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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 €185 EUR
$206 USD
As of October 27, 2026
Save €1,585 EUR (90%) vs most expensive(unlock to see where)
17 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 LG751511531 or 751511531. Listed at 17 retailers as of October 27, 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
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 27
Current: €1,770 EUR|Low: €136 EUR|High: €1,770 EUR|Avg: €638 EUR
Do Amore Diamonds
Retailer 2
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Retailer 20
October 29, 2026
Retailer 9€136 EUR
Retailer 19€185 EUR
Retailer 7€207 EUR
Retailer 6€229 EUR
Retailer 20€229 EUR
Retailer 13€318 EUR
Retailer 3€337 EUR
Retailer 5€394 EUR
Retailer 2€471 EUR
Retailer 4€518 EUR
Retailer 16€584 EUR
Retailer 14€617 EUR
Retailer 18€739 EUR
Retailer 17€812 EUR
Retailer 10€917 EUR
Retailer 11€967 EUR
Retailer 15€1,014 EUR
Retailer 12€1,088 EUR
Retailer 8€1,213 EUR
Do Amore Diamonds€1,770 EUR

32 data points across 20 retailers

17 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
-
€229 EUR
$255 USD
View
A
Retailer 4
-
€229 EUR
$255 USD
View
A
Retailer 5
-
€318 EUR
£279 GBP
View
A
Retailer 6
-
€337 EUR
$375 USD
View
A
Retailer 7
-
€394 EUR
$439 USD
View
B+
Retailer 8
-
€471 EUR
£412 GBP
View
B+
Retailer 9
-
€518 EUR
$576 USD
View
B+
Retailer 10
-
€584 EUR
$650 USD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
€617 EUR
A$1,056 AUD
View
B
Retailer 12
-
€739 EUR
$822 USD
View
B
Retailer 13
-
€812 EUR
$904 USD
View
B
Retailer 14
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€967 EUR
$1,076 USD
View
B
Retailer 15
-
€1,014 EUR
£889 GBP
View
B
Retailer 16
-
€1,088 EUR
$1,211 USD
View
Most Expensive
B
Do Amore Diamonds
27-164EC14EC · Oct 29
€1,770 EUR
$1,970 USD
View
16 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