Radiant|Lab Grown|IGI

1.28ct E VS2 Radiant Lab Grown Diamond

VG • E/VS2 • IGI LG636401233

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

Certificate IGI LG636401233

Diamond specifications and retailer prices

From €647 EUR
£569 GBP
As of October 29, 2026
5 retailers carry this diamond
Most expensive: €806 EUR at Brilliant Earth · As of October 3, 2026
View at Brilliant Earth

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 very-good cut grade and certified by IGI LG636401233 or 636401233. Listed at 5 retailers as of October 29, 2026. 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
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636401233
Dimensions7.60 × 5.34 × 3.66 mm
L/W Ratio1.42
Culet sizePointed
Top View
7.60 mm5.34 mm1.28 ctE / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636401233
Side View
Table 65.0%Crown 33.3°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 68.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: €806 EUR|Low: €187 EUR|High: €969 EUR|Avg: €549 EUR|-4.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 1, 2026
Retailer 8€187 EUR
Retailer 10€197 EUR
Retailer 9€200 EUR
Retailer 4€331 EUR
Retailer 7€350 EUR
Retailer 2€355 EUR
Retailer 13€427 EUR
Retailer 12€491 EUR
Retailer 11€577 EUR
Retailer 3€690 EUR
Brilliant Earth€806 EUR
Retailer 6€945 EUR
Retailer 5€969 EUR

16 data points across 13 retailers

5 retailers

Retailer 1
-
€187 EUR
$209 USD
Price last confirmed 33 days ago
Retailer 2
-
€197 EUR
$220 USD
View
Price last confirmed 33 days ago
Retailer 3
-
€577 EUR
$645 USD
View
Price last confirmed 32 days ago
B
Retailer 4
-
€647 EUR
£569 GBP
View
Most Expensive
Brilliant Earth
10571494A · Oct 3
€806 EUR
$900 USD
View
Price last confirmed 27 days ago
4 more retailers have this diamond
Prices start from €647 EUR

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.

B
1.28ct Radiant
€647 EUR