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Radiant|Lab Grown|IGI

1.28ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG751511531

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

Certificate IGI LG751511531

Diamond specifications and retailer prices

From €184 EUR
$206 USD
As of October 30, 2026
Save €1,579 EUR (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,763 EUR at Do Amore Diamonds · As of October 31, 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 top-tier cut grade and certified by IGI LG751511531 or 751511531. Listed at 18 retailers as of October 30, 2026, with prices from €184 to €1,763, a €1,579 spread on the same certified stone. Do Amore Diamonds lists it at €1,763. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG751511531
Dimensions7.80 × 5.33 × 3.62 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.80 mm5.33 mm1.28 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG751511531
Side View
Table 64.0%Crown 41.6°Girdle: MediumPavilion 34.9°Culet: NoneDepth 67.9%

Caratlytics Score

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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: €1,763 EUR|Low: €136 EUR|High: €1,763 EUR|Avg: €590 EUR
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 19
November 1, 2026
Retailer 10€136 EUR
Retailer 19€184 EUR
Retailer 8€206 EUR
Retailer 14€213 EUR
Retailer 3€228 EUR
Retailer 7€228 EUR
Retailer 12€315 EUR
Retailer 4€336 EUR
Retailer 6€393 EUR
Retailer 13€466 EUR
Retailer 5€516 EUR
Retailer 16€582 EUR
Retailer 15€614 EUR
Retailer 18€736 EUR
Retailer 17€809 EUR
Retailer 11€914 EUR
Retailer 2€1,009 EUR
Retailer 9€1,208 EUR
Do Amore Diamonds€1,763 EUR

35 data points across 19 retailers

18 retailers€184 EUR to €1,763 EUR

A
Cheapest Retailer
-
€184 EUR
$206 USD
A
Retailer 2
-
€206 EUR
$230 USD
View
Final sale: no returns
A
Retailer 3
-
€213 EUR
$238 USD
View
Retailer 4
-
€228 EUR
$255 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€228 EUR
$255 USD
View
A
Retailer 6
-
€315 EUR
£277 GBP
View
A
Retailer 7
-
€336 EUR
$375 USD
View
A
Retailer 8
-
€393 EUR
$439 USD
View
B+
Retailer 9
-
€466 EUR
£410 GBP
View
B+
Retailer 10
-
€516 EUR
$576 USD
View
Retailer 11
-
€582 EUR
$650 USD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
€614 EUR
A$1,056 AUD
View
B
Retailer 13
-
€736 EUR
$822 USD
View
B
Retailer 14
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€809 EUR
$904 USD
View
B
Retailer 15
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€963 EUR
$1,076 USD
View
B
Retailer 16
-
€1,009 EUR
£888 GBP
View
B
Retailer 17
-
€1,084 EUR
$1,211 USD
View
Most Expensive
B
Do Amore Diamonds
27-164EC14EC · Oct 31
€1,763 EUR
$1,970 USD
View
17 more retailers have this diamond
Prices start from €184 EURSave up to €1,579 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
€184 EUR