 USD
View
B+
Retailer 8
-
$717 CAD
$513 USD
View
B+
Retailer 9
-
$725 CAD
$519 USD
View
B+
Retailer 10
-
$789 CAD
$565 USD
View
B+
Retailer 11
-
$826 CAD
£466 GBP
View
B+
Retailer 12
-
$992 CAD
$710 USD
View
B
Retailer 13
-
$1,333 CAD
$954 USD
View
B
Retailer 14
-
$1,396 CAD
$999 USD
View
Retailer 15
-
$1,467 CAD
$1,050 USD
View
Price last confirmed 13 days ago
B
Retailer 16
-
$1,682 CAD
£948 GBP
View
Most Expensive
B
MOH London
LG638468183 · Nov 1
$1,739 CAD
£980 GBP
View
16 more retailers have this diamond
Prices start from $351 CADSave up to $1,388 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
$351 CAD