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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 €389 EUR
$435 USD
As of October 30, 2026
Save €729 EUR (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €1,119 EUR at Brilliant Earth · As of October 31, 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 8 retailers as of October 30, 2026, with prices from €389 to €1,119, a €729 spread on the same certified stone. Brilliant Earth lists it at €1,119. 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
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €412 EUR|Low: €380 EUR|High: €1,063 EUR|Avg: €577 EUR|+5.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 7€389 EUR
Retailer 2€399 EUR
Retailer 1€412 EUR
Retailer 5€431 EUR
Retailer 4€550 EUR
Retailer 6€770 EUR
Retailer 3€1,056 EUR

20 data points across 7 retailers

8 retailers€389 EUR to €1,119 EUR

A
Cheapest Retailer
-
€389 EUR
$435 USD
A
Retailer 2
-
€399 EUR
View
A
Retailer 3
-
€412 EUR
£363 GBP
View
A
Retailer 4
-
€431 EUR
$481 USD
View
B+
Retailer 5
-
€550 EUR
$615 USD
View
B
Retailer 6
-
€770 EUR
$860 USD
View
B
Retailer 7
-
€1,056 EUR
£929 GBP
View
Most Expensive
B
Brilliant Earth
21757189A · Oct 31
€1,119 EUR
$1,250 USD
View
7 more retailers have this diamond
Prices start from €389 EURSave up to €729 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
€389 EUR