Radiant|Lab Grown|IGI

1.28ct E VS2 Radiant Lab Grown Diamond

ID • E/VS2 • IGI LG634496668

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

Certificate IGI LG634496668

Diamond specifications and retailer prices

From $184 USD
As of October 27, 2026
Save $887 USD (83%) vs most expensive(unlock to see where)
17 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 LG634496668 or 634496668. Listed at 17 retailers as of October 27, 2026, with prices from $184 to $1,071, a $887 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634496668
Dimensions7.57 × 5.38 × 3.63 mm
L/W Ratio1.41
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
7.57 mm5.38 mm1.28 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634496668
Side View
Table 65.0%Crown 31.2°Girdle: MediumPavilion 35.4°Culet: NoneDepth 67.5%

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 27
Current: $1,071 USD|Low: $180 USD|High: $1,082 USD|Avg: $564 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
Retailer 15
Retailer 16
Retailer 17
October 28, 2026
Retailer 15$184 USD
Retailer 10$213 USD
Retailer 3$228 USD
Retailer 17$228 USD
Retailer 14$274 USD
Retailer 8$402 USD
Retailer 2$409 USD
Retailer 13$428 USD
Retailer 6$478 USD
Retailer 5$552 USD
Retailer 12$635 USD
Retailer 16$732 USD
Retailer 11$773 USD
Retailer 7$786 USD
Retailer 4$890 USD
MOH London$1,071 USD
Retailer 9$1,082 USD

40 data points across 17 retailers

17 retailers$184 USD to $1,071 USD

A
Cheapest Retailer
-
$184 USD
A
Retailer 2
-
$213 USD
View
A
Retailer 3
-
$228 USD
View
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
A
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
-
$732 USD
View
B
Retailer 14
-
$773 USD
View
B
Retailer 15
-
$786 USD
View
Price last confirmed 11 days ago
B
Retailer 16
-
$890 USD
View
Most Expensive
B
MOH London
LG634496668 · Oct 29
$1,071 USD
£843 GBP
View
16 more retailers have this diamond
Prices start from $184 USDSave up to $887 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
$184 USD