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Radiant|Lab Grown|IGI

1.28ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG751511477

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

Certificate IGI LG751511477

Diamond specifications and retailer prices

From €185 EUR
$206 USD
As of October 28, 2026
Save €1,585 EUR (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,770 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 top-tier cut grade and certified by IGI LG751511477 or 751511477. Listed at 19 retailers as of October 28, 2026, with prices from €185 to €1,770, a €1,585 spread on the same certified stone. Do Amore Diamonds lists it at €1,770. 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
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG751511477
Dimensions7.92 × 5.29 × 3.58 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm5.29 mm1.28 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG751511477
Side View
Table 63.0%Crown 42.4°Girdle: MediumPavilion 35.1°Culet: NoneDepth 67.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: €1,770 EUR|Low: €136 EUR|High: €1,770 EUR|Avg: €614 EUR
Do Amore Diamonds
Retailer 2
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Retailer 21
October 29, 2026
Retailer 11€136 EUR
Retailer 20€185 EUR
Retailer 9€207 EUR
Retailer 19€214 EUR
Retailer 8€229 EUR
Retailer 21€229 EUR
Retailer 13€318 EUR
Retailer 4€337 EUR
Retailer 7€394 EUR
Retailer 2€471 EUR
Retailer 5€518 EUR
Retailer 17€584 EUR
Retailer 15€617 EUR
Retailer 18€739 EUR
Retailer 6€812 EUR
Retailer 3€863 EUR
Retailer 12€967 EUR
Retailer 16€1,019 EUR
Retailer 10€1,033 EUR
Retailer 14€1,088 EUR
Do Amore Diamonds€1,770 EUR

32 data points across 21 retailers

19 retailers€185 EUR to €1,770 EUR

A
Cheapest Retailer
-
€185 EUR
$206 USD
A
Retailer 2
-
€207 EUR
$230 USD
View
Final sale: no returns
A
Retailer 3
-
€214 EUR
$238 USD
View
A
Retailer 4
-
€229 EUR
$255 USD
View
A
Retailer 5
-
€229 EUR
$255 USD
View
A
Retailer 6
-
€318 EUR
£279 GBP
View
A
Retailer 7
-
€337 EUR
$375 USD
View
A
Retailer 8
-
€394 EUR
$439 USD
View
B+
Retailer 9
-
€471 EUR
£412 GBP
View
B+
Retailer 10
-
€518 EUR
$576 USD
View
B+
Retailer 11
-
€584 EUR
$650 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
€617 EUR
A$1,056 AUD
View
B
Retailer 13
-
€739 EUR
$822 USD
View
B
Retailer 14
-
€812 EUR
$904 USD
View
B
Retailer 15
-
€863 EUR
CA$1,334 CAD
View
B
Retailer 16
-
€967 EUR
$1,076 USD
View
B
Retailer 17
-
€1,019 EUR
£893 GBP
View
B
Retailer 18
-
€1,088 EUR
$1,211 USD
View
Most Expensive
B
Do Amore Diamonds
27-09595FAC4 · Oct 29
€1,770 EUR
$1,970 USD
View
18 more retailers have this diamond
Prices start from €185 EURSave up to €1,585 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
€185 EUR