Radiant|Lab Grown|IGI

1.28ct E VS2 Radiant Lab Grown Diamond

EX • E/VS2 • IGI LG635414418

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

Certificate IGI LG635414418

Diamond specifications and retailer prices

From $228 USD
As of October 25, 2026
Save $843 USD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,071 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 LG635414418 or 635414418. Listed at 16 retailers as of October 25, 2026, with prices from $228 to $1,071, a $843 spread on the same certified stone. MOH London lists it at $1,071. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.5°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635414418
Dimensions7.85 × 5.27 × 3.55 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.85 mm5.27 mm1.28 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635414418
Side View
Table 66.0%Crown 30.5°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 67.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: $1,071 USD|Low: $209 USD|High: $1,077 USD|Avg: $533 USD|+2.6%
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
October 29, 2026
Retailer 5$209 USD
Retailer 6$220 USD
Retailer 11$228 USD
Retailer 10$274 USD
Retailer 4$402 USD
Retailer 2$409 USD
Retailer 9$428 USD
Retailer 14$478 USD
Retailer 13$552 USD
Retailer 8$635 USD
Retailer 7$773 USD
Retailer 3$786 USD
Retailer 12$890 USD
MOH London$1,071 USD

40 data points across 14 retailers

16 retailers$228 USD to $1,071 USD

A
Retailer 1
-
$209 USD
Price last confirmed 31 days ago
A
Retailer 2
-
$220 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
$228 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
$228 USD
View
A
Retailer 5
-
$274 USD
£216 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
$402 USD
View
A
Retailer 7
-
$409 USD
£322 GBP
View
A
Retailer 8
-
$428 USD
€408 EUR
View
B+
Retailer 9
-
$478 USD
View
B+
Retailer 10
-
$552 USD
View
B+
Retailer 11
-
$635 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$723 USD
£569 GBP
View
B
Retailer 13
-
$773 USD
View
B
Retailer 14
-
$786 USD
View
Price last confirmed 11 days ago
B
Retailer 15
-
$890 USD
View
Most Expensive
B
MOH London
LG635414418 · Oct 29
$1,071 USD
£843 GBP
View
15 more retailers have this diamond
Prices start from $228 USDSave up to $843 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
$228 USD