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Radiant|Lab Grown|IGI

1.28ct E VS1 Radiant Lab Grown Diamond

VG • E/VS1 • IGI LG628407192

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

Certificate IGI LG628407192

Diamond specifications and retailer prices

From €173 EUR
$193 USD
As of October 27, 2026
Save €1,498 EUR (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,671 EUR at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG628407192 or 628407192. Listed at 12 retailers as of October 27, 2026, with prices from €173 to €1,671, a €1,498 spread on the same certified stone. Do Amore Diamonds lists it at €1,671. 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
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628407192
Dimensions7.87 × 5.32 × 3.63 mm
L/W Ratio1.48
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
7.87 mm5.32 mm1.28 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628407192
Side View
Table 65.0%Crown 42.8°Girdle: MediumPavilion 35.6°Culet: NoneDepth 68.2%

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: €1,671 EUR|Low: €139 EUR|High: €1,671 EUR|Avg: €632 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
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Retailer 18
October 29, 2026
Retailer 15€173 EUR
Retailer 3€195 EUR
Retailer 12€201 EUR
Retailer 2€300 EUR
Retailer 17€376 EUR
Retailer 4€396 EUR
Retailer 8€405 EUR
Retailer 7€463 EUR
Retailer 9€482 EUR
Retailer 11€582 EUR
Retailer 10€596 EUR
Retailer 13€695 EUR
Retailer 16€765 EUR
Retailer 5€889 EUR
Retailer 6€892 EUR
Retailer 14€958 EUR
Retailer 18€1,177 EUR
Do Amore Diamonds€1,671 EUR

40 data points across 18 retailers

12 retailers€173 EUR to €1,671 EUR

A
Cheapest Retailer
-
€173 EUR
$193 USD
A
Retailer 2
-
€195 EUR
$217 USD
View
Final sale: no returns
A
Retailer 3
-
€201 EUR
$224 USD
View
A
Retailer 4
-
€300 EUR
£263 GBP
View
B+
Retailer 5
-
€376 EUR
$419 USD
View
B+
Retailer 6
-
€582 EUR
A$996 AUD
View
B
Retailer 7
-
€695 EUR
$774 USD
View
B
Retailer 8
-
€765 EUR
$851 USD
View
B
Retailer 9
-
€889 EUR
$990 USD
View
B
Retailer 10
-
€958 EUR
£840 GBP
View
B
Retailer 11
-
€1,177 EUR
$1,310 USD
View
Most Expensive
B
Do Amore Diamonds
27-E781DC176 · Oct 29
€1,671 EUR
$1,860 USD
View
11 more retailers have this diamond
Prices start from €173 EURSave up to €1,498 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
€173 EUR