Radiant|Lab Grown|IGI

1.28ct E VS2 Radiant Lab Grown Diamond

ID • E/VS2 • IGI LG638499792

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

Certificate IGI LG638499792

Diamond specifications and retailer prices

From $250 USD
As of October 27, 2026
Save $1,001 USD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,251 USD at MOH London · As of October 29, 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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG638499792 or 638499792. Listed at 16 retailers as of October 27, 2026, with prices from $250 to $1,251, a $1,001 spread on the same certified stone. MOH London lists it at $1,251. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638499792
Dimensions7.73 × 5.36 × 3.50 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.73 mm5.36 mm1.28 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638499792
Side View
Table 64.0%Crown 36.5°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 65.3%

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 27
Current: $1,251 USD|Low: $240 USD|High: $1,259 USD|Avg: $660 USD|+4.5%
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
October 29, 2026
Retailer 11$250 USD
Retailer 4$280 USD
Retailer 16$290 USD
Retailer 3$310 USD
Retailer 13$310 USD
Retailer 9$470 USD
Retailer 5$501 USD
Retailer 15$519 USD
Retailer 7$565 USD
Retailer 2$587 USD
Retailer 12$870 USD
Retailer 10$953 USD
Retailer 14$998 USD
Retailer 8$1,049 USD
Retailer 6$1,204 USD
MOH London$1,251 USD

42 data points across 16 retailers

16 retailers$250 USD to $1,251 USD

A
Cheapest Retailer
-
$250 USD
A
Retailer 2
-
$280 USD
View
Final sale: no returns
A
Retailer 3
-
$290 USD
View
A
Retailer 4
-
$310 USD
View
A
Retailer 5
-
$310 USD
View
A
Retailer 6
-
$470 USD
View
B+
Retailer 7
-
$501 USD
View
B+
Retailer 8
-
$519 USD
View
B+
Retailer 9
-
$565 USD
View
B+
Retailer 10
-
$587 USD
£462 GBP
View
B
Retailer 11
-
$870 USD
View
B
Retailer 12
-
$953 USD
View
B
Retailer 13
-
$998 USD
View
B
Retailer 14
-
$1,049 USD
View
Price last confirmed 11 days ago
B
Retailer 15
-
$1,204 USD
£948 GBP
View
Most Expensive
B
MOH London
LG638499792 · Oct 29
$1,251 USD
£985 GBP
View
15 more retailers have this diamond
Prices start from $250 USDSave up to $1,001 USD

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
$250 USD