Oval|Lab Grown|IGI

1.28ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG815677214

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG815677214

Diamond specifications and retailer prices

From €231 EUR
$258 USD
As of October 31, 2026
Save €1,559 EUR (87%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,790 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815677214 or 815677214. Listed at 20 retailers as of October 29, 2026, with prices from €231 to €1,790, a €1,559 spread on the same certified stone. Brilliant Earth lists it at €1,790. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815677214
Dimensions8.67 × 5.99 × 3.76 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.67 mm5.99 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815677214
Side View
Table 62.0%Crown 37.9°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 62.8%

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 31
Current: €1,790 EUR|Low: €171 EUR|High: €1,915 EUR|Avg: €734 EUR|-6.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 5€231 EUR
Retailer 7€267 EUR
Retailer 15€360 EUR
Retailer 13€426 EUR
Retailer 10€440 EUR
Retailer 2€479 EUR
Retailer 3€557 EUR
Retailer 11€625 EUR
Retailer 8€666 EUR
Retailer 14€771 EUR
Retailer 4€871 EUR
Retailer 9€1,032 EUR
Retailer 6€1,156 EUR
Retailer 12€1,320 EUR
Brilliant Earth€1,790 EUR

35 data points across 15 retailers

20 retailers€231 EUR to €1,790 EUR

Retailer 1
-
€207 EUR
$231 USD
Price last confirmed 21 days ago
Retailer 2
-
€215 EUR
$240 USD
View
Price last confirmed 38 days ago
A
Retailer 3
-
€231 EUR
$258 USD
View
Final sale: no returns
Retailer 4
-
€250 EUR
$279 USD
View
Price last confirmed 37 days ago
Retailer 5
-
€256 EUR
$286 USD
View
Price last confirmed 19 days ago
Retailer 6
-
€256 EUR
$286 USD
View
Price last confirmed 29 days ago
Retailer 7
-
€263 EUR
$294 USD
View
Price last confirmed 36 days ago
A
Retailer 8
-
€360 EUR
$402 USD
View
A
Retailer 9
-
€440 EUR
ZAR 7,945 ZAR
View
A
Retailer 10
-
€479 EUR
£421 GBP
View
A
Retailer 11
-
€557 EUR
$622 USD
View
B+
Retailer 12
-
€625 EUR
A$1,074 AUD
View
B+
Retailer 13
-
€666 EUR
$744 USD
View
B+
Retailer 14
-
€771 EUR
$861 USD
View
Retailer 15
-
€823 EUR
$920 USD
View
Price last confirmed 24 days ago
B+
Retailer 16
-
€871 EUR
$973 USD
View
B+
Retailer 17
-
€1,032 EUR
£908 GBP
View
B
Retailer 18
-
€1,156 EUR
$1,292 USD
View
Retailer 19
-
€1,320 EUR
$1,475 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21017707A · Oct 29
€1,790 EUR
$2,000 USD
View
19 more retailers have this diamond
Prices start from €231 EURSave up to €1,559 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
€231 EUR