Radiant|Lab Grown|IGI

1.28ct D VS2 Radiant Lab Grown Diamond

ID • D/VS2 • IGI LG841641817

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

Certificate IGI LG841641817

Diamond specifications and retailer prices

From €256 EUR
£225 GBP
As of October 30, 2026
Save €432 EUR (63%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €1,003 EUR at MOH London · As of October 21, 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 LG841641817 or 841641817. Listed at 9 retailers as of October 30, 2026, with a 169% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle44.2°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841641817
Dimensions7.54 × 5.36 × 3.67 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.54 mm5.36 mm1.28 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841641817
Side View
Table 64.0%Crown 44.2°Girdle: MediumPavilion 35.3°Culet: NoneDepth 68.5%

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: €1,003 EUR|Low: €255 EUR|High: €1,003 EUR|Avg: €545 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 4€256 EUR
Retailer 8€373 EUR
Retailer 2€386 EUR
Retailer 5€389 EUR
Retailer 6€441 EUR
Retailer 9€600 EUR
Retailer 3€671 EUR
Retailer 7€688 EUR
MOH London€1,003 EUR

14 data points across 9 retailers

9 retailers€256 EUR to €688 EUR

A
Cheapest Retailer
-
€256 EUR
£225 GBP
A
Retailer 2
-
€373 EUR
$417 USD
View
A
Retailer 3
-
€386 EUR
£339 GBP
View
Retailer 4
-
€389 EUR
View
Price last confirmed 8 days ago
B+
Retailer 5
-
€441 EUR
$493 USD
View
Retailer 6
-
€600 EUR
$670 USD
View
Price last confirmed 13 days ago
B+
Retailer 7
-
€671 EUR
$750 USD
View
B+
Retailer 8
-
€688 EUR
$769 USD
View
Most Expensive
MOH London
LG841641817 · Oct 21
€1,003 EUR
£882 GBP
View
Price last confirmed 11 days ago
8 more retailers have this diamond
Prices start from €256 EURSave up to €432 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.

A
1.28ct Radiant
€256 EUR