Oval|Lab Grown|IGI

1.28ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG705550393

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG705550393

Diamond specifications and retailer prices

From €391 EUR
$435 USD
As of October 30, 2026
Save €732 EUR (65%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,123 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.28ct lab-grown oval diamond

This 1.28ct lab-grown oval 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 LG705550393 or 705550393. Listed at 7 retailers as of October 29, 2026, with prices from €391 to €1,123, a €732 spread on the same certified stone. Brilliant Earth lists it at €1,123. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG705550393
Dimensions9.06 × 6.11 × 3.68 mm
L/W Ratio1.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.06 mm6.11 mm1.28 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG705550393
Side View
Table 61.0%Crown 34.3°Girdle: THN-STKPavilion 40.5°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €414 EUR|Low: €381 EUR|High: €1,067 EUR|Avg: €579 EUR|+5.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 7€391 EUR
Retailer 1€414 EUR
Retailer 4€419 EUR
Retailer 5€432 EUR
Retailer 3€553 EUR
Retailer 6€773 EUR
Retailer 2€1,060 EUR

18 data points across 7 retailers

7 retailers€391 EUR to €1,123 EUR

A
Cheapest Retailer
-
€391 EUR
$435 USD
A
Retailer 2
-
€414 EUR
£363 GBP
View
A
Retailer 3
-
€432 EUR
$481 USD
View
B+
Retailer 4
-
€553 EUR
$615 USD
View
B
Retailer 5
-
€773 EUR
$860 USD
View
B
Retailer 6
-
€1,060 EUR
£929 GBP
View
Most Expensive
B
Brilliant Earth
21757189A · Oct 29
€1,123 EUR
$1,250 USD
View
6 more retailers have this diamond
Prices start from €391 EURSave up to €732 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 Oval
€391 EUR